| 光谱学与光谱分析 |
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| Preparation and Spectral Properties of PVP-Modified CdS Nanorods |
| YUAN Qiu-li1，NIE Qiu-lin1，2，CHEN Wei-xiang2，XU Zhu-de2 |
1. Department of Applied Physics, School of Science and Art, Hangzhou Institude of Electronic Engineering, Hangzhou 310037, China
2. Department of Chemistry, Zhejiang University, Hangzhou 310027, China |
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Abstract Polyvinylpyrrolidone(PVP)-modified CdS nanorods were prepared by a hydrothermal reaction of CdCl2·2.5H2O and (NH4)2S with 10 wt% ethylenediamine aqueous solution as solvent and 1.0 wt% PVP as additives. The obtained products were characterized by means of XRD，TEM，IR，DTA-TG，UV-Vis and PL spectroscopies. The surface-modified CdS nanorods showed narrow size distribution and enhanced luminescence property compared with that of the unmodified ones. The UV-Vis spectra exhibited a structure peak. These results were attributed to the surface passivation of the CdS nanorods by the PVP molecules.
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Received: 2003-09-16
Accepted: 2003-12-28
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Corresponding Authors:
YUAN Qiu-li
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| Cite this article: |
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YUAN Qiu-li,NIE Qiu-lin,CHEN Wei-xiang, et al. Preparation and Spectral Properties of PVP-Modified CdS Nanorods[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 971-974.
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https://www.gpxygpfx.com/EN/Y2005/V25/I06/971 |
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