Kesterite Successes, Ongoing Work, and Challenges: A Perspective From Vacuum Deposition

Recent years have seen dramatic improvements in the performance of kesterite devices. The existence of devices of comparable performance, made by a number of different techniques, provides some new perspective on what characteristics are likely fundamental to the material. Here, we review progress i...

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Bibliographic Details
Published in:IEEE journal of photovoltaics 2013-01, Vol.3 (1), p.439-445
Main Authors: Repins, Ingrid L., Romero, Manuel J., Li, Jian V., Su-Huai Wei, Kuciauskas, Darius, Chun-Sheng Jiang, Beall, Carolyn, DeHart, Clay, Mann, Jonathan, Wan-Ching Hsu, Teeter, Glenn, Goodrich, Al, Noufi, Rommel
Format: Article
Language:English
Subjects:
Cu _{2} ZnSnS _{4} (CZTS)
earth
Grain boundaries
kesterite
Performance evaluation
Photonic band gap
photovoltaic
Photovoltaic cells
Photovoltaic systems
Temperature measurement
thin film
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Summary:Recent years have seen dramatic improvements in the performance of kesterite devices. The existence of devices of comparable performance, made by a number of different techniques, provides some new perspective on what characteristics are likely fundamental to the material. Here, we review progress in kesterite device fabrication, aspects of the film characteristics that have yet to be understood, and challenges in device development that remain for kesterites to contribute significantly to photovoltaic manufacturing. Performance goals, as well as characteristics of midgap defect density, free carrier density, surfaces, grain boundaries, grain-to-grain uniformity, and bandgap alloying are discussed.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2012.2215842