Flexible hollow TiO2@CMS/carbon-fiber van der Waals heterostructures for simulated-solar light photocatalysis and photoelectrocatalysis
Article
Article Title | Flexible hollow TiO2@CMS/carbon-fiber van der Waals heterostructures for simulated-solar light photocatalysis and photoelectrocatalysis |
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ERA Journal ID | 4724 |
Article Category | Article |
Authors | Chen, Hua-Jun (Author), Yang, Yan-Ling (Author), Zou, Xin-Xin (Author), Shi, Xiao-Lei (Author) and Chen, Zhi-Gang (Author) |
Journal Title | Journal of Materials Science and Technology |
Journal Citation | 98, pp. 143-150 |
Number of Pages | 26 |
Year | 2022 |
Publisher | Elsevier |
Place of Publication | China |
ISSN | 1005-0302 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jmst.2021.05.009 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S1005030221005211 |
Abstract | The recycling technology of photocatalyst powdery has hardly been mature in the photocatalytic oxidation so far. In this work, the hollow TiO2 microspheres with an appropriate thickness are confined in carbon microspheres (CMSs) to form hollow TiO2@CMSs, which are physically integrated with carbon-fiber textile by van der Waals (vdW) interactions to generate separable and recyclable hollow TiO2@CMSs/carbon-fiber vdW heterostructures. Such separable and recyclable heterostructures show remarkable oxidation of 2,4-dinitrophenol. From our detailed characterization and density functional theory (DFT) calculations, we found that carbon fiber can trap electrons exerted from the excitation of hollow TiO2@CMSs and creates holes in hollow TiO2 microspheres, which endow the carbon fiber with photoelectric activity through coherent charge injection. This study indicates that our general strategy for the fabrication of hollow TiO2@CMSs/carbon-fiber vdW heterostructures can be used as separable and recyclable photocatalyst and photoelectrocatalyst with potential industrial applications in environment-related fields. |
ANZSRC Field of Research 2020 | 401605. Functional materials |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Shaanxi University of Science and Technology, China |
Centre for Future Materials | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q675x/flexible-hollow-tio2-cms-carbon-fiber-van-der-waals-heterostructures-for-simulated-solar-light-photocatalysis-and-photoelectrocatalysis
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