ORCID Profile
0000-0002-6971-2634
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Photonics optoelectronics and optical communications | Functional Materials | Physical Chemistry of Materials | Functional materials | Nanomaterials | Materials Engineering | Electronic and Magnetic Properties of Condensed Matter; Superconductivity | Atomic molecular and optical physics | Materials engineering | Condensed Matter Physics | Transition Metal Chemistry | Inorganic Chemistry | Nanomaterials | Nanotechnology | Nanoscale Characterisation | Nanofabrication growth and self assembly | Astronomical instrumentation | Nonlinear optics and spectroscopy | Nanoscale characterisation | Compound Semiconductors | Nanotechnology | Nanoelectronics
ANZSRC Socio-Economic Objective (SEO)
Expanding Knowledge in Technology | Expanding Knowledge in the Physical Sciences | Energy Conservation and Efficiency not elsewhere classified | Management of Greenhouse Gas Emissions from Information and Communication Services | Solar-Photovoltaic Energy | Expanding Knowledge in the Chemical Sciences | Scientific Instruments | Expanding Knowledge in Engineering | Integrated Circuits and Devices |
Related Links
Publications
Recent advances in the fabrication of 2D metal oxides
Publisher: Elsevier BV
Date: 2022
A liquid metal reaction environment for the room-temperature synthesis of atomically thin metal oxides
Publisher: American Association for the Advancement of Science (AAAS)
Date: 20-10-2017
Abstract: Two-dimensional (2D) materials have a wide variety of potential applications in the electronics industry. However, certain compositions of 2D materials are difficult to obtain owing to the challenges in exfoliating thin sheets from bulk crystals. Zavabeti et al. exploited liquid metals to synthesize 2D Ga 2 O 3 , HfO 2 , Gd 2 O 3 , and Al 2 O 3 . The 2D sheets appear as a surface layer in gallium-based liquid metals after the Hf, Gd, or Al is dissolved into the bulk alloy. The 2D oxide that appears on the surface is the oxide with the lowest energy, suggesting that it should be possible to make other 2D oxides by using the same process. Science , this issue p. 332
2D Palladium Sulphate for Visible‐Light‐Driven Optoelectronic Reversible Gas Sensing at Room Temperature
Publisher: Wiley
Date: 08-12-2021
Abstract: 2D metal sulphides (MSs) have attracted enormous amounts of attention in developing high‐performance gas sensors. 2D noble metal sulphides and their derivatives, however, have been less studied due to their predominant nonlayered crystal structures for inefficient exfoliation, despite their surface and peculiar optoelectronic properties. Herein, we successfully synthesize 2D palladium sulphate (PdSO 4 ) from palladium sulphide (PdS) bulk crystals by liquid‐phase exfoliation, in which the presence of oxygen species in the exfoliation solvent plays a key role in the sulphate transformation. Ultrathin 2D PdSO 4 planar nanosheets, with thicknesses of ≈3 nm and submicrometer lateral dimensions, exhibit a broad absorption across the visible spectrum, a narrow bandgap of ≈1.35 eV, and a nanosecond scaled long exciton lifetime, which are all suitable for the visible‐light‐driven optoelectronic gas sensing applications. The 2D PdSO 4 ‐based sensor demonstrates a reversible, selective, and sensitive response toward ppb‐leveled NO 2 gas at blue light irradiation, featuring a response factor of ≈3.28% for 160 ppb NO 2 , a low limit of detection of 1.84 ppb, and a 3 times response factor enhancement over other gases. Herein, the possibility of realizing 2D ultrathin noble metal sulphide compounds from their nonlayered crystal structures and strong potentials in developing high‐performance chemical sensors is explored.
Synthesis of two-dimensional hematite and iron phosphide for hydrogen evolution
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9TA11945K
Abstract: Ultrathin α-Fe 2 O 3 and FeP are synthesized by engineering the lattice matching degree between water-soluble template and target material for hydrogen evolution reaction.
