Organic and solution-processed tandem solar cells with 17.3% efficiency
Lingxian Meng(Nankai University), Yamin Zhang(Nankai University), Xiangjian Wan(Nankai University), Chenxi Li(Nankai University), Xin Zhang(Nankai University), Yanbo Wang(Nankai University), Xin Ke(Nankai University), Zuo Xiao(National Center for Nanoscience and Technology), Liming Ding(National Center for Nanoscience and Technology), Ruoxi Xia(South China University of Technology), Hin‐Lap Yip(South China University of Technology), Yong Cao(South China University of Technology), Yongsheng Chen(Nankai University)
Cited by 2,515
Abstract
Although organic photovoltaic (OPV) cells have many advantages, their performance still lags far behind that of other photovoltaic platforms. A fundamental reason for their low performance 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 two-terminal monolithic solution-processed tandem OPV is achieved.
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