期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 463, 期 -, 页码 1-7出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2015.10.039
关键词
Quantum dots; Bioimaging probe; Luminescence; Tunable near-infrared emission; AgInSe2-ZnSe
资金
- Natural Science Foundation of China [51172042]
- Specialized Research Fund for Doctoral Program of Higher Education [20110075130001]
- Science and Technology Commission of Shanghai Municipality [13JC1400200]
- Shanghai Natural Science Foundation [15ZR1401200]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, Innovative Research Team in University [IRT1221]
- Program of Introducing Talents of Discipline to Universities [111-2-04]
- Fundamental Research Funds for Central Universities [2232014A3-06]
Efficient synthetic methods for near-infrared quantum dots with good biophysical properties as bioimaging agents are urgently required. In this work, a simple and fast synthesis of highly luminescent, near-infrared AgInSe2-ZnSe quantum dots (QDs) with tunable emissions in aqueous media is reported. This method avoids high temperature and pressure and organic solvents to directly generate water-dispersible AgInSe2-ZnSe QDs. The photoluminescence emission peak of the AgInSe2-ZnSe QDs ranged from 625 to 940 nm, with quantum yields up to 31%. The AgInSe2-ZnSe QDs with high quantum yield, near-infrared and low cytotoxic could be used as good cell labels, showing great potential applications in bio-imaging. (C) 2015 Elsevier Inc. All rights reserved.
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