Surface enrichment promotes the decomposition of benzene from air

Luo Tao; Wang Zhijian; Wei XuhuiHuang XiangBai ShuliChen Jiazang

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Surface enrichment promotes the decomposition of benzene from air

机译：表面富集促进空气中苯的分解

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The low generation rate and short lifetime of reactive oxidation radicals such as ˙OH strictly limit the photocatalytic degradation of benzene in air. Here, we adopt copper as a dopant to adjust the absorption of moisture (H2O) to facilitate ˙OH radical production and provide more sites for enriching benzene near the surface of the TiO2 photocatalyst. The localized aggregation of benzene can kinetically promote degradation. Besides, this method can also effectively save the ˙OH radicals from auto-oxidation by shortening the travel distance to react with benzene molecules, which further promotes target collision for realizing efficient detoxication.

机译：反应性氧化自由基的低发电速率和短寿命，例如极限限制了空气中苯的光催化降解。在这里，我们采用铜作为掺杂剂来调节水分的吸收（H2O），以促进OH自由基生产，并提供更多的位点，以富含TiO2光催化剂表面附近的苯。苯的局部聚集可以运动促进降解。此外，该方法还可以通过缩短与苯分子反应的行进距离来有效地节省自动氧化，从而进一步促进目标碰撞以实现有效的排毒。

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来源
《Catalysis science & technology》 |2022年第7期|2340-2345|共6页
作者
Luo Tao; Wang Zhijian; Wei XuhuiHuang XiangBai ShuliChen Jiazang;
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作者单位

Wuyi University;

Chinese Academy of Sciences;

Southern University of Science and Technology;

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原文格式 PDF
正文语种英语
中图分类汉语教学;
关键词
Benzenes; PHOTOCATALYTIC DEGRADATION; autoxidationRadicalsTravel distancedecompositionairBenzene in airMOISTURE ABSORPTIONdegradation;

机译：苯;光催化降解;自动抗原的自动化脱糖尿病吸收吸收良好;

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Surface enrichment promotes the decomposition of benzene from air

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