期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 61, 页码 31216-31227出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2021.07.012
关键词
TiO < sub > 2 <; sub >; Sb < sub > 2 <; sub > S < sub > 3 <; sub >; RGo hybrids; Sb2S3 rod-like bundles; Band alignment; Chalcogenide-based catalysts; Photoelectrochemical water oxidation
资金
- Ministerio de Economia y Competitividad (MINECO, Spain) [CTM201784050-R, PID2020-113704RB-I00]
- Xunta de Galicia/FEDER [IN607A 2018/5]
- Xunta de Galicia/FEDER (Centro Singular de Investigacion de Galicia accreditation 2019-2022) [ED431G 2019/06]
- NANOCULTURE Interreg Atantic Area, European Union (European Regional Development FundERDF) [ERDF: 1.102.531]
- Academy of Scientific Research and Technology (ASRT) in Egypt, Science up initiative [6403]
- Universidade de Vigo/CISUG
- FEDER through the program Interreg V-A Espanea-Portugal (POCTEP) [0712_ACUINANO_1_E, 0624_2IQBIONEURO_6_E]
The study on TiO2/Sb2S3/RGO heterostructures produced via a simple one-pot method shows improved light absorption, charge separation and transportation, as well as enhanced conductivity of the catalyst.
The development of new sources of renewable energy fuels like hydrogen remains challenging considering the nowadays society energy needs on a day-to-day basis. In this context, hybrid nanostructures conformed by TiO2 nanoparticles sensitized with bundles of rod-like Sb2S3 (stibnite) on the surface of reduced graphene oxide (TiO2/Sb2S3/RGO), can pave the way in this direction, as offering heterostructures that can be employed as the active phase in photo-anodes for photoelectrochemical water oxidation. For that, these TiO2/Sb2S3/RGO heterostructures are able to extend the light absorption to the visible range, enhance the charge separation and transportation, and improve the conductivity of the catalyst. Furthermore, the method of synthesis, though simple, implies a one-pot strategy by which the TiO2 nanoparticles and the Sb2S3 rod-like particles are independently produced at the surface of RGO sheets, warranties the proper improved function of the hybrids and offers the engineering of future chalcogenide-based catalysts with promising water splitting photoelectrochemical properties. (c) 2021 The Author(s). Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC. This is an open access article under the CC BY license (http://creativecommons.org/ licenses/by/4.0/).
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