期刊
DALTON TRANSACTIONS
卷 41, 期 5, 页码 1630-1634出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1dt11415h
关键词
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资金
- National Natural Science Foundation of China [21075018]
- Natural Science Funds for Distinguished Young Scholar of Fujian Province, China [2009J06003]
It was found that stannous chloride (SnCl2), as a popular inorganic reducing reagent, could obviously enhance the electrochemiluminescence (ECL) of tris(2,2'-bipyridyl) ruthenium(II) (Ru(bpy)(3)(2+)) in aqueous solution. Some factors affecting the ECL reactions between Ru(bpy)(3)(2+) and Sn2+, including pH, concentrations of coreactant, and electrode materials, were investigated by comparison with a classic ECL coreactant tripropylamine (TPA). The Ru(bpy)(3)(2+)-Sn2+ ECL coreactant system produces stronger and more stable ECL signals, can keep its excellent ECL activity over a wider pH range and has more choices in using electrode materials than the Ru(bpy)(3)(2+)-TPA ECL coreactant system. The ECL mechanism of the Ru(bpy)(3)(2+)-Sn2+ coreactant system was also studied in detail.
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