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13512385488

新虫 (小有名气)


[交流] 【求助】做金属银催化机理的求助

我是做金属催化机理的,最近主要做银催化,我想问个问题,为什么我们机理方面很少有提及银催化的机理研究,我不太懂,是不是银催化效率不好哦,在你们领域银催化效果不佳做的人少哦,或者大家有没有关于银催化机理的文献,传给我交流一下
,谢谢
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kexuedao

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小木虫: 金币+0.5, 给个红包,谢谢回帖
引用回帖:
1476054楼: Originally posted by tom18cruise at 2010-12-28 20:28:22
http://pubs.acs.org/doi/abs/10.1021/es7031345?prevSearch=%255Bauthor%253A%2Bliu%2Btong-xu%255D%2BNOT%2B%255Batype%253A%2Bad%255D%2BNOT%2B%255Batype%253A%2Bacs-toc%255D&searchHistoryKey=

AgNO3- ...

好像也不是单纯讲Ag催化的吧?
In the dark, AgNO3 can adsorb CH3SH immediately to form Ag-SCH3 that is then decomposed by the scission of C-S to generate the Ag-S species (Ag2S, Ag4S2, AgSH, etc). Under UVA illumination, Ag-SCH3 and other Ag-S species can be oxidized into AgSO3CH3 and Ag2SO4 that can also react with CH3SHto form Ag-SCH3 again and release two final products of HSO3CH3 and H2SO4. It can be seen that with three core intermediates of Ag-SCH3, AgSO3CH3, and Ag2SO4, the chemisorption and photocatalytic reaction are continuously preceded under UVAillumination to degrade gaseousCH3SH into two aqueous acids as its final products.
8楼2012-11-25 14:21:08
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