水微滴的喷射形成发光,并在周围气体中引起化学反应

IF 12.5 1区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Yifan Meng, Yu Xia, Jinheng Xu, Richard N. Zare
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引用次数: 0

摘要

当中性水被喷射时,会形成带相反电荷的微滴。带相反电荷的微液滴的接近引起放电并导致发光。光发射发生在没有任何外部电压施加,和放电是足够的能量激发,离解,或电离周围的中性气体分子。因此,喷射出的水微滴会引起化学反应的发生。与Urey-Miller实验类似的发现是通过向含有氮、甲烷、二氧化碳和氨的气体混合物中喷洒室温下的水微滴,从而合成含有碳氮(C─N)键的有机分子。这些观测结果为气-水界面独特的反应性提供了另一种解释,也为早期地球生命的形成提供了可能的机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spraying of water microdroplets forms luminescence and causes chemical reactions in surrounding gas
When neutral water is sprayed, oppositely charged microdroplets are formed. The close approach of oppositely charged microdroplets causes an electrical discharge and leads to luminescent emission. The light emission happens without any external voltage applied, and the electrical discharge is sufficiently energetic to excite, dissociate, or ionize surrounding neutral gas molecules. Thus, sprayed water microdroplets cause chemical reactions to occur. Similar findings to the Urey-Miller experiment were observed by spraying room temperature water microdroplets into a gas mixture containing nitrogen, methane, carbon dioxide, and ammonia, which leads to the synthesis of organic molecules containing carbon-nitrogen (C─N) bonds. These observations provide another explanation for unique reactivity at the gas-water interface, as well as a possible mechanism for making the building blocks of life on early Earth.
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来源期刊
Science Advances
Science Advances 综合性期刊-综合性期刊
CiteScore
21.40
自引率
1.50%
发文量
1937
审稿时长
29 weeks
期刊介绍: Science Advances, an open-access journal by AAAS, publishes impactful research in diverse scientific areas. It aims for fair, fast, and expert peer review, providing freely accessible research to readers. Led by distinguished scientists, the journal supports AAAS's mission by extending Science magazine's capacity to identify and promote significant advances. Evolving digital publishing technologies play a crucial role in advancing AAAS's global mission for science communication and benefitting humankind.
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