Organic and solution-processed tandem solar cells with 17.3% efficiency

Though organic photovoltaic cells (OPVs) have many advantages, their performance still lags far behind that of other photovoltaic platforms. One of the most fundamental reasons for this is the low charge mobility of organic materials, leading to a limit on the active layer thickness and efficient li...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2018-09, Vol.361 (6407), p.1094-1098
Main Authors: Meng, Lingxian, Zhang, Yamin, Wan, Xiangjian, Li, Chenxi, Zhang, Xin, Wang, Yanbo, Ke, Xin, Xiao, Zuo, Ding, Liming, Xia, Ruoxi, Yip, Hin-Lap, Cao, Yong, Chen, Yongsheng
Format: Article
Language:English
Subjects:
Charge materials
Efficiency
Electromagnetic absorption
Electronics industry
Empirical analysis
Energy conversion efficiency
Organic materials
Organic semiconductors
Photovoltaic cells
Photovoltaics
Solar cells
Thickness
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Summary:Though organic photovoltaic cells (OPVs) have many advantages, their performance still lags far behind that of other photovoltaic platforms. One of the most fundamental reasons for this is the low charge mobility of organic materials, leading to a limit on the active layer thickness and efficient light absorption. In this work, guided by a semi-empirical model analysis and using the tandem cell strategy to overcome such issues, and taking advantage of the high diversity and easily tunable band structure of organic materials, a record and certified 17.29% power conversion efficiency for a 2-terminal monolithic solution processed tandem OPV is achieved.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.aat2612