Features of the photoconductivity of iodine-doped cotton fibers illuminated in the fundamental absorption range
A. T. MamadalimovNational University of Uzbekistan, Tashkent, UzbekistanB. L. OksegendlerNational University of Uzbekistan, Tashkent, UzbekistanSh.O. OtazhonovNational University of Uzbekistan, Tashkent, UzbekistanB.Eh. TuraevNational University of Uzbekistan, Tashkent, UzbekistanT. A. UsmanovNational University of Uzbekistan, Tashkent, UzbekistanN. K. KhakimovaNational University of Uzbekistan, Tashkent, UzbekistanZh. A. KadirovNational University of Uzbekistan, Tashkent, Uzbekistan
ABI
Abstract
The photoelectric properties of cotton fibers treated with iodine were studied in the fundamental absorption range. The samples exhibit a sublinear illumination-current characteristic and a long-term relaxation of photoconductivity (PC) after UV irradiation (hν=5 eV) of the iodine-doped fibers. A PC mechanism is proposed which explains both the nonlinear variation of photocurrent with illumination intensity and the PC decay according to a bimolecular recombination law after UV irradiation of the iodine-doped fiber in the fundamental absorption range.
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