ORCID Profile
0000-0002-0190-1930
Current Organisation
Deakin University
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Waste management reduction reuse and recycling | Manufacturing engineering | Manufacturing processes and technologies (excl. textiles) | Functional materials |
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8NR05167D
Abstract: Recently, thermally regulating textiles have attracted wide interest owing to their ability to realize personal cooling and provide thermal comfort.
Publisher: Elsevier BV
Date: 08-2021
Publisher: Elsevier BV
Date: 08-2017
Publisher: Elsevier BV
Date: 04-2022
Publisher: MDPI AG
Date: 10-2019
DOI: 10.3390/NANO9101400
Abstract: The most known analogue of graphene, molybdenum disulfide (MoS2) nanosheet, has recently captured great interest because it can present properties beyond graphene in several high technological applications. Nonetheless, the lack of a feasible, sustainable, and scalable approach, in which synthesizing and functionalization of 2H-MoS2 nanosheets occur simultaneously, is still a challenge. Herein, a hydrothermal treatment has been utilised to reduce the effect of breaking mechanisms on the lateral size of produced nanosheets during the ball milling process. It was demonstrated that the hydrothermal pre-treatment led to the initial intercalation of an organic molecule such as 4,4’-diaminodiphenyl sulfone (DDS) within the stacked MoS2 sheets. Such a phenomenon can promote the horizontal shear forces and cause sliding and peeling mechanisms to be the dominated ones during low energy ball milling. Such combined methods can result in the production of 2H functionalized MoS2 nanosheets. The resultant few layers showed an average lateral dimension of more than 640 nm with the thickness as low as 6 nm and a surface area as high as 121.8 m2/g. These features of the synthesised MoS2 nanosheets, alongside their functional groups, can result in fully harnessing the reinforcing potential of MoS2 nanosheets for improvement of mechanical properties in different types of polymeric matrices.
Publisher: MDPI AG
Date: 17-11-2019
DOI: 10.3390/APP9224945
Abstract: In this study, a single firing was used to convert stabilized polyacrylonitrile (PAN) fibers and ceramic forming materials (kaolin, feldspar, and quartz) into carbon fiber/ceramic composites. For the first time, PAN carbonization and ceramic sintering were achieved simultaneously in one thermal cycle and the microscopic morphologies and physical features of the obtained carbon fiber/ceramic composites were characterized in detail. The obtained carbon fiber/ceramic composite showed comparable flexural strength as commercial ceramic tiles. Meanwhile, the composite showed exceptional electro-thermal performance based on the electro-thermal performance of the carbonized PAN fibers, which could reach 108 ℃ after 15 s, 204 ℃ after 90 s, and 292 ℃ after 450 s at 5 V (2.6 A), thereby making the ceramic composite a good candidate as an indoor climate control heater, defogger device, kettle, and other heating element.
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D3NJ01999C
Abstract: The pore deepening and defect-engineering of carbon fibres by introducing the chemical activation agent, KOH etchant.
Publisher: Elsevier BV
Date: 09-2018
Publisher: Elsevier BV
Date: 03-2021
Publisher: American Chemical Society (ACS)
Date: 13-06-2019
Abstract: Conventional three-dimensional (3D) thermal conductors or heat sinks are normally bulky solids with high density, which is cumbersome and not portable to satisfy current demands for soft and flexible electronic devices. To address this issue, here, a lightweight, superelastic yet thermally conductive boron nitride (BN) nanocomposite aerogel is designed by a facile freeze-drying method. The attained aerogel constituting of tailored interconnected binary inorganic-organic network structure exhibits low bulk density (6.5 mg cm
Publisher: American Chemical Society (ACS)
Date: 11-09-2019
Abstract: Based on the urgent demand of non-flammable electrospun nanofiber separators and the strong adsorption to polysulfides through chemical doping in separators for Li-S cell, in this study, a phosphorus, nitrogen, and sulfur three-flame retardant (di-(2-(5,5-dimethyl-2-sulfido-1,3,2-dioxaphosphinan-2-yl)hydrazineyl)-
Publisher: Elsevier BV
Date: 02-2018
Publisher: Trans Tech Publications, Ltd.
