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Proceedings Paper

Study on multi-quantum barriers for use in quantum well solar cells
Author(s): Linzhang Wu; Wei Tian; Xiaotao Jiang
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Paper Abstract

Quantum well solar cells (QWSC) extend the photon absorption edge beyond that of its bulk by incorporation of quantum wells in the i-region of a p-i-n device. When used in a QWSC, multi-quantum barriers (MQBs) can prevent the photo-generated electrons in the quantum well from leaking into p-side, and is therefore intended for a new method to reduce the dark current and enhance the photocurrent. Here we report on the performances of the MQBs for use in QWSC by dark current and photoluminescence measurement. It is found that the leakage possibility of the photo-generated electrons in the QW into p-side and thus the dark current is suppressed for solar cell with MQB compared with that without MQB.

Paper Details

Date Published: 8 December 2004
PDF: 4 pages
Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); doi: 10.1117/12.607905
Show Author Affiliations
Linzhang Wu, Wuhan Univ. of Science and Engineering (China)
Wei Tian, Wuhan Univ. of Science and Engineering (China)
Xiaotao Jiang, Wuhan Univ. of Science and Engineering (China)


Published in SPIE Proceedings Vol. 5774:
Fifth International Conference on Thin Film Physics and Applications
Junhao Chu; Zongsheng Lai; Lianwei Wang; Shaohui Xu, Editor(s)

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