Journal
DALTON TRANSACTIONS
Volume 46, Issue 41, Pages 14251-14255Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7dt02193c
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Funding
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Natural Science Foundation of SZU [2017004]
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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 degrees 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.
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