Electron beam stimulated formation of CdS nanoparticles within calixarene Langmuir-Blodgett films

NABOK, A. V., RAY, A. K. and HASSAN, A. K. (2000). Electron beam stimulated formation of CdS nanoparticles within calixarene Langmuir-Blodgett films. Journal of Applied Physics, 88 (3), 1333-1338.

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Link to published version:: 10.1063/1.373877

Abstract

Two possible types of cadmium sulphide (CdS) nanostructures can be formed within Langmuir-Blodgett (LB) films of calixarene Cd salt as a result of exposure to H2S gas: nanoclusters with the size of about 1.5 nm or two-dimensional planes with the thickness of about 1.7 nm. Transmission electron microscopy and electron diffraction studies on calixarene/CdS LB films show that CdS particles are not present in the fresh samples at the beginning, but they are gradually formed under exposure to a high energy electron beam. A blueshift of the first exciton absorption band and an increase of the extinction coefficient, caused by exposure to H2S gas, were found with UV-visible optical spectroscopy and surface plasmon resonance, respectively. (C) 2000 American Institute of Physics. [S0021- 8979(00)07015-8].

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1063/1.373877
Depositing User: Ann Betterton
Date Deposited: 01 Apr 2010 16:33
Last Modified: 01 Apr 2010 16:33
URI: http://shura.shu.ac.uk/id/eprint/1422

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