能量转换效率
钙钛矿(结构)
钙钛矿太阳能电池
太阳能电池
材料科学
化学工程
纳米技术
光电子学
化学
结晶学
工程类
作者
Hairong Li,Kunwu Fu,Anders Hagfeldt,Michaël Grätzel,Subodh G. Mhaisalkar,Andrew C. Grimsdale
标识
DOI:10.1002/ange.201310877
摘要
Abstract We report a novel electron‐rich molecule based on 3,4‐ethylenedioxythiophene (H101). When used as the hole‐transporting layer in a perovskite‐based solar cell, the power‐conversion efficiency reached 13.8 % under AM 1.5G solar simulation. This result is comparable with that obtained using the well‐known hole transporting material 2,2′,7,7′‐tetrakis( N , N ‐di‐ p ‐methoxyphenylamine)‐9,9′‐spirobifluorene (spiro‐OMeTAD). This is the first heterocycle‐containing material achieving >10 % efficiency in such devices, and has great potential to replace the expensive spiro‐OMeTAD given its much simpler and cheaper synthesis.
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