Journal
NANOTECHNOLOGY
Volume 27, Issue 42, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/27/42/425602
Keywords
Pt-16-nanoclusters; bovine serum albumin; ultrasonic-assistance; fluorescence; sulfide ion detection
Funding
- NSFC [21373101, 21003061, 91027027]
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University
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Highly fluorescent (quantum yield, QY = 17%) Pt-16-nanoclusters (Pt-16-NCs@BSA) have been prepared via a one-step ultrasonic-assistance method by using cheap and easily available ascorbic acid as reductant and bovine serum albumin (BSA) as a stabilizing agent in aqueous solution. The fluorescence properties of the Pt-NCs@BSA can be easily controlled by optimizing conditions, and the products are extremely stable and could be used for the detection of sulfide ions (S2-) in solutions as a specific luminescence sensor. The present synthesis method is performed in one step, being cost-effective with a particularly short reaction time, which could be extended to the synthesis of other kinds of protein-protected Pt-NCs.
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