Date: 02-2011
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.675-677.275
Abstract: In this paper, electrospinning method was adopted to prepare tin oxide nanofibers membrane with three kinds of novel precursor solution PVP/C12H24O4Sn, PVP/ C4H10OSn and PVP/SnCl4. The morphology, surface element, thermal analysis and crystal structure of the fibers membrane were investigated by SEM, EDS, TG-DTA and XRD. The results showed that the organic/inorganic hybrid nanofibers with an average diameter of 300~700 nm can be obtained by electrospinning. But after calcined at 600°C, the loose and porous tin oxide nanofibers membrane with an average diameter of 100~250 nm can be obtained only by using PVP/SnCl4 as preceusor solution, moreover, it showed good fiber forming property. From XRD spectra, it was found that the rutile structure tin oxide finally obtained without other crystalline forms.
Publisher: Springer Science and Business Media LLC
Date: 06-11-2018
DOI: 10.1038/S41598-018-34609-Y
Abstract: Contamination caused by inappropriate carbon fibre (CF) storage may have an impact on their end use in reinforced composite materials. Due to the chemical complexity of CFs it is not easy to detect potential contaminants, especially at the early stage during manufacturing and handling. In this paper, X-ray Photoelectron Spectroscopy (XPS), Fourier Transform Infrared (FTIR) spectroscopy and Surface Energy Analysis (IGC-SEA) were used to assess the surfaces of CFs stored in polyolefin zip-lock bags for possible contamination. Only after over 2 months in-bag storage, was XPS capable of detecting a minor increase in nitrogen on the CF surface while FTIR revealed the presence of fatty acid amides and fatty acids, both associated with the storage media. However neither of these techniques were sensitive enough to show significant evolution of the amount of contamination as a function of storage time. In contrast, IGC-SEA distinguished surface energy differences between CFs before and after storage. These differences were found to change as a function of storage time, which were attributed to increases in contamination amounts. Single fibre fragmentation tests indicated that the surface contamination had potential to disrupt the fibre-matrix interface. These findings provide a new method for assessing the surface contamination of CFs with potential application to other materials.
Publisher: Trans Tech Publications, Ltd.
Date: 02-2011
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.194-196.515
Abstract: SnO 2 /Al 2 O 3 nanofibers have been fabricated from a suitable inorganic–organic composite solution via a simple electrospinning method and followed by calcination treatment of the electrospun polymer/inorganic composite fibers. The effect of voltage, tip-to-collector distance and calcining temperature on the morphology and crystal structure of nanofibres was investigated by scanning electron microscope (SEM), X-ray photoelectron spectra (XPS) and X-ray diffraction (XRD). The diameter and diameter distribution of nanofibers can be controlled by controlling the electrospinning parameters and the more ideal diameter is 200-350nm. The formation of phase identified by XRD indicated the existence of tetragonal rutile tin oxide crystals and amorphous alumina. This paper provides a new method for the preparation of the SnO 2 /Al 2 O 3 catalysts for NOX reduction.
Publisher: MDPI AG
Date: 15-01-2020
DOI: 10.3390/SU12020641
Abstract: For practical applications, both environmental and economic aspects are highly required to consider in the development of recycling of fibre reinforced polymers (FRPs) encountering their end-of-life. Here, a sustainable, low cost, and efficient approach for the recycling of the glass fibre (GF) from GF reinforced epoxy polymer (GFRP) waste is introduced, based on a microwave-assisted chemical oxidation method. It was found that in a one-step process using microwave irradiation, a mixture of hydrogen peroxide (H2O2) as a green oxidiser and tartaric acid (TA) as a natural organic acid could be used to decompose the epoxy matrix of a waste GFRP up to 90% yield. The recycled GFs with ~92.7% tensile strength, ~99.0% Young’s modulus, and ~96.2% strain-to-failure retentions were obtained when compared to virgin GFs (VGFs). This short microwave irradiation time using these green and sustainable recycling solvents makes this a significantly low energy consumption approach for the recycling of end-of-life GFRPs.
Publisher: Elsevier BV
Date: 11-2019
Publisher: Elsevier BV
Date: 05-2021
Publisher: Elsevier BV
Date: 06-2022
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1TA08646D
Abstract: The progress in the synthesis of porous carbon fibers and their performance improvement mechanisms for energy and environmental applications are comprehensively reviewed, providing guidelines for the future development of this emerging material.
