Single molecule electro-catalysis of non-fluorescent molecule

Single molecule catalysis is very powerful in revealing catalytic mechanism at the single molecule level.But fluorescent molecule is always necessary to take part into the catalysis directly in previous research.In order to study the single molecule electro-catalysis of non-fluorescent molecule（SMEC...

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Bibliographic Details
Published in:Chinese chemical letters 2015-12, Vol.26 (12), p.1514-1517
Main Authors: Li, Fei-Fei, Gu, Jun-Nan, Zhou, Xiao-Chun
Format: Article
Language:English
Subjects:
Electrochemistry
Microcell
Non-fluorescent molecule
Single molecule catalysis
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Summary:Single molecule catalysis is very powerful in revealing catalytic mechanism at the single molecule level.But fluorescent molecule is always necessary to take part into the catalysis directly in previous research.In order to study the single molecule electro-catalysis of non-fluorescent molecule（SMECNFM） on nanocatalyst, we couple the SMECNFM with a single molecule fluorescence reaction. A certain number of fluorescent molecules will be generated and detected when the SMECNFM happens. Through this method, we can detect the electro-oxidation reaction of one HCOONa molecule. The stability of Pt nanocatalyst supported on active carbon is studied at the single molecule level by this method. This paper also provides a general way to make ultra-sensitive sensor, and to study the SMECNFM for the molecules,such as formic acid, hydrogen, oxygen, etc., on single nanoparticle.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2015.09.013