Study of N-doping in (Bi2MoO6, MoO3)/SnOx:N photocatalys in the degradation of RhB using visible light

Author:

Feng David Jui-Yang1,Lai Chien-Yu1,Shih Ming-Chang1,Yang Millie1,Lan Wen-How1,Wang Mu-Chun2,Yang Cheng-Fu34ORCID

Affiliation:

1. Department of Electrical Engineering, National University of Kaohsiung, Kaohsiung 81148, Taiwan

2. Department of Electronic Engineering, Minghsin University of Science and Technology, Hsinchu 30401, Taiwan

3. Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung 811, Taiwan

4. Department of Aeronautical Engineering, Chaoyang University of Technology, Taichung 413, Taiwan

Abstract

Novel composites operating in visible light (VL) energy are an important issue in photon excited system. The (Bi2MoO6, MoO3)/SnO[Formula: see text]:N composite photocatalysts were prepared by the one-step spray pyrolysis method. The effect of N-doping in SnO[Formula: see text] layer with controlled N/Sn ratio in precursor to the photocatalystic ability of the composite was studied. The photocatalytic ability of the composites was evaluated by photodegradation of Rhodamine B (RhB) under visible-light emitting diode illumination. The composites were characterized by film optical absorption analysis, X-ray diffraction and scanning electron microscopy. Film with suitable N-doping shows the improved visible-light photocatalytic ability with rate constant 0.019 min[Formula: see text]. With the electrical property of SnO[Formula: see text]:N films and the scavenger analysis of the composites, the photocatalytic mechanism was discussed.

Funder

MOST

Publisher

World Scientific Pub Co Pte Ltd

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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