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A. F. QASRAWI1,2,* , MADLEEN A. AL-BALSHI1, N. M. GASANLY3
A new type of photovoltaic materials, which are designed on the base of In6S7 single crystals using silver and gold metals to construct Ag/In6S7/Au point contacted photocells, are reported and discussed. The influence of the driving electric field on the performance of the device was tested. The current density-electric field dependence curve reflected a space charge limited photocurrent effect being dominant in the field region of 1.0-4.3 V/cm. In addition, the In6S7 photocell short circuit and loaded current dependencies on the excitation intensity were measured. The short circuit current was observed to exhibit exponential trap distribution effect and supralinear recombination at low and high illumination intensities, respectively. The device displays a current density of 0.5 mA/cm2 for excitation intensity of 76 klux. When loaded, it displayed a stable power dissipation curve. Such behavior reflects the novelty of these types of cells for future application..
Solar energy, In6S7, Photo-space charge, Recombination.
A. F. QASRAWI, MADLEEN A. AL-BALSHI, N. M. GASANLY, Driving electric field effects on the space charge limited photocurrent of In6S7, Optoelectronics and Advanced Materials - Rapid Communications, 7, 1-2, January-February 2013, pp.137-140 (2013).
Submitted at: July 23, 2012
Accepted at: Feb. 20, 2013
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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