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|Title:||Microwave-assisted synthesis of water-dispersed CdTe nanocrystals with high luminescent efficiency and narrow size distribution|
|Citation:||He, Y., Sai, L.-M., Lu, H.-T., Hu, M., Lai, W.-Y., Fan, Q.-L., Wang, L.-H., Huang, W. (2007-02-06). Microwave-assisted synthesis of water-dispersed CdTe nanocrystals with high luminescent efficiency and narrow size distribution. Chemistry of Materials 19 (3) : 359-365. ScholarBank@NUS Repository. https://doi.org/10.1021/cm061863f|
|Abstract:||Water-dispersed nanocrystals with high photoluminescence quantum yield (PLQY) and narrow size distribution are desirable for a variety of bioapplications. In this report, we present a facile method assisted by microwave irradiation for rapidly synthesizing high-quality CdTe nanocrystals in aqueous phase. The PLQY of CdTe nanocrystals prepared in very short time (15 min) reaches as high as 82%, and the fwhm value is merely 27 nm meanwhile. Moreover, the PLQY is increased to a remarkable 98% after further amelioration through the illumination method. The key synthesis parameters (molar ratio of reagents, pH values, reaction temperature, and time) are fully discussed, and the optimum conditions are illuminated in this paper. In addition, the mechanism about microwave irradiation improving the quality of nanocrystals is discussed as well. © 2007 American Chemical Society.|
|Source Title:||Chemistry of Materials|
|Appears in Collections:||Staff Publications|
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