Fluorescence Decay Lifetime of Ultrafine CdS and ZnS Particles

Chin. Phys. Lett.

1994, Vol. 11

Issue (2): 127-128 DOI:

Original Articles

Fluorescence Decay Lifetime of Ultrafine CdS and ZnS Particles

LI Xueping;FAN Changyu;ZHANG Zhenzong;XIAO Xurui

The Center of Photoelectrochemistry, Institute of Photographic Chemistry, Academia Sinica, Beijing 100101

Cite this article:

LI Xueping, FAN Changyu, ZHANG Zhenzong et al 1994 Chin. Phys. Lett. 11 127-128

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Abstract The fluorescence decay properties of CdS and ZnS ultrafine particles have been investigated by a single photon counting technique. We have found that the decay is dependent on the particle size, emission wavelength and colloidal sandwich structure. Shorter emission lifetimes were observed for smaller CdS particles and at shorter emission wavelength. The average emission lifetime of ZnS part in the sandwich structure of ZnS and CdS particles clearly decreased.

Keywords: 78.66.Hf

Published: 01 February 1994

PACS:

78.66.Hf

(II-VI semiconductors)

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URL:

https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I2/0127

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