Plasmonic metal oxides and their biological applications
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2MH00263A
Abstract: Doped metal oxide nanostructures with tunable plasmonic features enable a variety of high-performance biological applications.
Free-standing ultra-thin Janus indium oxysulfide for ultrasensitive visible-light-driven optoelectronic chemical sensing
Publisher: Elsevier BV
Date: 04-2021
Graphene oxide additive-driven widening of microporous biochar for promoting water pollutant capturing
Publisher: Elsevier BV
Date: 03-2023
Engineering two-dimensional metal oxides and chalcogenides for enhanced electro- and photocatalysis
Publisher: Elsevier BV
Date: 06-2021
Self-Circulating Adsorption–Desorption Structure of Non-Noble High-Entropy Alloy Electrocatalyst Facilitates Efficient Water Splitting
Publisher: American Chemical Society (ACS)
Date: 24-02-2023
Hexagonal metal oxide monolayers derived from the metal–gas interface
Publisher: Springer Science and Business Media LLC
Date: 18-01-2021
Ultrathin 2D silver sulphate nanosheets for visible-light-driven NO2 sensing at room temperature
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2TC03045D
Abstract: 2D Ag 2 SO 4 nanosheets have been delaminated from bulk Ag 2 S using a two-step combined exfoliation method. Upon blue light irradiation, the 2D Ag 2 SO 4 -based sensor exhibits high-performance responses toward low-concentrated NO 2 gas at room temperature.
A Tunable Multi-Port Fano Resonator Based on Mach-Zehnder Interferometers Coupling with Micro-Ring Resonators
Publisher: MDPI AG
Date: 05-10-2022
Abstract: Fano resonance has an asymmetric and sharp resonance peak near the resonance wavelength, which can effectively enhance the all-optical signal processing capability and realize silicon photonic switches, sensors, and modulators. In this paper, a silicon photonic Fano resonator with Mach-Zehnder interferometer (MZI) structure coupling with micro-ring resonators (MRR) is designed. Two MRRs with different quality factors are coupled with two arms of an MZI, and the coupling zone is composed of two half-ring waveguides. Based on the transfer matrix method, the intrinsic and modulated transfer characteristics of the component are analyzed. By adjusting the optical litude and phase of MZIs and tuning the resonance wavelength of two MRRs, Fano resonance spectra are simulated at four output ports with the highest extinction ratios of 56.19 dB and maximum slope rates at 2175.74 dB/nm, and the transmission spectra of Fano resonance at the four output ports are experimentally demonstrated. As the four Fano resonance ports of the designed component have different performances, they can be used for various functions simultaneously. The advantage of the proposed scheme is the improvement of the multiplexing capacity and simultaneous utilization of the muti-port for the Fano resonator. Our four-port Fano resonator can be employed in the fields of optical switching, optical computing, and optical interconnect in the future.
Liquid-tin-printed two-dimensional SnO for optoelectronic NO2 gas sensing at room temperature
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D3TC02762G
Lattice Matching Engineering Driven Growth of Large‐Area 2D CeO2 for High‐Performance Photodetection
Publisher: Wiley
Date: 29-10-2023
The intercalation of nanoscale lattices into micro-sized graphene oxide sheets for enhancing pressure-driven desalination performances
Publisher: Elsevier BV
Date: 03-2021
Utilizing internal resonant scattering to improve photoluminescence energy outcoupling of CsPbBr3/Cs4PbBr6 perovskite phosphor
Publisher: Elsevier BV
Date: 11-2023
Facile PEG-based isolation and classification of cancer extracellular vesicles and particles with label-free surface-enhanced Raman scattering and pattern recognition algorithm
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D0AN02257H
Abstract: Extracellular vesicles and particles (EVPs), which contain the same surface proteins as their mother cells, are promising biomarkers for cancer liquid biopsy.
