Bright far-red/near-infrared gold nanoclusters for highly selective and ultra-sensitive detection of Hg2+
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- 作者：Yan Zhang ; yanzhang@sxu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Jingjing JiangAuthor Vitae ; Min LiAuthor Vitae ; Pengfei GaoAuthor Vitae ; Lihong ShiAuthor Vitae ; Guomei ZhangAuthor Vitae ; Chuan DongAuthor Vitae ; Shaomin Shuang ; smshuang@sxu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Gold nanoclusters ; Far-red/near-infrared ; Photoluminescence ; Mercury ion
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：238
- 期：Complete
- 页码：683-692
- 全文大小：2797 K
文摘
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A simple one-pot microwave-assisted synthesis method of gold nanoclusters was developed by employing chicken egg white as reducing/capping reagent.
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The resultant AuNCs showed strong emission at 667 nm with quantum yield of 7.23%, large Stokes shift (>350 nm) and microsecond-scale lifetime.
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The EW@AuNCs probe exhibits remarkable selectivity and ultra-high sensitivity toward Hg2+ with a detection limit as low as 20 pM.