Synthesis and Luminescence Properties of Thionalid-stabilized CdS Nanoparticles

Abstract

Abstract: The thionalid-stabilized CdS nanoparticles (named as CdS/thionalid) have been synthesized in methanol by colloidal solution method. The images of TEM demonstrate that the average size of CdS/ thionalid nanoparticles is about 10 nm. Spectra of absorption and fluorescence show that both the ratio of [S^2-]/[TN] and concentrations of thionalid and cadmium ion have influence on the size and luminescence properties of the nanoparticles. On varying experimental conditions, the maximum emission wavelength of CdS/thionalid nanoparticles has the largest red shift of 100 nm, and quantum confinement effect can be obviously observed. Values of XPS confirm that the core of CdS/thionalid nanoparticles is CdS.

Key words: Cadmium sulfide, Nanoparticle, Thionalid, Luminescence properties

CLC Number:

O614

TrendMD:

WEI Fang-Di, YU Jun-Sheng. Synthesis and Luminescence Properties of Thionalid-stabilized CdS Nanoparticles[J]. Chem. J. Chinese Universities, 2003, 24(5): 884.

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Synthesis and Luminescence Properties of Thionalid-stabilized CdS Nanoparticles

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