期刊
DALTON TRANSACTIONS
卷 -, 期 35, 页码 4705-4707出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b808433e
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资金
- Japan Society for the Promotion of Science (JSPS) [19750139, 19350084]
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
A simple method for specific colorimetric sensing of aqueous mercury(II) has been developed by using a gold nanoparticle supported by triethylene glycol ligand (Au:S-EG3). The unusual kinetic behavior of the sensing process of Hg(2+) and the TEM images of the Au core, as well as the electrospray ionization mass spectroscopic analysis of the analyte solution, have led us to propose a new color changing mechanism that involves ligand abstraction from a gold surface by Hg(2+).
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