The adsorption of gases on the surface of solid solutions and binary compounds of the GaSb-ZnTe system

Kirovskaya, I. A.; Novgorodtseva, L. V.; Vasina, M. V.

doi:10.1134/s0036024407090361

Cited by 2 publications

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“…11 proved useful, as they allowed us to identify the initial temperatures of reversible chemical adsorption (20-40°С), and the material most active in the joint presence of (NH 3 + NO 2 ) gas (NO 2 ). Similar behavior of NH 3 and NO 2 was observed on other diamond like semiconductors in [9,[12][13][14] …”

Section: A Kirovskaya and T N Filatovasupporting

confidence: 74%

Adsorption and electrophysical properties of semiconductors of the InSb-CdS system

Kirovskaya

Filatova

2012

Russ. J. Phys. Chem.

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Adsorption and the electrophysical properties (changes in electrical conductivity) of thin film solid solutions and binary components of the new InSb-CdS system are studied by means of piezoquartz microweighing, IR spectroscopy and probe compensation in the temperature range of 273-353 K and a range of adsorbate gas (NH 3 , NO 2 ) pressures of 0.2-9.8 Pa. The areas of physical and chemical adsorption accom panied by the charging of the (mostly positive) surface are determined. The mechanisms and regularities of adsorption as a function of external conditions and composition of the system are established, and certain similarities and patterns of changes in the adsorption and electroconductivity, and parallelisms of the "acidbase characteristic-composition," "adsorption characteristic-composition," and "electrophysical charac teristics-composition" dependences are described. These prove to be useful in studying the adsorption mechanism and in identifying the most active components of the system relative to NH 3 and NO 2 , proposed as materials for respective sensors/detectors.

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Section: A Kirovskaya and T N Filatovasupporting

confidence: 74%