✦ LIBER ✦

Synthesis and characterisation of nanometre-sized CdS clusters in chitosan film

✍ Scribed by Sang Wenbin; Qian Yongbiao; Guan Xudong; Wu Wenhai; Liu Yinfeng; Zhang Kejian; Wang Jie; Hua Jiadong

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 419 KB
Volume: 6
Category: Article
ISSN: 1616-301X
DOI: 10.1002/(sici)1099-0712(199607)6:4<197::aid-amo240>3.0.co;2-l

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✦ Synopsis

A novel process using chitosan containing ligand groups as a medium for forming CdS clusters in chitosan films by an ion co-ordinate method has been investigated. The CdS clusters in the chitosan have been identified by X-ray diffraction and by their infrared, ultraviolet and visible absorption spectra and shown to possess high stability with a specific structure. Notable quantum size effects have been shown through their absorption spectra. By changing the reaction conditions, the wavelength edge of the absorption can be blue-shifted from 470 to 375 nm.

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