MOF-Derived Zero-Dimensional Cu3P Nanoparticles Embedded in Carbon Matrices for Electrochemical Hydrogen Evolution
Publisher: American Chemical Society (ACS)
Date: 25-07-2022
Plasmonic metal-organic framework nanocomposites enabled by degenerately doped molybdenum oxides
Publisher: Elsevier BV
Date: 04-2021
Highly accurate and label-free discrimination of single cancer cell using a plasmonic oxide-based nanoprobe
Publisher: Elsevier BV
Date: 02-2022
DOI: 10.1016/J.BIOS.2021.113814
Abstract: The detection of cancer cells at the single-cell level enables many novel functionalities such as next-generation cancer prognosis and accurate cellular analysis. While surface-enhanced Raman spectroscopy (SERS) has been widely considered as an effective tool in a low-cost and label-free manner, however, it is challenging to discriminate single cancer cells with an accuracy above 90% mainly due to the poor biocompatibility of the noble-metal-based SERS agents. Here, we report a dual-functional nanoprobe based on dopant-driven plasmonic oxides, demonstrating a maximum accuracy above 90% in distinguishing single THP-1 cell from peripheral blood mononuclear cell (PBMC) and human embryonic kidney (HEK) 293 from human macrophage cell line U937 based on their SERS patterns. Furthermore, this nanoprobe can be triggered by the bio-redox response from in idual cells towards stimuli, empowering another complementary colorimetric cell detection, approximately achieving the unity discrimination accuracy at a single-cell level. Our strategy could potentially enable the future accurate and low-cost detection of cancer cells from mixed cell s les.
Edge-oriented and steerable hyperbolic polaritons in anisotropic van der Waals nanocavities
Publisher: Springer Science and Business Media LLC
Date: 30-11-2020
DOI: 10.1038/S41467-020-19913-4
Abstract: Highly confined and low-loss polaritons are known to propagate isotropically over graphene and hexagonal boron nitride in the plane, leaving limited degrees of freedom in manipulating light at the nanoscale. The emerging family of biaxial van der Waals materials, such as α-MoO 3 and V 2 O 5 , support exotic polariton propagation, as their auxiliary optical axis is in the plane. Here, exploiting this strong in-plane anisotropy, we report edge-tailored hyperbolic polaritons in patterned α-MoO 3 nanocavities via real-space nanoimaging. We find that the angle between the edge orientation and the crystallographic direction significantly affects the optical response, and can serve as a key tuning parameter in tailoring the polaritonic patterns. By shaping α-MoO 3 nanocavities with different geometries, we observe edge-oriented and steerable hyperbolic polaritons as well as forbidden zones where the polaritons detour. The lifetime and figure of merit of the hyperbolic polaritons can be regulated by the edge aspect ratio of nanocavity.
Ion-Exchange Strategy for Metal-Organic Frameworks-Derived Composites with Tunable Hollow Porous and Microwave Absorption.
Publisher: Wiley
Date: 08-06-2022
Abstract: Hollow metal-organic frameworks (MOFs) with careful phase engineering have been considered to be suitable candidates for high-performance microwave absorbents. However, there has been a lack of direct methods tailored to MOFs in this area. Here, a facile and safe Ni
Reversible Room Temperature H2 Gas Sensing Based on Self-Assembled Cobalt Oxysulfide
Publisher: MDPI AG
Date: 31-12-2021
DOI: 10.3390/S22010303
Abstract: Reversible H2 gas sensing at room temperature has been highly desirable given the booming of the Internet of Things (IoT), zero-emission vehicles, and fuel cell technologies. Conventional metal oxide-based semiconducting gas sensors have been considered as suitable candidates given their low-cost, high sensitivity, and long stability. However, the dominant sensing mechanism is based on the chemisorption of gas molecules which requires elevated temperatures to activate the catalytic reaction of target gas molecules with chemisorbed O, leaving the drawbacks of high-power consumption and poor selectivity. In this work, we introduce an alternative candidate of cobalt oxysulfide derived from the calcination of self-assembled cobalt sulfide micro-cages. It is found that the majority of S atoms are replaced by O in cobalt oxysulfide, transforming the crystal structure to tetragonal coordination and slightly expanding the optical bandgap energy. The H2 gas sensing performances of cobalt oxysulfide are fully reversible at room temperature, demonstrating peculiar p-type gas responses with a magnitude of 15% for 1% H2 and a high degree of selectivity over CH4, NO2, and CO2. Such excellent performances are possibly ascribed to the physisorption dominating the gas–matter interaction. This work demonstrates the great potentials of transition metal oxysulfide compounds for room-temperature fully reversible gas sensing.
