Influence Factors for the Synthesis of Water-soluble CdSe/CdS Core-shell Nanoparticles and Their Effects on the Spectral Characterization of CdSe/CdS

Acta Chimica Sinica ›› 2006, Vol. 64 ›› Issue (22): 2265-2270. Previous Articles Next Articles

Original Articles

水溶性CdSe/CdS核壳纳米粒子制备的影响因素及其对CdSe/CdS光谱特性的影响

梅芳¹, 何锡文¹, 李娟¹, 李文友*^,1, 张玉奎*^,1,2

(¹南开大学化学系天津 300071)
(²中国科学院大连化学物理研究所国家色谱研究分析中心大连 116011)

投稿日期:2005-11-19 修回日期:2006-04-29 发布日期:2006-11-28
通讯作者: 李文友

Influence Factors for the Synthesis of Water-soluble CdSe/CdS Core-shell Nanoparticles and Their Effects on the Spectral Characterization of CdSe/CdS

MEI Fang¹; HE Xi-Wen¹; LI Juan¹; LI Wen-You*^,1; ZHANG Yu-Kui*^,1,2

(¹Department of Chemistry, Nankai University, Tianjin 300071)
(² National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116011)

Received:2005-11-19 Revised:2006-04-29 Published:2006-11-28
Contact: LI Wen-You

Abstract

CdSe nanoparticles capped by CdS were synthesized in the aqueous solution at room temperature using cysteine (Cys) as the stabilizer. X-ray powder diffraction and transmission electron microscopy were used to analyze the core/shell nanoparticle structure and determine their average size, size distribution and shape. Fluorescence spectra were used to probe the effect of time, pH, quantity of shell, adding rate of shell precursors and the quantity of Cys on the spectral characterization of CdSe/CdS.

Key words: nanoparticle, core/shell structure, CdSe/CdS, cysteine

Cite this article

MEI Fang; HE Xi-Wen; LI Juan; LI Wen-You*^,1; ZHANG Yu-Kui*^,1,2. Influence Factors for the Synthesis of Water-soluble CdSe/CdS Core-shell Nanoparticles and Their Effects on the Spectral Characterization of CdSe/CdS[J]. Acta Chimica Sinica, 2006, 64(22): 2265-2270.

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水溶性CdSe/CdS核壳纳米粒子制备的影响因素及其对CdSe/CdS光谱特性的影响

Influence Factors for the Synthesis of Water-soluble CdSe/CdS Core-shell Nanoparticles and Their Effects on the Spectral Characterization of CdSe/CdS

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