Selective deposition of HgS at the corner sites of triangular silver nanoprism and its tunable LSPR for colorimetric Hg2+ detection
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- 作者：Shu Chen ; chenshumail@gmail.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Jian TangAuthor Vitae ; Yangfang KuangAuthor Vitae ; Lili FuAuthor Vitae ; Fangfang MaAuthor Vitae ; Yuanyuan YangAuthor Vitae ; Guanfan ChenAuthor Vitae ; Yunfei Long ; l_yunfei927@163.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Triangular silver nanoprism ; Hg2+ ; LSPR ; HgS ; Colorimetric detection
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2015
- 出版时间：31 December 2015
- 年：2015
- 卷：221
- 期：Complete
- 页码：1182-1187
- 全文大小：1541 K
文摘
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Colorimetric sensing strategy for Hg2+ using unmodified triangular Ag nanoprism.
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Thiosulfate anion (S2O32−) performed as both etching and precipitant agent.
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Deposition of insoluble HgS at the three corner sites of Ag nanoprism.
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Good selectivity and high sensitivity allow the environmental Hg2+ detection.