%0 Journal Article %T Effect of Heat Treatment Conditions on Photo sensitivity of CdSexS1-x Polycrystalline Films %A Nosirjon Khaydarovich Yuldashev %A Dilkhumor Tolibjonovna Mamadieva %A Valijon Tulqinovich Mirzaev %A Dadahon Sherquzievich Xidirov %J Journal of Applied Mathematics and Physics %P 3208-3217 %@ 2327-4379 %D 2022 %I Scientific Research Publishing %R 10.4236/jamp.2022.1010213 %X The influence of thermal treatment on the lux-ampere characteristics of polycrystalline films from the CdSe_xS_1-x solid solution obtained by the method of thermal evaporation in a vacuum has been investigated. It is shown that at low illumination intensities L < 2 lx, the mobility ¦Ě of electrons increases with a power law ¦Ě ~ L^¦Ă, first with the exponent ¦Ă > 1, then with ¦Ă ˇÖ 0.5, and their concentration n almost does not change. Starting from the intensity L > 12 - 15 lx, the electron concentration increases strongly n ~ L^¦Â from ¦Â ˇÖ 3.0, and the parameters n and ¦Ě reach relatively high values ~(10¹⁵ - 10¹⁶) sm^-3 and ~(150 - 200) sm²/V·s, however further, at L > 50 lx, a weak dependence of n(L) and ¦Ě(L) with ¦Â, ¦Ă < 1.0 is found. The obtained experimental results are interpreted on the basis of a model of a semiconductor film with intergranular potential barriers when the concentration and barrier mechanisms of photoconductivity operate simultaneously. %K Solid Solutions CdSe< %K sub> %K < %K i> %K x< %K /i> %K < %K /sub> %K S< %K sub> %K 1-< %K i> %K x< %K /i> %K < %K /sub> %K Polycrystalline Thin Film %K Photoconductivity %K Ther-mal Treatment %K Lux-Ampere Characteristic %K Photocurrent %K Light Intensity %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=120785