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

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

1.
State Key Laboratory of Rare Earth Materials Chemistry and Application, College of Chemistry and Molecular Engineering, Peking University, Beijing　100871

Received Date: 15 April 2002
Available Online: 15 January 2003

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.
- Nanocomposite;CdSe;Poly(4-vinylpyridine) quaternary ammonium;　Photoluminescence(PL);Energy transfer
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