Publisher: Elsevier BV
Date: 07-2017
Publisher: Elsevier BV
Date: 03-2021
Publisher: Elsevier BV
Date: 2022
Publisher: IEEE
Date: 2010
Publisher: Springer Science and Business Media LLC
Date: 24-03-2016
Publisher: IEEE
Date: 2010
Publisher: Elsevier BV
Date: 04-2017
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6NR04923K
Abstract: The research and development of advanced energy-storage systems must meet a large number of requirements, including high energy density, natural abundance of the raw material, low cost and environmental friendliness, and particularly reasonable safety. As the demands of high-performance batteries are continuously increasing, with large-scale energy storage systems and electric mobility equipment, lithium-sulfur batteries have become an attractive candidate for the new generation of high-performance batteries due to their high theoretical capacity (1675 mA h g
Publisher: American Chemical Society (ACS)
Date: 24-11-2021
Publisher: Elsevier BV
Date: 12-2020
Publisher: Elsevier BV
Date: 07-2016
DOI: 10.1016/J.JOMS.2016.01.049
Abstract: A variety of surgical protocols are available in the literature for performing mandibular distraction. This study aims to determine the ideal rate of distraction and compare outcomes between internal and external distractors in children and infants with upper airway obstruction due to micrognathia. A systematic review was performed. The databases searched included PubMed, Embase, Scopus, Web of Knowledge, and gray-literature sources. The intervention was bilateral mandibular distraction for upper airway obstruction in children with clinical evidence of micrognathia or Pierre Robin sequence. The variables for comparison included distraction rates of 1 mm/d and 2 mm/d and external versus internal distractors. The outcome was successful completion of distraction. Complications also were recorded and compared. The data were analyzed by cross tabulation to calculate odds ratios. Overall, 43 studies were included in the surgical outcomes analysis. The overall success rate of distraction was 95.4%. There was no statistically significant difference in success rate with distraction at 1 mm/d or 2 mm/d (P = .18). Distraction at 1 mm/d was associated with a higher rate of technical failures. External distractors had a higher failure rate than internal distractors (P = .012). Internal distractors had a lower rate of significant scarring (P = .006) and had a lower incidence of technical failures (P = .039). In children younger than 12 months, distraction at a rate of 2 mm/d is safe and appears to have a similar success rate to distraction at 1 mm/d. Internal distractors have a higher success rate than external distractors and should be used when possible.
Publisher: Trans Tech Publications, Ltd.
Date: 12-2009
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.87-88.555
Abstract: A kind of novel biodegradable poly(hexamethylene adipate) (PHMA) nanofibers with diameter of 100~700nm using a mixed solvent of 1,2-dichloroethane (DCE ) and trifluoroacetic acid (TFA) were obtained by electrospinning process in this paper. The morphology of electropun PHMA nanofibers were investigated by scanning electron microscopy (SEM). The results showed that the morphology, diameter and uniformity of the fibers were influenced by solvent ratio, solution concentration, applied voltage, capillary–screen distance and flow rate greatly. The finer and uniform nanofibers were electrospun from a mixed solvent of DCE and TFA with ratio of 70/30(w/w).
Publisher: American Chemical Society (ACS)
Date: 27-03-2018
Abstract: In this study, the CeF
Publisher: Elsevier BV
Date: 05-2020
Publisher: Trans Tech Publications, Ltd.
Date: 10-2010
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.150-151.1452
Abstract: The chitosan(CS) olyurethane(PU) blend nanofibers have been prepared for the first time by electrospinning. Formic acid (FA) and Hexafluoroisopropanol (HFIP) were found to be the co-solvent for electrospinning. The CS/PU blend solutions in various ratios were studied for electrospinning into nanofibers. The diameter and morphology of the fibers were shown by scanning electron microscope (SEM). It was found that the average diameter of the chitosan/PU blend fibers became larger, and the morphology of the fibers became finer with the content of PU increasing. To show the molecular interactions, CS/PU fibers were characterized by Fourier transform infrared spectroscopy (FT-IR). Moreover, the antibaterial activity of blend nanofibers against Escherichia coil (E.coil) was measured via optical density method. The blend nanofibers exhibited satisfying antibacterial activity against E.coil, even the chitosan concentration was only 5wt%. Therefore, the spun nanofibers are expected to be used in the native extracellular matrix for tissue engineering.
Publisher: Elsevier BV
Date: 12-2019
Publisher: SAGE Publications
Date: 09-2010
Abstract: A new method for synthesizing alumina (Al 2 O 3 ) nanofibers through the electrospinning method was reported. The spinning solutions of anhydrous aluminium chloride olyvinylpyrrolidone (AlCl 3 /PVP), which were prepared by the sol-gel process of the mixture of AlCl 3, PVP, ethanol and redistilled water, were electrospun to form AlCl 3 /PVP organic-inorganic hybrid fibers. Alumina nanofibers with average diameters of 100—800 nm were obtained by calcinations of the as-prepared fibers. The fibers were characterized by SEM, TG-DTA, FTIR, XPS and XRD. The results showed that with the increase of the concentration of spinning solution, the diameter of fibers also increased, and that the diameter of fibers decreased with the increase of the applied voltage and calcination temperature. The uncrystalline Al 2 O 3, γ-Al 2 O 3 and α-Al 2 O 3 were obtained after calcinations of about 5 h at 450, 900 and 1100°C, respectively.