Tunable Optical Properties of 2D Materials and Their Applications
Publisher: Wiley
Date: 18-11-2020
Nitrogen-mediated effects of elevated CO2 on intra-aggregate soil pore structure
Publisher: Wiley
Date: 11-10-2017
DOI: 10.1111/GCB.13496
Atomically Thin Ga2 S3 from Skin of Liquid Metals for Electrical, Optical, and Sensing Applications
Publisher: American Chemical Society (ACS)
Date: 28-06-2019
Coupling Fe3O4/Fe1-xS@Carbon with carbon-coated MoS2 nanosheets as a superior anode for sodium-ion batteries
Publisher: Elsevier BV
Date: 2022
Piezoelectric Responses of Mechanically Exfoliated Two-Dimensional SnS2 Nanosheets
Publisher: American Chemical Society (ACS)
Date: 03-11-2020
Machine Learning‐Enabled Smart Sensor Systems
Publisher: Wiley
Date: 14-07-2020
Micro/nanoarrays and their applications in flexible sensors: A review
Publisher: Elsevier BV
Date: 08-2022
Ingestible Sensors
Publisher: American Chemical Society (ACS)
Date: 14-03-2017
DOI: 10.1021/ACSSENSORS.7B00045
Abstract: Ingestible sensing capsules are fast emerging as a critical technology that has the ability to greatly impact health, nutrition, and clinical areas. These ingestible devices are noninvasive and hence are very attractive for customers. With widespread access to smart phones connected to the Internet, the data produced by this technology can be readily seen and reviewed online, and accessed by both users and physicians. The outputs provide invaluable information to reveal the state of gut health and disorders as well as the impact of food, medical supplements, and environmental changes on the gastrointestinal tract. One unique feature of such ingestible sensors is that their passage through the gut lumen gives them access to each in idual organ of the gastrointestinal tract. Therefore, ingestible sensors offer the ability to gather images and monitor luminal fluid and the contents of each gut segment including electrolytes, enzymes, metabolites, hormones, and the microbial communities. As such, an incredible wealth of knowledge regarding the functionality and state of health of in iduals through key gut biomarkers can be obtained. This Review presents an overview of the gut structure and discusses current and emerging digestible technologies. The text is an effort to provide a comprehensive overview of ingestible sensing capsules, from both a body physiology point of view as well as a technological view, and to detail the potential information that they can generate.
Printable Single-Unit-Cell-Thick Transparent Zinc-Doped Indium Oxides with Efficient Electron Transport Properties
Publisher: American Chemical Society (ACS)
Date: 26-01-0001
Complex Refractive Index Extraction for Ultrathin Molybdenum Oxides Using Micro‐Photonic Integrated Circuit Chips
Publisher: Wiley
Date: 14-05-2023
Abstract: The emerging 2D nanomaterials with unique optical properties are promising for next‐generation miniatured on‐chip devices. One of the prerequisites is to precisely measure their optical parameters during their implementation. However, the inherent features of 2D layers, including limited lateral dimensions and ultra‐small thicknesses, are not favorable to the conventional characterization techniques applied in the bulk system, especially for optical complex refractive indices measurement. Here, this work proposes a silicon photonics‐enabled platform to evaluate the complex refractive indices of ultrathin 2D materials in a facile and reliable manner. Ultrathin molybdenum oxides (MoO x ) with multiple stoichiometric states are selected as the target 2D material to provide sufficient complexity of the system for investigation. Upon the integration of ultrathin MoO x , the silicon photonic chip, in the form of a Mach‐Zehnder interferometer, exhibits wavelength shifts which are used for calculating the optical complex refractive indices. Compared with the theoretical calculation, the deviation is as low as 1% and generally less than 5%. This work demonstrates a highly accurate and reliable approach for measuring the complex refractive index of 2D films, possibly assisting future advances in 2D materials‐enabled optical and photonic applications.
