On the opportunity of an increased degree of stability of parameters and characteristics of IR photoreceivers based on Mo/CdS1-xSex

A. Sh. Abdinov; H. M. Mamedov; H. A. Hasanov

doi:10.1117/12.628874

7 June 2005 On the opportunity of an increased degree of stability of parameters and characteristics of IR photoreceivers based on Mo/CdS_1-xSe_x

A. Sh. Abdinov, H. M. Mamedov, H. A. Hasanov

Author Affiliations +

Proceedings Volume 5834, 18th International Conference on Photoelectronics and Night Vision Devices; (2005) https://doi.org/10.1117/12.628874
Event: 18th International Conference on Photoelectronics and Night Vision Devices and Quantum Informatics 2004, 2004, Moscow, Russian Federation

Abstract

The processes of photochemical reorganization of deep levels of the photoactive centers in films CdS_1-xSe_x (0 ≤ x ≤ 0.8) prepared onto molybdenum substrates by the method of electrochemical deposition were investigated. It is established that thermal annealing of investigated films in air at T_a=380 ÷400°C for τ_a=7÷8 min leads to occurrence of new longwavelength maximum in the photosensitivity spectrum at λ=0.95-1.15 μm (depending on the selenium content) which is due to oxygen-containing photoactive centers forming at disintegration of (V_Cd-Cd_i)⁺ pairs. The mechanism of formation and disintegration of donor-acceptor pairs have been proposed and basic parameters of complex centers formed at thermal annealing were determined by the method of photocapacitance and photoconductivity spectroscopy.

Citation Download Citation

A. Sh. Abdinov, H. M. Mamedov, and H. A. Hasanov "On the opportunity of an increased degree of stability of parameters and characteristics of IR photoreceivers based on Mo/CdS_1-xSe_x", Proc. SPIE 5834, 18th International Conference on Photoelectronics and Night Vision Devices, (7 June 2005); https://doi.org/10.1117/12.628874

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