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

Materials

Ben Minnaert¹ 

关键词: organic solar cells;    modeling;    tandem solar cells;    triple-junction solar cells;    multi-junction solar cells;    power conversion efficiency;    bandgap;    absorption window;   

DOI  :  10.3390/ma5101933

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
© 2012 by the authors; licensee MDPI, Basel, Switzerland.