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Mechanism of the photocatalytic activity of p-Si(100)/n-ZnO nanorods heterojunction

Nguyen, Thi Hoa and Vuong, Van Cuong and Nguyen, Dinh Lam (2018) Mechanism of the photocatalytic activity of p-Si(100)/n-ZnO nanorods heterojunction. Mechanism of the photocatalytic activity of p-Si(100)/n-ZnO nanorods heterojunction, 204 . pp. 397-402.

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Abstract

A heterojunction of p-Si(100)/n-ZnO nanorods was fabricated by a simple hydrothermal method. The photocatalytic activity of this heterojunction was examined by degradation of Rhodamine B (RhB) under UV light irradiation. The results indicated that the p-Si(100)/n-ZnO nanorods heterojunction exhibits higher photocatalytic activity compared to that of a glass/n-ZnO nanorods. The inner electric field created by the space charge region of heterojunction will oppose the recombination of photogenerated electrons and holes. Furthermore, this heterojunction serves as a convenient recyclable and effective photocatalyst. The photodecomposition rate of RhB after 5 cycles is negligible change in an experiment using this heterojunction.

Item Type: Article
Subjects: Engineering Physics
ISI-indexed journals
Divisions: Faculty of Engineering Physics and Nanotechnology (FEPN)
Depositing User: Nguyê�n
Date Deposited: 17 Dec 2018 09:42
Last Modified: 17 Dec 2018 09:42
URI: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/3322

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