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Lead sulphide/phthalocyanine nanocomposite spun films

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8 Author(s)
Nabok, A.V. ; Sch. of Eng., Sheffield Hallam Univ., UK ; Ray, A.K. ; Cook, Michael J. ; Burnham, P.M.
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Composite lead sulphide/phthalocyanine thin films were produced for the first time by exposure of thin spun films of a lipophilic lead phthalocyanine derivative to H2S gas. The formation of lead sulphide was confirmed by Raman and X-ray photoelectron spectroscopy measurements. UV-visible absorption and photoluminescence spectral measurements as well as a film morphology study using atomic force microscopy indicate the formation of lead sulphide clusters. From the blue spectral shift of the fundamental adsorption band, the size of the PbS clusters was estimated to be 2.24 nm.

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Nanotechnology, IEEE Transactions on  (Volume:3 ,  Issue: 3 )