纳米CdSe与聚4-乙烯基吡啶盐的复合与表征

doi:10.3866/PKU.WHXB20030103

Acta Phys. -Chim. Sin. ›› 2003, Vol. 19 ›› Issue (01): 9-12.doi: 10.3866/PKU.WHXB20030103

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Synthesis and Characterization of CdSe/Poly (4-vinylpyridine) Quaternary Ammonium Nanocomposite

Song Hui-Hua;Fang Zhen;Guo Hai-Qing

State Key Laboratory of Rare Earth Materials Chemistry and Application, College of Chemistry and Molecular Engineering, Peking University, Beijing　100871

Received:2002-04-15 Revised:2002-06-07 Published:2003-01-15
Contact: Guo Hai-Qing E-mail:guohq@pku.edu.cn

Abstract

Abstract: A stable CdSe nanoparticle hydrosol was prepared upon addition of mercaptoacetic acid as a stabilizer. A nanocomposite was formed based on electrostatic interactions by poly (4-vinylpyridine) quaternary ammonium with CdSe nanoparticle. The formation of nanocomposite was confirmed and characterized by infrared spectrum (IR), inductively coupled plasma atomic emission spectroscopy (ICP-AES), transmission electron microscopy (TEM),UV-Vis spectrophotomery (UV-Vis), photoluminescence (PL) spectrophotometry, etc.The dispersive property and luminescence intensity of CdSe nanocrystals were improved and increased by the formation of the composite.

Key words: Nanocomposite, CdSe, Poly(4-vinylpyridine) quaternary ammonium, 　Photoluminescence(PL), Energy transfer

Song Hui-Hua;Fang Zhen;Guo Hai-Qing. Synthesis and Characterization of CdSe/Poly (4-vinylpyridine) Quaternary Ammonium Nanocomposite[J]. Acta Phys. -Chim. Sin. 2003, 19(01), 9-12. doi: 10.3866/PKU.WHXB20030103

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Synthesis and Characterization of CdSe/Poly (4-vinylpyridine) Quaternary Ammonium Nanocomposite

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