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Title: Towards high efficiency thin film solar cells
Authors: Han, Guifang
Zhang, Sam
Boix, Pablo P.
Wong, Lydia Helena
Sun, Lidong
Lien, Shui-Yang
Keywords: Thin Film Solar Cell
Light Harvesting
Issue Date: 2017
Source: Han, G., Zhang, S., Boix, P. P., Wong, L. H., Sun, L., & Lien, S.-Y. (2017). Towards high efficiency thin film solar cells. Progress in Materials Science, 87, 246-291.
Series/Report no.: Progress in Materials Science
Abstract: As an alternative to single crystal silicon photovoltaics, thin film solar cells have been extensively explored for miniaturized cost-effective photovoltaic systems. Though the fight to gain efficiency has been severely engaged over the years, the battle is not yet over. In this review, we comb the fields to elucidate the strategies towards high efficiency thin films solar cells and provide pointers for further development. Starting from the photoelectron generation, we look into the fundamental issues in photoelectric conversion processes, including light harvesting and charge handling (separations, transportations and collections). The emerging organic-inorganic halide perovskite systems, as well as the rapidly developed polycrystalline inorganic systems, organic photovoltaics and amorphous silicon cells are discussed in details. The biggest bottleneck for the cost-effective polycrystalline inorganic cells is the composition sensitivity and deep defects; for amorphous silicon cells, it is the quantum of the dangling bonds; for organic cells, it is the low charge carrier mobility and high exciton binding energy; and for perovskite cells, it is the environmental degradation and the controversial mechanisms of generation of I-V hysteresis. Strategies of light harvesting and charge handling as well as directions to break the bottlenecks are pointed out.
ISSN: 0079-6425
DOI: 10.1016/j.pmatsci.2017.02.003
Rights: © 2017 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Progress in Materials Science, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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