Vapour pressure of tetra-tert-butyl substituted phthalocyanines

PLYASHKEVICH, V., BASOVA, T., SEMYANNIKOV, P. and HASSAN, A. K. (2010). Vapour pressure of tetra-tert-butyl substituted phthalocyanines. Thermochimica Acta, 501 (1-2), 108-111.

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Abstract

In this work, the results of mass spectrometric studies of the composition of gaseous phase under solid compounds of tetra-tert-butyl substituted phthalocyanines MPc(t-Bu)(4), with M = Cu(II), VO are presented. The vapour pressure of this phthalocyanine is determined as a function of temperature by the Knudsen effusion method, in which the rate of effusion of the equilibrium vapour through a small orifice is measured. It is shown that these tetra-tert-butyl-phthalocyanines exhibit higher volatility than their unsubstituted analogues. Such data are needed in order to improve the operating conditions of the growth of thin films by OMBD. The investigation of structural features of MPc(t-Bu)(4) films was carried out using UV-vis spectral and XRD data. (C) 2010 Elsevier B.V. All rights reserved.

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:	10.1016/j.tca.2010.01.019
Depositing User:	Helen Garner
Date Deposited:	03 Jun 2010 11:50
Last Modified:	03 Jun 2010 11:50
URI:	http://shura.shu.ac.uk/id/eprint/1998

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