Simulation Study on the Open-Circuit Voltage of Amorphous Silicon p-i-n Solar Cells Using AMPS-1D

Автори B.M. Omer1,2 , F.A. Mohammed3, A. Seed Ahmed Mahgoub2,4
Приналежність

1 Department of Physics, College of Science and Arts-Ranyah, Taif University, Ranyah - Kingdom Saudi Arabia

2 Department of Applied Physics and Mathematics, Faculty of Applied Science and Computer, Omdurman Ahlia University, P.O. Box 786, Omdurman - Sudan

3 Department of Mathematics and Physics, Faculty of Education, University of Kassala, Kassala - Sudan

4 Department of Physics, Faculty of Education, University of Khartoum, P.O.Box 406, Khartoum - Sudan

Е-mail bushra_omer4@yahoo.com
Випуск Том 6, Рік 2014, Номер 1
Дати Одержано 22.09.2013, опубліковано online - 06.04.2014
Посилання B.M. Omer, F.A. Mohammed, A. Seed Ahmed Mahgoub, J. Nano- Electron. Phys. 6 No 1, 01006 (2014)
DOI
PACS Number(s) 78.20.Bh, 73.40.Lq
Ключові слова AMPS-1D (10) , Modeling (20) , Amorphous Silicon solar cell, Open-circuit voltage.
Анотація AMPS-1D (Analysis of Microelectronic and Photonic Structure) simulation program was used to simulate Amorphous Silicon p-i-n Solar Cell. The simulated result of illuminated current density-voltage characteristics was in a good agreement with experimental values. The dependence of the open-circuit voltage on the characteristics of the a-Si:H intrinsic layer was investigated. The simulation result shows that the open-circuit voltage does not depend on the thickness of the intrinsic layer. The open-circuit voltage decreases when the front contact barrier height is small or the energy gap of the intrinsic layer is small. The open-circuit voltage increases when the distribution of the tail states is sharp or the capture cross sections of these states are small.

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