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Synthesis of ultra – stable copper nanoclusters and their potential application as a reversible thermometer

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Abstract

A new strategy for the synthesis of luminescent copper nanoclusters (Cu NCs), by virtue of the reduction of Cu2+ using ascorbic acid and the protection of polyvinylpyrrolidone at 75 °C, was reported. Blue emitting Cu NCs with photoluminescence (PL) quantum yield of 12% and high stability up to at least 1 month were obtained. Moreover, the PL of Cu NCs showed a reversible response to temperature, and a linear relationship between PL intensity and temperature even after 10 cycles of repeated heating and cooling process was obtained, indicating great potential application in thermal sensors.

Graphical abstract: Synthesis of ultra – stable copper nanoclusters and their potential application as a reversible thermometer

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Publication details

The article was received on 16 Jun 2017, accepted on 22 Sep 2017 and first published on 25 Sep 2017


Article type: Paper
DOI: 10.1039/C7DT02193C
Citation: Dalton Trans., 2017, Advance Article
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    Synthesis of ultra – stable copper nanoclusters and their potential application as a reversible thermometer

    Y. Shi, S. Luo, X. Ji, F. Liu, X. Chen, Y. Huang, L. Dong and L. Wang, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT02193C

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