Publisher: Elsevier BV
Date: 12-2022
Publisher: Elsevier BV
Date: 07-2019
Publisher: Springer Science and Business Media LLC
Date: 26-06-2014
Publisher: Elsevier BV
Date: 11-2016
Publisher: Elsevier BV
Date: 04-2023
Publisher: Elsevier BV
Date: 03-2020
Publisher: Elsevier BV
Date: 02-2019
Publisher: Wiley
Date: 06-09-2019
Publisher: Elsevier BV
Date: 11-2015
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D0TA11255K
Abstract: Metal–organic frameworks (MOFs) have emerged as a new class of crystalline nanomaterials with ultrahigh porosities and high internal surface areas.
Publisher: Springer Science and Business Media LLC
Date: 05-10-2016
Publisher: Elsevier BV
Date: 11-2019
Publisher: Elsevier BV
Date: 02-2018
Publisher: Elsevier BV
Date: 02-2020
Publisher: Wiley
Date: 16-09-2019
Publisher: Springer Science and Business Media LLC
Date: 15-09-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5TA02525G
Abstract: Capsular PPy-HNFs fabricated via in situ polymerization on organic templates showed an exceptional Cr( vi ) adsorption capacity, up to 839.3 mg g −1 .
Publisher: Elsevier BV
Date: 09-2016
DOI: 10.1016/J.JCIS.2016.06.030
Abstract: Silkworm silk fibers are core-shell composites of fibroin and sericin proteins. Studying the interactions between fibroin and sericin is essential for understanding the properties of these composites. It is observed that compared to the domestic silk cocoon Bombyx mori (B. mori), the adhesion between fibroin and sericin from the wild silk cocoon, Antheraea pernyi (A. pernyi), is significantly stronger with a higher degree of heterogeneity. The adsorption of A. pernyi sericin on its fibroin is almost twice the value for B. mori sericin on fibroin, both showing a monolayer Langmuir adsorption. (1)H NMR and FTIR studies demonstrate on a molecular level the stronger interactions and the more intensive complex formation between A. pernyi fibroin and sericin, facilitated by the hydrogen bonding between glycine and serine. The findings of this study may help the design of composites with superior interfacial adhesion between different components.
Publisher: Elsevier BV
Date: 06-2018
Publisher: Elsevier BV
Date: 11-2016
Publisher: Wiley
Date: 10-11-2021
Abstract: Lithium‐sulfur (Li−S) batteries have attracted attention in the field of energy storage due to their high energy density and theoretical capacity. However, there are still some obstacles to achieve commercial applications such as large volume expansion of sulfur, low electrical conductivity, the growth of lithium dendrites, and the polysulfide shuttle effect. Through continuous research on Li−S batteries, renewable biomass materials have been discovered by scholars and scientists due to their sustainable development, low cost, and extensive sources. The results showed that renewable biomass‐derived carbons had outstanding advantages such as high specific surface area and large pore volume, as well as inherent heteroatom doping after being applied to Li−S batteries, which had a significant effect on improving the electrochemical performance. This Review summarizes the research progress of Li−S batteries in renewable biomass materials in recent years, starting from three aspects: biomass carbon‐sulfur composite cathodes, biomass modified separators, and biomass independent flexible carbon interlayers. Firstly, the Review summarizes its physical barrier and adsorption mechanism (the effect of various porous structures), chemical reaction and adsorption mechanism, catalysis and conversion mechanism. Then, it classifies materials based on the source of renewable biomass as well as elaborating and analyzing the structures, mechanism, and performance among them. Finally, the Review summarized the shortages in this field, as well as the challenges and opportunities faced. The authors hope that this Review will have a certain reference value for the development of various biomasses for high performance Li−S batteries, and will inspire more scholars to devote themselves to the research of biomass materials for Li−S batteries.
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C6RA24719A
Abstract: Polyacrylonitrile (PAN) reinforced with nano-carbons such as graphene (Gr) and carbon nanotubes (CNTs) provides great opportunity for the development of low-cost and high-performance carbon materials.
Start Date: 02-2023
End Date: 01-2026
Amount: $454,054.00
Funder: Australian Research Council
View Funded Activity