ORCID Profile
0000-0001-9834-9849
Current Organisation
Shandong University
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Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9NR04301B
Abstract: The structure, properties of gold nanoclusters and their applications in targeting anti-cancer fields have been reviewed.
Publisher: Wiley
Date: 17-03-2023
Abstract: Photo‐thermal catalytic CO 2 hydrogenation is currently extensively studied as one of the most promising approaches for the conversion of CO 2 into value‐added chemicals under mild conditions however, achieving desirable conversion efficiency and target product selectivity remains challenging. Herein, the fabrication of Ir‐CoO/Al 2 O 3 catalysts derived from Ir/CoAl LDH composites is reported for photo‐thermal CO 2 methanation, which consist of Ir‐CoO ensembles as active centers that are evenly anchored on amorphous Al 2 O 3 nanosheets. A CH 4 production rate of 128.9 mmol g cat⁻ 1 h⁻ 1 is achieved at 250 °C under ambient pressure and visible light irradiation, outperforming most reported metal‐based catalysts. Mechanism studies based on density functional theory (DFT) calculations and numerical simulations reveal that the CoO nanoparticles function as photocatalysts to donate electrons for Ir nanoparticles and meanwhile act as “nanoheaters” to effectively elevate the local temperature around Ir active sites, thus promoting the adsorption, activation, and conversion of reactant molecules. In situ diffuse reflectance infrared Fourier transform spectroscopy (in situ DRIFTS) demonstrates that illumination also efficiently boosts the conversion of formate intermediates. The mechanism of dual functions of photothermal semiconductors as photocatalysts for electron donation and as nano‐heaters for local temperature enhancement provides new insight in the exploration for efficient photo‐thermal catalysts.
Publisher: Elsevier BV
Date: 12-2019
Publisher: American Chemical Society (ACS)
Date: 16-12-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D2TA00933A
Abstract: This work successfully encapsulates Ir nanoparticles of ca. 1.5 nm into UiO-66 as highly active catalysts for photo-thermal catalytic CO 2 methanation under mild conditions.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0TC03750H
Abstract: The sensing mechanisms and effective strategies for enhancing the formaldehyde detection performance of metal oxide semiconductors have been reviewed.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0TA08781E
Abstract: The recent advances in photo-promoted CO 2 hydrogenation over solid catalysts have been reviewed.
Publisher: American Chemical Society (ACS)
Date: 06-09-2023
Publisher: American Chemical Society (ACS)
Date: 21-06-2022
Publisher: MDPI AG
Date: 07-05-2023
DOI: 10.3390/MA16093577
Abstract: Zinc hydroxyfluoride (ZnOHF) is a newly found resistive semiconductor used as a gas-sensing material with excellent selectivity to NO2 because of its unique energy band structure. In this paper, Al3+ doping and UV radiation were used to further improve the gas-sensing performance of ZnOHF. The optimized 0.5 at.% Al-ZnOHF s le exhibits improved sensitivity to 10 ppm NO2 at a lower temperature (100 °C) under UV assistance, as well as a short response/recovery time (35 s/96 s). The gas-sensing mechanism demonstrates that Al3+ doping increases electron concentration and promotes electron transfer of the nanorods by reducing the bandgap of ZnOHF, and the photogenerated electrons and holes with high activity under UV irradiation provide new reaction routes in the gas adsorption and desorption process, effectively promoting the gas-sensing process. The synergistic effect of Al3+ and UV radiation contribute to the enhanced performance of Al-ZnOHF.
Publisher: American Chemical Society (ACS)
Date: 07-10-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0DT01242D
Abstract: Polypyrrole-coated Fe 2 O 3 nanotubes constructed from nanoneedles have been fabricated on nickel foam with excellent performance as anodes for supercapacitors.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9QI01259A
Abstract: Carbon-based materials derived from metal–organic frameworks (MOFs) have drawn increasing research attention for high-performance electromagnetic wave absorption due to their unique microstructure.