A high-performance visible-light-driven all-optical switch enabled by ultra-thin gallium sulfide
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D0TC05676F
Abstract: A 2D Ga 2 S 3 enabled all-optical switch is realized upon a silicon-based on-chip platform. With the unique optical properties of the 2D nanoflakes, the device exhibits excellent switching behaviors driven by visible light at a low power density.
GaAs Linear Polarizer with a High Extinction Ratio for Extended Short-Wave Infrared Detection
Publisher: MDPI AG
Date: 24-04-2023
DOI: 10.3390/PHOTONICS10050489
Abstract: Metasurfaces have shown an unprecedented ability to modulate electromagnetic waves at subwavelength scales, especially polarized optical metasurfaces, applied for imaging, navigation and detection. In this work, a kind of efficient all-dielectric diatomic metasurface for polarization and phase changing, consisting of a pair of GaAs nanopillar and nanocube, is proposed. By adjusting the unit cell structural parameters, the polarization state can be controlled and adjusted at the short-wave infrared (SWIR) band (1~3 μm). At the wavelength of 2125 nm, the maximum transmission efficiency, the extinction ratio and the linear polarization degree can reach 93.76%, 40.99 dB and 0.99, respectively. Overall, this all-dielectric diatomic metasurface has broad application potential in extended SWIR polarization detection.
Vacancy-modified g-C3N4 and its photocatalytic applications
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2QM00604A
Abstract: As an emerging semiconductor-based catalyst, g-C 3 N 4 has attracted significant attention for visible light-driven photocatalytic energy conversion, synthesis of chemicals, and environmental remediation.
Maximum piezoelectricity in a few unit-cell thick planar ZnO – A liquid metal-based synthesis approach
Publisher: Elsevier BV
Date: 04-2021
CoNi Layered Double Hydroxide Nanosheets Vertically Grown on Electrodeposited Dendritic Copper Substrates for Supercapacitor Applications
Publisher: American Chemical Society (ACS)
Date: 07-02-2022
Self-Assembly of Ultrathin Nickel Oxysulfide for Reversible Gas Sensing at Room Temperature
Publisher: MDPI AG
Date: 17-09-2022
DOI: 10.3390/CHEMOSENSORS10090372
Abstract: Two-dimensional (2D) or ultrathin metal sulfides have been emerging candidates in developing high-performance gas sensors given their physisorption-dominated interaction with target gas molecules. Their oxysulfide derivatives, as intermediates between oxides and sulfides, were recently demonstrated to have fully reversible responses at room temperature and long-term device stability. In this work, we explored the micro-scale self-assembly of ultrathin nickel oxysulfide through the calcination of nickel sulfide in a controllable air environment. The thermal treatment resulted in the replacement of most S atoms in the Ni-S frameworks by O atoms, leading to the crystal phase transition from original hexagonal to orthorhombic coordination. In addition, the corresponding bandgap was slightly expanded by ~0.15 eV compared to that of pure nickel sulfide. Nickel oxysulfide exhibited a fully reversible response towards H2 at room temperature for concentrations ranging from 0.25% and 1%, without the implementation of external stimuli such as light excitation and voltage biasing. The maximum response factor of ~3.24% was obtained at 1% H2, which is at least one order larger than those of common industrial gases including CH4, CO2, and NO2. Such an impressive response was also highly stable for at least four consecutive cycles. This work further demonstrates the great potential of metal oxysulfides in room-temperature gas sensing.
Recent progress in intrinsic and stimulated room-temperature gas sensors enabled by low-dimensional materials
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D0TC04196C
Abstract: Room temperature (RT) gas sensors based on low-dimensional materials that mainly included three strategies. (1) Nanostructures optimisation (2) driven by voltage biasing (3) assisting with light illumination.
