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Fabrication and investigation photosensitive of Graphite/PEDOT:PSS/n-CdZnTe organic-inorganic heterojunction

Publication at Faculty of Mathematics and Physics |
2021

Abstract

This paper reports the results of an investigation of the electrical and photoelectrical properties of the Graphite/PEDOT:PSS/n-CdZnTe organic-inorganic heterojunction formed by the deposition of thin films PEDOT:PSS on CdZnTe substrates. The Cd1-xZnxTe solid solution with low Zn content was grown by the Bridgman method at low cadmium vapor pressure and had a low resistivity rho approximate to 10(2) Ohm.cm.

The values of the series resistance Rs and shunt resistance Rsh of the Graphite/PEDOT:PSS/n-CdZnTe organic-inorganic heterojunction were determined from the dependence of their differential resistance Rdif. The temperature dependencies of the height of the potential barrier of the Graphite/PEDOT:PSS/n-CdZnTe organic-inorganic heterojunction was determined from the I-V characteristics.

The dominating current transport mechanisms through the Graphite/PEDOT:PSS/n-CdZnTe organic-inorganic heterojunctions were determined.