Publisher: American Chemical Society (ACS)
Date: 28-05-2021
Publisher: Elsevier BV
Date: 03-2020
Publisher: Wiley
Date: 13-03-2018
Abstract: For the first time, we synthesize solid‐solution alloy nanoparticles of Ir and Cu with a size of ca. 2 nm, despite Ir and Cu being immiscible in the bulk up to their melting over the whole composition range. We performed a systematic characterization on the nature of the Ir x Cu 1− x solid‐solution alloys using powder X‐ray diffraction, scanning transmission electron microscopy coupled with energy‐dispersive X‐ray spectroscopy and X‐ray photoelectron spectroscopy. The results showed that the Ir x Cu 1− x alloys had a face‐centered‐cubic structure charge transfer from Cu to Ir occurred in the alloy nanoparticles, as the core‐level Ir 4f peaks shifted to lower energy region with the increase in Cu content. Furthermore, we observed that the alloying of Ir with Cu enhanced both the electrocatalytic oxygen evolution and oxygen reduction reactions. The enhanced activities could be attributed to the electronic interaction between Ir and Cu arising from the alloying effect at atomic‐level.
Publisher: American Chemical Society (ACS)
Date: 31-08-2017
Abstract: Au nanoparticles with different sizes (10, 20, 30, and 50 nm) were synthesized using a seed-assisted approach and anchored onto Pt/TiO
Publisher: MDPI AG
Date: 19-01-2023
DOI: 10.3390/S23031163
Abstract: Methane (CH4), as the main component of natural gas and coal mine gas, is widely used in daily life and industrial processes and its leakage always causes undesirable misadventures. Thus, the rapid detection of low concentration methane is quite necessary. However, due to its robust chemical stability resulting from the strong tetrahedral-symmetry structure, the methane molecules are usually chemically inert to the sensing layers in detectors, making the rapid and efficient alert a big challenge. In this work, palladium nanoparticles (Pd NPs) embedded indium oxide porous hollow tubes (In2O3 PHTs) were successfully synthesized using Pd@MIL-68 (In) MOFs as precursors. All In2O3-based s les derived from Pd@MIL-68 (In) MOFs inherited the morphology of the precursors and exhibited the feature of hexagonal hollow tubes with porous architecture. The gas-sensing performances to 5000 ppm CH4 were evaluated and it was found that Pd@In2O3-2 gave the best response (Ra/Rg = 23.2) at 370 °C, which was 15.5 times higher than that of pristine-In2O3 sensors. In addition, the sensing materials also showed superior selectivity against interfering gases and a rather short response/recovery time of 7 s/5 s. The enhancement in sensing performances of Pd@In2O3-2 could be attributed to the large surface area, rich porosity, abundant oxygen vacancies and the catalytic function of Pd NPs.
Publisher: American Chemical Society (ACS)
Date: 09-09-2020
Abstract: The bioelectric signal deriving from acetylcholine (ACh) plays an important role in regulating body function. Translating neuronal signals to electrical current peaks is a promising approach to achieve rapid detection of the bioelectric signal, but direct nanodevice-based single-molecule detection of the neurotransmitter is h ered by technology. Herein, we propose a neurotransmitter molecular nanogap device composed of atomically thin black phosphorus (BP) electrodes, which could rapidly distinguish the single distinct electronic peak of ACh at low positive bias from other central neurotransmitters. It is the first time that this unique electronic signal has been found, which originates from its quaternary ammonium group, and it has been experimentally verified in the linear sweep voltammetry (LSV) curves measured at 0.3 mV s
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D1QM00402F
Abstract: In this paper, the photothermal conversion principles and the latest application strategies in photothermal therapy of nanomaterials are generalized. Finally, the suggestions for further development of them in anti-cancer therapy are given.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9TC05852D
Abstract: Flower-like heterogeneous Co/MnO@C composites were facilely synthesized for highly efficient electromagnetic wave absorption. The effect of Co contents on the electromagnetic performance and the absorption mechanism was thoroughly investigated.
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0QI00730G
Abstract: A Co 2 V 2 O 7 /G composite with MOF-derived hollow Co 2 V 2 O 7 nanocages uniformly distributed on graphene exhibits excellent electrochemical performance for supercapacitors.
