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Citation: Zhang Yu, Fu De-Gang, Cai Jian-Dong, Zhu Chun-Xia, Liu Ju-Zheng, Lu Zu-Hong. Surface-modification of CdS Nanoparticle and its Optical Properties[J]. Acta Physico-Chimica Sinica, ;2000, 16(05): 431-436. doi: 10.3866/PKU.WHXB20000511 shu

Surface-modification of CdS Nanoparticle and its Optical Properties

1.
Department of Chemistry and Chemical Engineering,National Laboratory of Molecular and Biomolecutar Electronics,Southeast University,Nanjing 210096

Received Date: 13 September 1999
Available Online: 15 May 2000

The surface-modified CdS nanoparticle (named as CdS/AOTSO- 3) with surfactant, AOT, was synthesized by reverse micelle method. The fluorescence properties and photolysis behavior of this CdS were studied in heptane and pyridine. The results show that the fluorescence of the CdS nanoparticle is intense in heptane, but is strongly quenched by pyridine. These results are explained by the charge-transfer quenching mechanism. The viewpoint is also further proved by the photolysis experiments of the CdS nanoparticle in pyridine.
- CdS nanoparticle,
- Surface-modification,
- Fluorescence quenching,
- Photolysis
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