Two-Dimensional Materials in Large-Areas: Synthesis, Properties and Applications
Publisher: Springer Science and Business Media LLC
Date: 28-02-2020
DOI: 10.1007/S40820-020-0402-X
Abstract: Large-area and high-quality two-dimensional crystals are the basis for the development of the next-generation electronic and optical devices. The synthesis of two-dimensional materials in wafer scales is the first critical step for future technology uptake by the industries however, currently presented as a significant challenge. Substantial efforts have been devoted to producing atomically thin two-dimensional materials with large lateral dimensions, controllable and uniform thicknesses, large crystal domains and minimum defects. In this review, recent advances in synthetic routes to obtain high-quality two-dimensional crystals with lateral sizes exceeding a hundred micrometres are outlined. Applications of the achieved large-area two-dimensional crystals in electronics and optoelectronics are summarised, and advantages and disadvantages of each approach considering ease of the synthesis, defects, grain sizes and uniformity are discussed.
Engineering two-dimensional metal oxides via surface functionalization for biological applications
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9TB02423A
Abstract: Schematic illustration of 2D MO nanosheets for applications in biosystems.
Gallium-Based Liquid Metal Particles for Therapeutics
Publisher: Elsevier BV
Date: 06-2021
Bioinspired polydopamine-sheathed carbon nanotubes as environmentally safe, efficient, and durable adsorbents for organic pollutant capturing via hydrogen bonding
Publisher: Elsevier BV
Date: 10-2023
A room temperature all-optical sensor based on two-dimensional SnS2 for highly sensitive and reversible NO2 sensing
Publisher: Elsevier BV
Date: 03-2021
DOI: 10.1016/J.JHAZMAT.2021.127813
Abstract: Fiber-optic gas sensors have been considered a low-cost, effective, and robust approach for monitoring nitrogen dioxide (NO
A Single‐Step‐Grown Semiconducting vdW Heterostructure of Tungsten Oxide–Sulfide for High‐Performance Photodetection
Publisher: Wiley
Date: 03-08-2022
Abstract: Ultrathin semiconducting van der Waals (vdW) heterostructures based on transition metal dichalcogenides (TMDs) play a critical role in developing next‐generation electronic and optoelectronic devices. The replacement of one component of the heterostructure by transition metal oxides (TMOs) certainly brings in numerous benefits including long‐term stability and novel functionalities. However, the single‐step chemical‐vapor deposition growth of TMOs/TMDs vdW heterostructures, as a highly desired approach for large‐scale fabrication and practical implementation, is challenging due to contradictory growth atmospheres of TMOs and TMDs. Here, the single‐step growth of an ultrathin WO 3–x /WS 2 vdW heterostructure based on the quantity‐driven discrepant interaction between S and the precursor, in which S induces sulfidation to produce WS 2 in the S‐rich phase and is changed to the reduction role to obtain sub‐stoichiometric WO 3–x in the S‐deficient phase is realized. Both WO 3–x and WS 2 exhibit semiconducting properties with a favorable type‐II band alignment. A wide response across the entire visible spectrum with a large photo‐responsivity of 4375 A W −1 , a detectivity of 5.47 × 10 11 Jones, and sub‐ms switching kinetics at 405 nm is achieved without gating bias, which is significantly improved over other reported ultrathin vdW heterostructures. This study demonstrates the possibility of single‐step‐growing TMOs/TMDs vdW heterostructures and their strong potential in high‐performance optoelectronic devices.
Recent advances on hybrid integration of 2D materials on integrated optics platforms
Publisher: Walter de Gruyter GmbH
Date: 17-04-2020
Abstract: The burgeoning research into two-dimensional (2D) materials opens a door to novel photonic and optoelectronic devices utilizing their fascinating electronic and photonic properties in thin-layered architectures. The hybrid integration of 2D materials onto integrated optics platforms thus becomes a potential solution to tackle the bottlenecks of traditional optoelectronic devices. In this paper, we present the recent advances of hybrid integration of a wide range of 2D materials on integrated optics platforms for developing high-performance photodetectors, modulators, lasers, and nonlinear optics. Such hybrid integration enables fully functional on-chip devices to be readily accessible researchers and technology developers, becoming a potential candidate for next-generation photonics and optoelectronics industries.
