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DOI | 10.1029/2019GL085627 |
Atmospheric Sulfuric Acid-Dimethylamine Nucleation Enhanced by Trifluoroacetic Acid | |
Lu, Yiqun1; Liu, Ling2; Ning, An2; Yang, Gan1; Liu, Yiliang1; Kurten, Theo3; Vehkamaki, Hanna4; Zhang, Xiuhui2; Wang, Lin1,5,6 | |
2020-01-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:2 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Finland |
英文摘要 | Sulfuric acid (SA)-dimethylamine (DMA)-H2O cluster formation has been proven to be responsible for a significant part of new particle formation (NPF) in a Chinese megacity. However, the possible involvement of common atmospheric acids in the subsequent growth of SA-DMA clusters remains elusive. We simulated formation and growth of clusters using atmospheric relevant concentrations of SA, DMA, and trifluoroacetic acid (TFA), a commonly observed atmospheric perfluorocarboxylic acid, using Density Functional Theory combined with Atmospheric Cluster Dynamics Code. The presence of TFA leads to complex cluster formation routes and an enhancement of NPF rates by up to 2.3 ([TFA] = 5.0 x 10(6) molecules cm(-3), [SA] = 1.0 x 10(6) molecules cm(-3), and [DMA] = 1.5 x 10(9) molecules cm(-3)). The agreement of (SA)(1)center dot(DMA)(1-2)center dot(TFA)(1) concentrations between simulations and ambient measurements during NPF events validates model predictions and implies that perfluorocarboxylic acids could potentially boost atmospheric SA-DMA NPF rates. |
英文关键词 | nucleation new particle formation cluster sulfuric acid dimethylamine trifluoroacetic acid |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000517154600014 |
WOS关键词 | PARTICLE FORMATION ; RESOLUTION ; AMINES ; DEGRADATION ; STATES ; CHINA ; WATER ; BASE |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279549 |
专题 | 气候变化 |
作者单位 | 1.Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Jiangwan Campus, Shanghai, Peoples R China; 2.Beijing Inst Technol, Sch Chem & Chem Engn, Key Lab Cluster Sci, Minist Educ China, Beijing, Peoples R China; 3.Univ Helsinki, Dept Chem, Helsinki, Finland; 4.Univ Helsinki, Fac Sci, Inst Atmospher & Earth Syst Res Phys, Helsinki, Finland; 5.Collaborat Innovat Ctr Climate Change, Nanjing, Peoples R China; 6.Shanghai Inst Pollut Control & Ecol Secur, Shanghai, Peoples R China |
推荐引用方式 GB/T 7714 | Lu, Yiqun,Liu, Ling,Ning, An,et al. Atmospheric Sulfuric Acid-Dimethylamine Nucleation Enhanced by Trifluoroacetic Acid[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(2). |
APA | Lu, Yiqun.,Liu, Ling.,Ning, An.,Yang, Gan.,Liu, Yiliang.,...&Wang, Lin.(2020).Atmospheric Sulfuric Acid-Dimethylamine Nucleation Enhanced by Trifluoroacetic Acid.GEOPHYSICAL RESEARCH LETTERS,47(2). |
MLA | Lu, Yiqun,et al."Atmospheric Sulfuric Acid-Dimethylamine Nucleation Enhanced by Trifluoroacetic Acid".GEOPHYSICAL RESEARCH LETTERS 47.2(2020). |
条目包含的文件 | 条目无相关文件。 |
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