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3 Electron Technology

3 2000

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The modified metallophthalocyanines : electron transport mechanism and gas sensing properties

Pochtenny A. E., Fedoruk G. G., Ilyushonok I. P., Misevich A. V.

Electron Technology

2000

Vol. 33, No. 1/2

145-152

The hopping conductivity of metallophthalocyanines is described. It is shown that the metallophthalocyanines modification by ion implantation and phthalocyanine-polymer composite fabrication can be used for investigation of electron transport mechanism and for improvement of phthalocyanine gas sensors.

The effect of gas adsorption on hopping conduction of metallophthalocyanines

Misevich A. V., Pochtenny A. E.

Electron Technology

2000

Vol. 33, No. 1/2

167-170

The dc conduction of the copper phthalocyanine and copper phthalocyanine-polystyrene composites was investigated in vacuum 0.1 Pa at temperature 20 ÷ 120°C. It is shown that the adsorbed oxygen and nitrogen dioxide molecules are the competitive impurities in matallophthalocyanines and cause the adsorption-resistive effect in these materials.

Structure and adsorption-resistive properties of copper-phthalocyanine-polymer thin films

Fedoruk G. G., Karapetyan O. E., Pochtenny A. E., Sagaidak D. I., Shulitzki B. G.

Electron Technology

2000

Vol. 33, No. 1/2

153-156

Using a vacuum method, copper phthalocyanine has been dispersed in thin polymer films. Plasma-synthesized polymer, polystyrene and polyimide were used as polymer matixes. The structure of phthalocyanine aggregate in the composite films has been investigated by optical absorption spectroscopy. The hopping mechanism of conductivity of the prepared composites has been identified at temperature 290 ÷ 350 K using ac conductivity. The influence of oxygen and NO₂ od de conductivity of composite films has been invetigated.