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Size and shape regulated synthesis of silver nanocapsules for highly selective and sensitive ultralow bivalent copper ion sensor application

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Abstract

The development of highly robust, quantitative, sensitive and naked eye colorimetric sensing of bivalent copper ions using bio-inspired synthesis of size and shape controlled silver nanocapsules (AgNCs) is reported herein. By carefully adjusting the reaction conditions, size and shape control over the resulting AgNCs can be realized, with a regulated size (10 nm) and shape (capsules). Such facile, one-pot and eco-friendly synthesized AgNCs with controlled size and shape sense selectively and sensitively the Cu2+ ion in industrial effluents with an ultralow detection limit of 2.6 × 10−9 mol L−1. The formation and sensing mechanism of the AgNCs are demonstrated and discussed. The proposed method was successfully utilized for the determination of Cu2+ in different water samples.

Graphical abstract: Size and shape regulated synthesis of silver nanocapsules for highly selective and sensitive ultralow bivalent copper ion sensor application

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Publication details

The article was received on 07 Jan 2017, accepted on 25 Mar 2017 and first published on 19 Apr 2017


Article type: Paper
DOI: 10.1039/C7NJ00084G
Citation: New J. Chem., 2017, Advance Article
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    Size and shape regulated synthesis of silver nanocapsules for highly selective and sensitive ultralow bivalent copper ion sensor application

    B. Vellaichamy and P. Periakaruppan, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ00084G

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