Silica nanoparticles doped with an iridium(III) complex for rapid and fluorometric detection of cyanide
作者： Juanjuan Mu , Qingyue Feng , Xiudan Chen , Jing Li , Huili Wang
DOI: 10.1007/S00604-015-1626-1
关键词: Iridium 、 Chemistry 、 Quinoline 、 Nanochemistry 、 Detection limit 、 Inorganic chemistry 、 Doping 、 Chlorine 、 Chloride 、 Cyanide
摘要: We describe a nanosensor for sensitive and selective detection of cyanide anions. The Ir(III) chlorine bridge complex [Ir(C^N)2-m-Cl]2 (Irpq, where pq is C^N = 2-phenyl quinoline) was doped into silica nanoparticles (SiNPs) with typical size about 30 nm. intensity the yellow emission SiNPs (under 410 nm exCitation) strongly enhanced on addition ions due to replacement chloride by cyanide. method can detect in 12.5 113 μM concentration range, limit 1.66 (at an S/N ratio 3). simple, fast, this makes it candidate probe fast optical determination
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