Publisher: Elsevier BV
Date: 07-2022
Publisher: American Chemical Society (ACS)
Date: 21-01-2022
Publisher: Wiley
Date: 13-03-2018
Abstract: For the first time, we synthesize solid‐solution alloy nanoparticles of Ir and Cu with a size of ca. 2 nm, despite Ir and Cu being immiscible in the bulk up to their melting over the whole composition range. We performed a systematic characterization on the nature of the Ir x Cu 1− x solid‐solution alloys using powder X‐ray diffraction, scanning transmission electron microscopy coupled with energy‐dispersive X‐ray spectroscopy and X‐ray photoelectron spectroscopy. The results showed that the Ir x Cu 1− x alloys had a face‐centered‐cubic structure charge transfer from Cu to Ir occurred in the alloy nanoparticles, as the core‐level Ir 4f peaks shifted to lower energy region with the increase in Cu content. Furthermore, we observed that the alloying of Ir with Cu enhanced both the electrocatalytic oxygen evolution and oxygen reduction reactions. The enhanced activities could be attributed to the electronic interaction between Ir and Cu arising from the alloying effect at atomic‐level.
Publisher: Elsevier BV
Date: 12-2022
DOI: 10.1016/J.JCIS.2022.08.086
Abstract: The widespread use of antibiotics leads to the increasing drug resistance of bacteria and poses a threat to human health. Therefore, there is an urgent need to develop new antibacterial strategies. Herein, based on the good photothermal properties of Copper sulfide (CuS) nanoparticles under near infrared (NIR) laser, we developed a NIR-Ⅱ window triple-mode synergetic antibacterial cCuS (cationic CuS) @Vancomycin (Van) nanoplatform. In the proposed nanoplatform, the positive charge on the surface makes cCuS@Van nanoplatform show better bacterial uptake and membrane damage vancomycin induces chemical sterilization and provides a targeting effect to the nanoplatform combined with the strong photothermal effect and deep tissue penetration at the excitation of 1064 nm laser, cCuS@Van nanoplatform can effectively kill bacterial. The photothermal conversion efficiency of the nanoplatform can reach 49.12 % and in vitro experiments show a sterilizing rate of more than 99.5 % to staphylococcus aureus (S. aureus) at the concentration of 3.0 μM, which also demonstrated the synergistic effect of cCuS@Van nanoplatform. In addition, low cytotoxicity to human cells conforms the good biocompatibility of the as-prepared cCuS@Van nanoplatform, which endows it a good application prospect in the field of antibacterial, such as wound healing and implant sterilization.
Publisher: Wiley
Date: 24-04-2023
Abstract: Achieving scalable synthesis of nanoscale transition‐metal carbides (TMCs), regarded as substitutes for platinum‐group noble metals, remains an ongoing challenge. Herein, a 100‐g scale synthesis of single‐phased cobalt carbide (Co 2 C) through carburization of Co‐based Prussian Blue Analog (Co‐PBA) is reported in CO 2 /H 2 atmosphere under mild conditions (230 °C, ambient pressure). Textural property investigations indicate a successful preparation of orthorhombic‐phased Co 2 C nanomaterials with Pt‐group–like electronic properties. As a demonstration, Co 2 C achieves landmark photo‐assisted thermal catalytic CO 2 conversion rates with photo‐switched product selectivity, which far exceeds the representative Pt‐group‐metal–based catalysts. This impressive result is attributed to the excellent activation of reactants, colorific light absorption, and photo‐to‐thermal conversion capacities. In addition to CO 2 hydrogenation, the versatile Co 2 C materials show huge prospects in antibacterial therapy, interfacial water evaporation, electrochemical hydrogen evolution reaction, and battery technologies. This study paves the way toward unlocking the potential of multi‐functional Co 2 C nanomaterials.
Publisher: Elsevier BV
Date: 08-2019
Publisher: Elsevier BV
Date: 08-2023
Publisher: American Chemical Society (ACS)
Date: 05-09-2019
Abstract: Broadband absorbers derived from metal-organic frameworks are highly desirable in the electromagnetic (EM) wave absorption field. Herein, a strategy for cobalt-decorated porous ZrO
Publisher: Elsevier BV
Date: 02-2023
No related grants have been discovered for Fenglong Wang.