Sustained production of H2O2 in alkaline water solution using borate and phosphate-modified Au/TiO2 photocatalysts†,Photochemical & Photobiological Sciences

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Sustained production of H2O2 in alkaline water solution using borate and phosphate-modified Au/TiO2 photocatalysts†
Photochemical & Photobiological Sciences ( IF 3.1 ) Pub Date : 2018-07-03 00:00:00 , DOI: 10.1039/c8pp00177d
Xianqiang Xiong _{1,

2,

3,

4} , Xiao Zhang _{1,

2,

3,

4} , Shengwei Liu _{1,

2,

3,

4} , Jianjun Zhao _{1,

2,

3,

4} , Yiming Xu _{1,

2,

3,

4}

Affiliation

UV irradiation of Au/TiO₂ photocatalysts in the presence of borate and phosphate anions can produce H₂O₂ at a millimolar level in alkaline water solution. The positive effect of the anions is ascribed to the anion-mediated hole transfer from Au/TiO₂ to an electron donor which thus accelerates the two-electron reduction of O₂ to H₂O₂.

中文翻译：

使用硼酸盐和磷酸盐改性的Au / TiO ₂光催化剂在碱性水溶液中持续生产H ₂ O ₂†

在硼酸根和磷酸根阴离子的存在下，Au / TiO ₂光催化剂的紫外线照射可以在碱性水溶液中生成毫摩尔级的H ₂ O ₂。阴离子的积极作用归因于阴离子介导的从Au / TiO ₂到电子供体的空穴转移，从而加速了O ₂到H ₂ O ₂的两电子还原。

更新日期：2018-07-03

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