Hydrothermal synthesis of highly luminescent CdTe quantum dots by adjusting precursors’ concentration and their conjunction with BSA as biological fluorescent probes |
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Authors: | Mengying Li Naizhi Wang Xiujuan Zhang |
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Affiliation: | Department of Chemistry, P.O. Box 332, Northeastern University, Shenyang 110004, China |
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Abstract: | A study on hydrothermal synthesis of CdTe quantum dots, highly luminescent nanocrystals at a relatively lower temperature, via changing the concentration of the CdTe precursors, is described. The full width at half maximum ranged from 40 to 80 nm and quantum yield (QY) was detected to be 27.4% at room temperature. The as-prepared CdTe QDs were labeled with BSA for fluorescence probes without pretreatment. Conjunction experimental results suggested that the as-prepared CdTe QDs are suitable for the application of biotechnology. |
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Keywords: | Quantum dots Precursor Photoluminescence intensity Biological fluorescent labeling |
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