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1. Preparation and Gas Sensing Properties of Novel CdS-Supramolecular Organogel Hybrid Films | |||
Xia Huiyun,Peng Junxia,Liu Kaiqiang,Fang Yu | |||
Chemistry 27 December 2007 | |||
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Abstract:A novel CdS-supramolecular organogel hybrid film with an unusual surface morphology has been fabricated by exposing a supramolecular organogel film containing Cd(Ac)2 in an H2S atmosphere at room temperature. The organogel film was prepared by spin-coating a LMOG (low-molecular mass organic gelator) gel of dmethyl sulfoxide (DMSO) onto a glass plate substrate. XRD, SEM, EDS, TG-DTA, UV-vis, PL (photoluminescence) spectroscopy and PL lifetime measurements were employed to characterize the film. It was shown that the organogel film had functioned as a template to control the morphology of the final hybrid film. The quantities and sizes of the CdS particles embedded in the organogel film can be easily altered by varying the initial concentration of Cd(Ac)2. Importantly, the PL of the hybrid film is very sensitive to the presence of some organic monoamines and diamines. The selectivity and reversibility of the sensing process were investigated. | |||
TO cite this article:Xia Huiyun,Peng Junxia,Liu Kaiqiang, et al. Preparation and Gas Sensing Properties of Novel CdS-Supramolecular Organogel Hybrid Films[OL].[27 December 2007] http://en.paper.edu.cn/en_releasepaper/content/17456 |
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