Stable CdTe thin film solar cells with a MoO x  back‐contact buffer layer | Zendy

Yang Ruilong | Zendy; Wang Dezhao | Zendy; Jeng Mingjer | Zendy; Ho Kaiming | Zendy; Wang Deliang | Zendy

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Stable CdTe thin film solar cells with a MoO x back‐contact buffer layer

Author(s) -

Yang Ruilong,

Wang Dezhao,

Jeng Mingjer,

Ho Kaiming,

Wang Deliang

Publication year - 2016

Publication title -

progress in photovoltaics: research and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.286

H-Index - 131

eISSN - 1099-159X

pISSN - 1062-7995

DOI - 10.1002/pip.2645

Subject(s) - cadmium telluride photovoltaics , layer (electronics) , materials science , buffer (optical fiber) , solar cell , optoelectronics , schottky barrier , open circuit voltage , absorption (acoustics) , nanotechnology , voltage , composite material , electrical engineering , diode , engineering

MoO x thin films were employed as a buffer layer in the back contact of CdTe solar cells. A monograined CdS layer was employed as the window layer to reduce light absorption. The insertion of a MoO x buffer layer in the back contact greatly reduced the Schottky barrier leading to increased fill factor and open‐circuit voltage. A CdTe solar cell, with an efficiency as high as 14.2%, was fabricated. The use of a MoO x buffer layer made it possible to fabricate high‐efficient CdTe solar cell with much less Cu in the back contact, thus greatly enhancing the cell stability. Copyright © 2015 John Wiley & Sons, Ltd.

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