Black phosphorus quantum dots/attapulgite nanocomposite with enhanced photocatalytic performance

Author:

Li Xiazhang12ORCID,Li Feihong1,Lu Xiaowang1,Zuo Shixiang1,Zhuang Ziheng1,Yao Chao1

Affiliation:

1. Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China

2. Center for Advanced Microscopy and Microanalysis, University of Delaware, Newark, DE 19716, USA

Abstract

Novel black phosphorus quantum dots/attapulgite (BPQDs/ATP) nanocomposites were prepared via a facile hydrothermal-deposition method. TEM showed that BPQDs dispersed evenly on the surface of ATP with uniform particle size about 5[Formula: see text]nm. UV-Vis revealed that the BPQDs/ATP composite showed wider visible light absorption range as compared with pure ATP. The photocatalytic activity was evaluated by degradation of bisphenol A (BPA). Results showed that BPQDs/ATP reached 90% degradation rate under solar light irradiation for 180[Formula: see text]min. The coherent heterostructure formed by BPQDs and ATP was responsible for the enhanced photocatalytic performance, due to the sensitization effect of BPQDs and the facilitation of charges separation.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Materials Science

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