Generation and Release of OH Radicals from the Reaction of H2O with O-2 over Soot
文献类型：期刊论文
| 作者 | He, Guangzhi ; Ma, Jinzhu; Chu, Biwu; Hu, Renzhi; Li, Hao; Gao, Meng; Liu, Yuan; Wang, Yonghong; Ma, Qingxin; Xie, Pinhua
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| 刊名 | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
 |
| 出版日期 | 2022-05-16 |
| 卷号 | 61期号:21页码:e202201638 |
| 关键词 | HETEROGENEOUS CHEMISTRY OPTICAL-PROPERTIES ORGANIC-CARBON AEROSOLS FRESH |
| ISSN号 | 1433-7851 |
| 英文摘要 | OH radicals in the air maintain the oxidizing power of the troposphere. A conventional view is that particulate matter (PM) in the atmosphere is a major sink of OH radicals, thereby lowering the oxidizing power of atmosphere in the event of high-level PM. By contrary, our joint experimental/theoretical study reveals a new mechanism for the generation of gaseous OH radicals by carbonaceous soot particles. We show that water and O-2 react on carbonaceous surfaces and give rise to gaseous OH radicals under irradiation. With ample delocalized pi electrons, carbonaceous surfaces enable the easy desorption of hydroxyl groups to produce gaseous OH radicals, evidenced by direct observation of the steady generation of OH radicals on a carbonaceous surface. Our results reveal a new chemical mechanism for the production of OH radicals. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/47406]  |
| 专题 | 生态环境研究中心_大气污染控制中心 |
| 作者单位 | 1.Chinese Acad Sci, State Key Joint Lab Environm Simulat & Pollut Con, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 2.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, State Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China 5.Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA |
| 推荐引用方式 GB/T 7714 | He, Guangzhi,Ma, Jinzhu,Chu, Biwu,et al. Generation and Release of OH Radicals from the Reaction of H2O with O-2 over Soot[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2022,61(21):e202201638. |
| APA | He, Guangzhi.,Ma, Jinzhu.,Chu, Biwu.,Hu, Renzhi.,Li, Hao.,...&He, Hong.(2022).Generation and Release of OH Radicals from the Reaction of H2O with O-2 over Soot.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,61(21),e202201638. |
| MLA | He, Guangzhi,et al."Generation and Release of OH Radicals from the Reaction of H2O with O-2 over Soot".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 61.21(2022):e202201638. |
入库方式： OAI收割
来源：生态环境研究中心
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