Facile Synthesis of In2S3 Modified Ag3PO4 Nanocomposites with Improved Photoelectrochemical Properties and Stabilities

Yi-Kai Zeng; Shenyu Bo; Jun-hui Wang; Bin Cui; Hao Gu; Lei Zhu; Won-Chun Oh

doi:10.3740/MRSK.2020.30.11.601

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2020 Vol.30, Issue 11 Preview Page Next Page

Facile Synthesis of In₂S₃ Modified Ag₃PO₄ Nanocomposites with Improved Photoelectrochemical Properties and Stabilities

October 2020. pp. 601-608

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Abstract

In this work, Ag₃PO₄/In₂S₃ nanocomposites with low loading of In₂S₃ (5-15 wt %) are fabricated by two step chemical precipitation approach. The microstructure, composition and improved photoelectrochemical properties of the asprepared composites are studied by X-ray diffraction pattern (XRD), field emission scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), photocurrent density, EIS and amperometric i-t curve analysis. It is found that most of In₂S₃ nanoparticles are deposited on the surfaces of Ag₃PO₄. The as-prepared Ag₃PO₄/ In₂S₃ composite (10 wt%) is selected and investigated by SEM and TEM, which exhibits special morphology consisting of lager size substrate (Ag₃PO₄), particles and some nanosheets (In₂S₃). The introduction of In₂S₃ is effective at improving the charge separation and transfer efficiency of Ag₃PO₄/In₂S₃, resulting in an enhancement of photoelectric behavior. The origin of the enhanced photoelectrochemical activity of the In₂S₃-modified Ag₃PO₄ may be due to the improved charge separation, photocurrent stability and oriented electrons transport pathways in environment and energy applications.

Keywords

Ag₃PO₄

In₂S₃

photocurrent

charge separation

photoelectrochemical property

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 30
No :11
Pages :601-608
Received Date : 2020-09-23
Revised Date : 2020-10-13
Accepted Date : 2020-10-14
DOI :https://doi.org/10.3740/MRSK.2020.30.11.601

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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