文章信息/Info

Title:

Research Progress of Black Titanium Dioxide for Photocatalysis

文章編號:

1674-3962(2023)06-0475-07

作者:

李　勇1; 2;  陳遠富1; 2;  吳　琪1; 2;  王世鋒1; 2

1. 西藏大學理學院, 西藏 拉薩 850000 2. 西藏大學供氧研究院, 西藏 拉薩 850000

Author(s):

LI Yong1; 2;  CHEN Yuanfu1; 2;  WU Qi1; 2;  WANG Shifeng1; 2

1. College of Science, Tibet University, Lhasa 850000, China 2. Institute of Oxygen Supply, Tibet University, Lhasa 850000, China

關鍵詞:

黑色TiO2 ;  光催化;  光催化活性;  光催化降解;  光量子效率

Keywords:

black titanium dioxide;  photocatalysis; photocatalytic activity;  photocatalytic degradation;  photon efficiency

分類號:

O643. 36; O644. 1; TB34

DOI:

10.7502/j.issn.1674-3962.202105016

文獻標志碼:

A

摘要:

黑色TiO2 具有優異的光吸收性能, 能夠將對太陽光譜的吸收范圍擴展至近紅外區, 且具有高的光吸收率, 因而也具有良好的光催化活性, 是最具發展潛力的光催化劑之一。雖然當前對黑色TiO2 在光催化領域的應用已經開展了很多研究,但其性能距離實際生產要求仍有差距, 一些關鍵的光催化機制仍不清楚。從黑色TiO2的定義、結構形貌、缺陷種類及產生機制、合成方法以及缺陷對黑色TiO2 光催化性能的影響等方面, 綜述了黑色TiO2 在光催化領域的研究進展, 并以黑色TiO2 光催化技術取得進一步突破為目標, 對深入理解黑色TiO2 缺陷的形成及缺陷對光催化活性影響的相關機制、有效提高可見光光量子效率提出了建議。

Abstract:

Black TiO2 has excellent light absorption properties, can expand the absorption range of solar spectrum to near infrared region, and has high light absorption rate, which endows it with good photocatalytic activity and makes it one of the most promising photocatalysts for development. Although a lot of research has been carried out on the application of black TiO2 in the field of photocatalysis,its performance is still far from the actual production requirements, and some key photocatalytic mechanisms are still unclear. This article reviews the research progress of black TiO2 in the field of photocatalysis from the definition, structural morphology, defect types and generation mechanisms, synthesis methods, and the impact of defects on the photocatalytic performance of black TiO2. With the goal of achieving further breakthroughs in black TiO2 photocatalysis technology, suggestions were provided for a deep understanding of the formation of black TiO2 defects and their related mechanisms on photocatalytic activity, as well as effective improvement of visible light quantum efficiency.