Novel colorimetric detection probe for copper(II) ions based on triphenylamine mixed-valence chromophores bearing prodigious two-photon absorption activity
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- 作者：Dandan LiAuthor Vitae ; Xianshun SunAuthor Vitae ; Mingming WangAuthor Vitae ; Han YuAuthor Vitae ; Hongping ZhouAuthor Vitae ; Jieying WuAuthor Vitae ; Yupeng Tian ; yptian@ahu.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Triphenylamine ; Mixed-valence ; Two-photon absorption ; Colorimetric probe ; Naked eye ; Copper ion
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2015
- 出版时间：1 December 2015
- 年：2015
- 卷：220
- 期：Complete
- 页码：1006-1016
- 全文大小：4094 K
文摘
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The maximum value of the 2PA cross-section for T4 can reach up to 12,272 GM in the near-IR range.
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A simple device was fabricated using T4 for “naked eye” detection of Cu2+.
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The naked eye detection limit observed here for Cu2+ is as low as 0.01 μM.