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纳米TiO₂悬浮液中光生超氧自由基的形成模型。

A formation model of superoxide radicals photogenerated in nano-TiO suspensions.

作者信息

Wang Dabin, Zhao Lixia, Song Dean, Qiu Jun, Kong Fanyu, Guo Liang-Hong

机构信息

Laboratory of Quality & Safety Risk Assessment for Tobacco, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences Qingdao 266101 China

State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences P. O. Box 2871, 18 Shuangqing Road Beijing 100085 China

出版信息

RSC Adv. 2019 Sep 17;9(50):29429-29432. doi: 10.1039/c9ra06323d. eCollection 2019 Sep 13.

DOI:10.1039/c9ra06323d
PMID:35528433
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9071816/
Abstract

A formation model of O˙ produced in TiO photocatalysis was established, and then a custom built continuous flow chemiluminescence (CFCL) system was used to confirm the model's reliability by monitoring the O˙ formation process. This model may give deeper insights into O˙ formation for TiO and other photocatalysts.

摘要

建立了TiO光催化过程中产生O˙的形成模型,然后使用定制的连续流动化学发光(CFCL)系统通过监测O˙的形成过程来确认该模型的可靠性。该模型可能会为TiO及其他光催化剂的O˙形成提供更深入的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/07a0/9071816/bb944da61f76/c9ra06323d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/07a0/9071816/bb944da61f76/c9ra06323d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/07a0/9071816/bb944da61f76/c9ra06323d-f1.jpg

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本文引用的文献

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2
Generation and Detection of Reactive Oxygen Species in Photocatalysis.光催化中活性氧的生成和检测。
Chem Rev. 2017 Sep 13;117(17):11302-11336. doi: 10.1021/acs.chemrev.7b00161. Epub 2017 Aug 4.
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Online detection of reactive oxygen species in ultraviolet (UV)-Irradiated nano-TiO2 suspensions by continuous flow chemiluminescence.
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Anal Chem. 2014 Nov 4;86(21):10535-9. doi: 10.1021/ac503213m. Epub 2014 Oct 13.
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Two-dimensional interface engineering of a titania-graphene nanosheet composite for improved photocatalytic activity.二维界面工程构建二氧化钛-石墨烯纳米片复合材料以提高光催化活性。
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Self-doped Ti3+ enhanced photocatalyst for hydrogen production under visible light.自掺杂 Ti3+ 可见光下增强的光解水产氢催化剂。
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Photochemical reduction of oxygen adsorbed to nanocrystalline TiO(2) films: a transient absorption and oxygen scavenging study of different TiO(2) preparations.吸附在纳米晶TiO₂薄膜上的氧的光化学还原:不同TiO₂制剂的瞬态吸收和氧清除研究。
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Mechanism of TiO2-assisted photocatalytic degradation of dyes under visible irradiation: photoelectrocatalytic study by TiO2-film electrodes.可见光照射下TiO₂辅助光催化降解染料的机理:TiO₂薄膜电极的光电催化研究
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