Materials 2012, 5(10), 1933-1953; doi:10.3390/ma5101933
Article

Guidelines for the Bandgap Combinations and Absorption Windows for Organic Tandem and Triple-Junction Solar Cells

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Received: 23 August 2012; in revised form: 8 October 2012 / Accepted: 16 October 2012 / Published: 22 October 2012
(This article belongs to the Special Issue Photovoltaic Materials 2012)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Organic solar cells have narrow absorption windows, compared to the absorption band of inorganic semiconductors. A possible way to capture a wider band of the solar spectrum—and thus increasing the power conversion efficiency—is using more solar cells with different bandgaps in a row, i.e., a multi-junction solar cell. We calculate the ideal material characteristics (bandgap combinations and absorption windows) for an organic tandem and triple-junction solar cell, as well as their acceptable range. In this way, we give guidelines to organic material designers.
Keywords: organic solar cells; modeling; tandem solar cells; triple-junction solar cells; multi-junction solar cells; power conversion efficiency; bandgap; absorption window
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MDPI and ACS Style

Minnaert, B.; Veelaert, P. Guidelines for the Bandgap Combinations and Absorption Windows for Organic Tandem and Triple-Junction Solar Cells. Materials 2012, 5, 1933-1953.

AMA Style

Minnaert B, Veelaert P. Guidelines for the Bandgap Combinations and Absorption Windows for Organic Tandem and Triple-Junction Solar Cells. Materials. 2012; 5(10):1933-1953.

Chicago/Turabian Style

Minnaert, Ben; Veelaert, Peter. 2012. "Guidelines for the Bandgap Combinations and Absorption Windows for Organic Tandem and Triple-Junction Solar Cells." Materials 5, no. 10: 1933-1953.

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