The formation mechanism of aqueous hydrogen peroxide in a plasma-liquid system with liquid as the anode

被引：16

作者：

Lin, Jiao ^{[1
]}

He, Xinyi ^{[1
]}

Chen, Qiang ^{[1
]}

Xiong, Qing ^{[2
]}

Li, Junshuai ^{[3
,4
]}

Wang, Xin ^{[1
]}

Chen, Guolong ^{[1
]}

Liu, Qing Huo ^{[5
]}

Ostrikov, Kostya ^{[6
,7
]}

机构：

[1] Xiamen Univ, Inst Electromagnet & Acoust, Fujian Prov Key Lab Plasma & Magnet Resonance, Dept Elect Sci, Xiamen 361005, Fujian, Peoples R China

[2] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China

[3] Lanzhou Univ, Minist Educ, Key Lab Special Funct Mat & Struct Design, Lanzhou 730000, Gansu, Peoples R China

[4] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Gansu, Peoples R China

[5] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA

[6] Queensland Univ Technol, Sch Chem & Phys, Brisbane, Qld 4000, Australia

[7] CSIRO QUT Joint Sustainable Proc & Devices Lab, POB 218, Lindfield, NSW 2070, Australia

来源：

EUROPEAN PHYSICAL JOURNAL D | 2020年 / 74卷 / 04期

基金：

澳大利亚研究理事会; 中国国家自然科学基金;

关键词：

Plasma Physics; GLOW-DISCHARGE ELECTROLYSIS; PHOTOCHEMICAL OXIDATION; HYDROXYL RADICALS; CONTACT;

D O I：

10.1140/epjd/e2020-100371-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the formation of aqueous hydrogen peroxide (H2O2aq) in a DC discharge plasma-liquid system with liquid as the anode. The theoretical analysis and experimental results show that the H2O2aq formation process is mostly controlled by the aqueous electron-induced reactions in the liquid zone directly affected by the plasma. It is shown that the low H2O2aq yield in this system is caused by quenching the dissolved OH radicals through aqueous electrons and alkalization in the plasma-directly-affected liquid zone.

引用

页数：7

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