Highly sensitive and colorimetric detection of hydrogen sulphide by in situ formation of Ag2S@Ag nanoparticles in polyelectrolyte multilayer film

Fu Hongxia; Duan Xinrui

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Highly sensitive and colorimetric detection of hydrogen sulphide by in situ formation of Ag2S@Ag nanoparticles in polyelectrolyte multilayer film

机译：通过在聚电解质多层膜中原位形成Ag2S @ Ag纳米颗粒高灵敏和比色法检测硫化氢

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Ag2S nanoparticles (NPs) were formed by reacting Ag+ ions with H2S gas in a polyelectrolyte multilayer film. Ag2S NPs later catalyse the formation of Ag NPs. H2S (when as low as 10 nM Na2S was used as a donor) was sensitively detected by monitoring the UV-vis absorbance of the newly formed Ag NPs.

机译：通过使Ag +离子与H2S气体在聚电解质多层膜中反应，形成Ag2S纳米颗粒（NPs）。 Ag2S NPs随后催化Ag NPs的形成。通过监测新形成的银纳米颗粒的紫外可见吸收，可以灵敏地检测出硫化氢（当使用低至10 nM的硫化钠作为供体时）。

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《RSC Advances》 |2015年第5期|共4页
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Fu Hongxia; Duan Xinrui;
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中图分类化学;
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1. Highly sensitive and colorimetric detection of hydrogen sulphide by in situ formation of Ag2S@Ag nanoparticles in polyelectrolyte multilayer film [J] . Fu Hongxia, Duan Xinrui RSC Advances . 2015,第5期

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Highly sensitive and colorimetric detection of hydrogen sulphide by in situ formation of Ag2S@Ag nanoparticles in polyelectrolyte multilayer film

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