Journal
NANOSCALE
Volume 10, Issue 34, Pages 15932-15937Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr05046e
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Funding
- National Key Research and Development Program of China [2016YFA0203101, 2016YFA0200400]
- National Natural Science Foundation of China [21622506, 21375073, 51571100, 21621003, 21235004, 21671142]
- Beijing municipal science and technology commission [Z171100001117135]
- Jiangsu Province Natural Science Fund for Distinguished Young Scholars [BK20160006]
- Program for JLU Science and Technology Innovative Research Team (JLUSTIRT) [2017TD-09]
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Herein, the ECL behaviors of precise mono-Cu+ ion doped Cd-In-S supertetrahedral chalcogenide nanoclusters (Cu@CdInS NCs) were investigated, and the effect of mono-Cu+ ions at the vacancy site of NCs on ECL emission performance was also elucidated. Precise mono-Cu+ ion doping not only induced new ECL emission at 596 nm with enhanced efficiency as high as 21.72% relative to [Ru(bpy)(3)](2+), but also improved acid tolerance of the ECL performances of NCs. In addition, a simple, fast and label-free dopamine ECL sensor with excellent selectivity was achieved.
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