3D Visible‐Light‐Driven Plasmonic Oxide Frameworks Deviated from Liquid Metal Nanodroplets
Publisher: Wiley
Date: 27-09-2021
Abstract: Eutectic gallium‐indium (EGaIn) liquid metal droplets have been considered as a suitable platform for producing customized 3D composites with functional nanomaterials owing to their soft and highly reductive surface. Herein, the synthesis of a 3D plasmonic oxide framework (POF) is reported by incorporating the ultra‐thin angstrom‐scale‐porous hexagonal molybdenum oxide ( h ‐MoO 3 ) onto the spherical EGaIn nanodroplets through ultrasonication. Simultaneously, a large number of oxygen vacancies form in h ‐MoO 3 , boosting its free charge carrier concentration and therefore generating a broad surface plasmon resonance across the whole visible light spectrum. The plasmonic chemical sensing properties of the POF is investigated by the surface‐enhanced Raman scattering detection of rhodamine 6G (R6G) at 532 nm, in which the minimum detectable concentration is 10 −8 m and the enhancement factor reached up to 6.14 × 10 6 . The extended optical absorption of the POF also allowed the efficient degradation of the R6G dye under the excitation of ultraviolet‐filtered simulated solar light. Furthermore, the POF exhibits remarkable photocurrent responses towards the entire visible light region with the maximum response of ≈ 1588 A W −1 at 455 nm. This work demonstrates the great potential of the liquid metal‐based POFs for high‐performance sensing, catalytic, and optoelectronic devices.
Toward 200 Lumens per Watt of Quantum-Dot White-Light-Emitting Diodes by Reducing Reabsorption Loss
Publisher: American Chemical Society (ACS)
Date: 23-12-2020
Deciphering the Role of Quaternary N in O2 Reduction over Controlled N-Doped Carbon Catalysts
Publisher: American Chemical Society (ACS)
Date: 16-01-2020
2D Plasmonic Tungsten Oxide Enabled Ultrasensitive Fiber Optics Gas Sensor
Publisher: Wiley
Date: 02-10-2019
A Room Temperature High‐Performance Visible‐Light‐Assisted NO2 Gas Sensor Based on Ultrathin Zinc Oxysulfide
Publisher: Wiley
Date: 15-10-2023
Ordered-vacancy-enabled indium sulphide printed in wafer-scale with enhanced electron mobility
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9MH01365B
Abstract: The unique and long-range ordered-vacancy structure in wafer-scale grown single-unit-cell-thick In 2 S 3 facilitates excellent electronic performance.
An Ultrasensitive Silicon Photonic Ion Sensor Enabled by 2D Plasmonic Molybdenum Oxide
Publisher: Wiley
Date: 24-01-2019
Abstract: Silicon photonics has demonstrated great potential in ultrasensitive biochemical sensing. However, it is challenging for such sensors to detect small ions which are also of great importance in many biochemical processes. A silicon photonic ion sensor enabled by an ionic dopant-driven plasmonic material is introduced here. The sensor consists of a microring resonator (MRR) coupled with a 2D restacked layer of near-infrared plasmonic molybdenum oxide. When the 2D plasmonic layer interacts with ions from the environment, a strong change in the refractive index results in a shift in the MRR resonance wavelength and simultaneously the alteration of plasmonic absorption leads to the modulation of MRR transmission power, hence generating dual sensing outputs which is unique to other optical ion sensors. Proof-of-concept via a pH sensing model is demonstrated, showing up to 7 orders improvement in sensitivity per unit area across the range from 1 to 13 compared to those of other optical pH sensors. This platform offers the unique potential for ultrasensitive and robust measurement of changes in ionic environment, generating new modalities for on-chip chemical sensors in the micro/nanoscale.
