Dithieno[3,2‐b:2′,3′‐d]pyrrol‐Cored Hole Transport Material Enabling Over 21% Efficiency Dopant‐Free Perovskite Solar Cells

Dopant‐free hole transport materials (HTMs) are essential for commercialization of perovskite solar cells (PSCs). However, power conversion efficiencies (PCEs) of the state‐of‐the‐art PSCs with small molecule dopant‐free HTMs are below 20%. Herein, a simple dithieno[3,2‐b:2′,3′‐d]pyrrol‐cored small...

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Veröffentlicht in:	Advanced functional materials 2019-09, Vol.29 (38), p.n/a
Hauptverfasser:	Yin, Xinxing, Zhou, Jie, Song, Zhaoning, Dong, Zihao, Bao, Qinye, Shrestha, Niraj, Bista, Sandip Singh, Ellingson, Randy J., Yan, Yanfa, Tang, Weihua
Format:	Artikel
Sprache:	eng
Schlagworte:	device engineering dopant‐free hole transport material perovskite solar cell
Online-Zugang:	Volltext
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