期刊
CHEMICAL PHYSICS LETTERS
卷 609, 期 -, 页码 42-49出版社
ELSEVIER
DOI: 10.1016/j.cplett.2014.03.036
关键词
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资金
- National Science Foundation (USA) [0942106]
- Russian Ministry of Education and Science (Russia) [804]
- National Natural Science Foundation of China [41375133]
In the present Letter, the enhancing effect of dimethylamine (DMA) on the production of stable H2SO4-H2O clusters have been studied using the Density Functional Theory (DFT). It has been pointed out that the DMA concentrations of 1-10 ppt are needed in order to achieve a considerable enhancement in production of sulfuric acid water clusters under typical atmospheric conditions and that the ambient RH plays a significant role at the early stages of the gas-to cluster conversion in the ternary DMA-H2SO4-H2O vapour mixtures. Large uncertainties in the thermochemistry of amine-enhanced nucleation have been pointed out and discussed. (C) 2014 Elsevier B.V. All rights reserved.
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