3D micro-combs self-assembled from 2D N-doped In2S3 for room-temperature reversible NO2 gas sensing
Publisher: Elsevier BV
Date: 03-2022
Atomically thin TiO2 nanosheets synthesized using liquid metal chemistry
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0CC01456G
Abstract: The library of two-dimensional materials is limited since many transition metal compounds are not stratified and can thus not be easily isolated as nanosheets. Liquid metal-based synthesis provides a new approach to overcome this limitation.
Crystal phase-driven copolymerization of CO2 and cyclohexene oxide in Prussian blue analogue nanosheets
Publisher: Elsevier BV
Date: 03-2022
Ordered intracrystalline pores in planar molybdenum oxide for enhanced alkaline hydrogen evolution
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C8TA08330D
Abstract: Planner hexagonal molybdenum oxide as an emerging electrocatalyst for the hydrogen evolution reaction (HER) in alkaline media.
Construction of adsorbents with graphene and its derivatives for wastewater treatment: a review
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2EN00248E
Abstract: A comprehensive and critical overview of graphene-based adsorbents in capturing various water contaminants within the recent five years is presented to drive the rational development of high-performance adsorbents with graphene and its derivatives.
Single-step growth of p-type 1D Se/2D GeSexOy heterostructures for optoelectronic NO2 gas sensing at room temperature
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D2TA06255K
Abstract: One-dimensional (1D)/two-dimensional (2D) heterostructures offer attractive opportunities for developing high-performance gas sensors.
Graphene-assisted construction of electrocatalysts for carbon dioxide reduction
Publisher: Elsevier BV
Date: 12-2021
Green Synthesis of Low-Dimensional Aluminum Oxide Hydroxide and Oxide Using Liquid Metal Reaction Media: Ultrahigh Flux Membranes
Publisher: Wiley
Date: 21-09-2018
Recent advances of atomically thin 2D heterostructures in sensing applications
Publisher: Elsevier BV
Date: 10-2021
Core-shell PPy@TiO2 enable GO membranes with controllable and stable dye desalination properties
Publisher: Elsevier BV
Date: 03-2022
Exciton-Driven Chemical Sensors Based on Excitation-Dependent Photoluminescent Two-Dimensional SnS
Publisher: American Chemical Society (ACS)
Date: 17-10-2019
Abstract: Excitation wavelength-dependent photoluminescence (PL) in two-dimensional (2D) transition-metal chalcogenides enables a strong excitonic interaction for high-performance chemical and biological sensing applications. In this work, we explore the possible candidates in the domain of post-transition-metal chalcogenides. Few-layered 2D p-type tin monosulfide (SnS) nanoflakes with submicrometer lateral dimensions are synthesized from the liquid phase exfoliation of bulk crystals. Excitation wavelength-dependent PL is found, and the excitonic radiative lifetime is more than one order enhanced compared to that of the bulk counterpart because of the quantum confinement effect. Paramagnetic NO
Intercalation of soft PPy polymeric nanoparticles in graphene oxide membrane for enhancing nanofiltration performances
Publisher: Elsevier BV
Date: 10-2021
Angstrom-scale-porous plasmonic molybdenum oxide for ultrasensitive optical chemical sensing
Publisher: Elsevier BV
Date: 12-2021
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Amount: $34,948,820.00
Funder: Australian Research Council
View Funded ActivityLinkage Infrastructure, Equipment And Facilities - Grant ID: LE230100113
Start Date: 2023
End Date: 12-2023
Amount: $970,000.00
Funder: Australian Research Council
View Funded ActivityLinkage Infrastructure, Equipment And Facilities - Grant ID: LE180100030
Start Date: 2018
End Date: 12-2019
Amount: $541,705.00
Funder: Australian Research Council
View Funded ActivityDiscovery Early Career Researcher Award - Grant ID: DE160100715
Start Date: 06-2016
End Date: 12-2019
Amount: $330,000.00
Funder: Australian Research Council
View Funded Activity