Solvothermal synthesis of BiOI flower-like microspheres for efficient photocatalytic degradation of BPA under visible light irradiation

Lan Huachun; Zhang Gong; Zhang Hongwei; Liu Huijuan; Liu Ruiping; Qu Jiuhui

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Solvothermal synthesis of BiOI flower-like microspheres for efficient photocatalytic degradation of BPA under visible light irradiation

机译：可见光照射下BPA高效光催化降解BPA的溶剂热合成

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In this study, BiOI was fabricated via a solvothermal synthesis method. Based on characterization using XRD, BET, SEM, TEM and XPS, layered-structure BM with a pure orthorhombic phase and flower-like microsphere morphology was successfully prepared. Compared with P25 TiO2, BiOI had higher photocatalytic activity towards 2,2-bis(4-hydroxyphenyl)propane (BPA) degradation under visible light irradiation. The results of photocurrent generation also proved that BiOI had excellent photocurrent response to visible light. Hence, the good photocatalytic performance of BiOI was attributed to its enhanced light absorption and separation of photogenerated electrons and holes. ESR measurements further confirmed that hydroxyl radicals were generated and involved in the BPA photodegradation process. (C) 2017 Published by Elsevier B.V.

机译：在这项研究中，BiOI是通过溶剂热合成方法制备的。通过XRD、BET、SEM、TEM和XPS表征，成功制备了具有纯正交相和花状微球形貌的层状结构BM。与P25 TiO2相比，BiOI在可见光照射下对2,2-双（4-羟基苯基）丙烷（BPA）的降解具有更高的光催化活性。光电流产生的结果也证明了BiOI对可见光具有良好的光电流响应。因此，BiOI良好的光催化性能归因于其增强的光吸收和光生电子与空穴的分离。ESR测量进一步证实，羟基自由基产生并参与了BPA的光降解过程。（C） 2017年由爱思唯尔B.V.出版。

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来源
《Catalysis Communications》 |2017年第1期|共4页
作者
Lan Huachun; Zhang Gong; Zhang Hongwei; Liu Huijuan; Liu Ruiping; Qu Jiuhui;
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作者单位

Chinese Acad Sci Res Ctr Ecoenvironm Sci Key Lab Drinking Water Sci &

Technol Beijing 100085 Peoples R China;

Chinese Acad Sci Res Ctr Ecoenvironm Sci Key Lab Drinking Water Sci &

Technol Beijing 100085 Peoples R China;

Chinese Acad Sci Res Ctr Ecoenvironm Sci Key Lab Drinking Water Sci &

Technol Beijing 100085 Peoples R China;

Chinese Acad Sci Res Ctr Ecoenvironm Sci State Key Lab Environm Aquat Chem Beijing 100085 Peoples R China;

Chinese Acad Sci Res Ctr Ecoenvironm Sci Key Lab Drinking Water Sci &

Technol Beijing 100085 Peoples R China;

Chinese Acad Sci Res Ctr Ecoenvironm Sci Key Lab Drinking Water Sci &

Technol Beijing 100085 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
BiOI; BPA; Photodegradation; Visible light; (OH)-O-center dot;

机译：BIO;BPA;光降解;可见光;（OH）-O中心点;

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Solvothermal synthesis of BiOI flower-like microspheres for efficient photocatalytic degradation of BPA under visible light irradiation

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