Title :
Lead sulphide/phthalocyanine nanocomposite spun films
Author :
Nabok, Alexei V. ; Ray, Asim K. ; Cook, Michael J. ; Burnham, P.M. ; Iwantono ; Yanuar, H. ; Simmonds, Mike ; Basova, Tamara V.
Author_Institution :
Sch. of Eng., Sheffield Hallam Univ., UK
Abstract :
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.
Keywords :
IV-VI semiconductors; Raman spectra; X-ray photoelectron spectra; atomic force microscopy; lead compounds; nanocomposites; nanoparticles; organic semiconductors; particle size; photoluminescence; semiconductor thin films; spectral line shift; surface morphology; 2.24 nm; PbS; Raman spectroscopy; UV-visible absorption; X-ray photoelectron spectroscopy; atomic force microscopy; blue spectral shift; film morphology; lead sulphide clusters size; lead sulphide-phthalocyanine nanocomposite spun films; lipophilic lead phthalocyanine derivative; photoluminescence spectra; Atomic force microscopy; Atomic measurements; Electromagnetic wave absorption; Force measurement; Lead; Morphology; Photoluminescence; Raman scattering; Spectroscopy; Transistors; Excitons; Raman spectra; luminescence; nanoparticle; organic dyes;
Journal_Title :
Nanotechnology, IEEE Transactions on
DOI :
10.1109/TNANO.2004.834155
