Sonochemical assisted impregnation of Bi2WO6 on TiO2 nanorod to form Z-scheme heterojunction for enhanced photocatalytic H2 production
- Title
- Sonochemical assisted impregnation of Bi2WO6 on TiO2 nanorod to form Z-scheme heterojunction for enhanced photocatalytic H2 production
- Creator
- Mahammed Shaheer A.R.; Thangavel N.; Rajan R.; Abraham D.A.; Vinoth R.; Sunaja Devi K.R.; Shankar M.V.; Neppolian B.
- Description
- In this work, Bi2WO6/TiO2 nanorod heterojunction was prepared by sonochemical assisted impregnation method. After loading 2 wt% Bi2WO6 on TiO2 nanorods, the photocatalytic hydrogen production rate of 2026 mol/h/g was achieved. Compared to commercial P25 and TiO2 nanorods, ?13 and ?3 folds enhanced activity was observed. The excellent photocatalytic performance of Bi2WO6/TiO2 nanorod photocatalyst was mainly attributed to i) reduction of bandgap due to heterojunction formation, ii) quick transport of photogenerated charge carriers, and iii) efficient charge carrier separation supported by UV-DRS, photocurrent measurement, Impedance study, and photoluminescence spectra analysis. The Z-scheme band alignment for Bi2WO6/TiO2 nanorod heterojunction was proposed based on the Mott-Schottky measurement. This result demonstrated the effective utilization of Z-scheme heterojunction of Bi2WO6/TiO2 for photocatalytic reduction application. 2021 The Society of Powder Technology Japan
- Source
- Advanced Powder Technology, Vol-32, No. 12, pp. 4734-4743.
- Date
- 2021-01-01
- Publisher
- Elsevier B.V.
- Subject
- Bi2WO6; H2 production; Photocatalyst; TiO2 nanorods; Z-scheme
- Coverage
- Mahammed Shaheer A.R., SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, Tamil Nadu, India; Thangavel N., SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, Tamil Nadu, India; Rajan R., Department of Chemistry, CHRIST University, Bangalore, 560029, Karnataka, India; Abraham D.A., Department of Materials Science and Engineering, College of Engineering and Applied Sciences, College of Engineering and Applied Sciences, Nanjing University, Nanjing, CN 210093, Jiangsu, China; Vinoth R., Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia; Sunaja Devi K.R., Department of Chemistry, CHRIST University, Bangalore, 560029, Karnataka, India; Shankar M.V., Nanocatalysis and Solar Fuels Research Laboratory, Department of Materials Science and Nanotechnology, Yogi Vemana University, Kadapa, 516005, Andhra Pradesh, India; Neppolian B., SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, Tamil Nadu, India
- Rights
- Restricted Access
- Relation
- ISSN: 9218831; CODEN: APTEE
- Format
- Online
- Language
- English
- Type
- Article
Collection
Citation
Mahammed Shaheer A.R.; Thangavel N.; Rajan R.; Abraham D.A.; Vinoth R.; Sunaja Devi K.R.; Shankar M.V.; Neppolian B., “Sonochemical assisted impregnation of Bi2WO6 on TiO2 nanorod to form Z-scheme heterojunction for enhanced photocatalytic H2 production,” CHRIST (Deemed To Be University) Institutional Repository, accessed February 27, 2025, https://archives.christuniversity.in/items/show/15517.