Modified TiO2-rGO Binary Photo-Degradation Nanomaterials: Modification, Mechanism, and Perspective

IF 2.1 4区 化学 Q3 CHEMISTRY, PHYSICAL
Xu Du, Jingpeng Luo, Qiushi Qin, Jinghong Zhang, Dong Fu
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引用次数: 2

Abstract

As a set of photocatalyst and its co-catalyst with exceptional photo-degradation performance, rGO exhibits a conspicuous board-spectrum sensitization effect to TiO2. It has been widely recognized by studies in the field of water treatment that, their synergistic can also markedly complement short carrier lifetime and other shortcomings of TiO2. Over the years, research conducted on TiO2-rGO binary composite material manifests its wide modifiable space for seeking a better degradation performance and a higher solar availability. We presents an overview study on the latest modification methods of the TiO2-rGO binary composite material and divide them into categories. This article focuses on the four of them as follows: morphology and crystalline engineering, doping modification, semiconductor ternary combination, noble-metal decoration. Furthermore, the in-depth degradation mechanism and novel structure design of the modified TiO2-rGO binary composite materials are reviewed. Ongoing difficulties and promising opportunities have been summarized and expected in this article, aiming to guide the design and study of the future photo-degradation nanomaterial.

改性二氧化钛-氧化石墨烯二元光降解纳米材料:改性、机理和前景
还原氧化石墨烯作为一组光催化剂及其助催化剂,具有优异的光降解性能,对TiO2表现出明显的板谱敏化效应。水处理领域的研究已经广泛认识到,它们的协同作用还可以显著地弥补TiO2的载流子寿命短等缺点。多年来,对TiO2-rGO二元复合材料的研究表明,其具有广阔的改性空间,可以寻求更好的降解性能和更高的太阳能利用率。本文综述了二氧化钛-氧化石墨烯二元复合材料的最新改性方法,并对其进行了分类。本文着重从形貌与晶体工程、掺杂改性、半导体三元组合、贵金属修饰等四个方面进行了研究。综述了改性TiO2-rGO二元复合材料的深度降解机理和新型结构设计。本文对目前存在的困难和前景进行了总结和展望,旨在指导未来光降解纳米材料的设计和研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Catalysis Surveys from Asia
Catalysis Surveys from Asia 化学-物理化学
CiteScore
4.80
自引率
0.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: Early dissemination of important findings from Asia which may lead to new concepts in catalyst design is the main aim of this journal. Rapid, invited, short reviews and perspectives from academia and industry will constitute the major part of Catalysis Surveys from Asia . Surveys of recent progress and activities in catalytic science and technology and related areas in Asia will be covered regularly as well. We would appreciate critical comments from colleagues throughout the world about articles in Catalysis Surveys from Asia . If requested and thought appropriate, the comments will be included in the journal. We will be very happy if this journal stimulates global communication between scientists and engineers in the world of catalysis.
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