SCHOLARLY PUBLICATION

Dopant-Free Hole-Transporting Material with a C 3 h Symmetrical Truxene Core for Highly Efficient Perovskite Solar Cells

Chuyi Huang, Weifei Fu, Chang‐Zhi Li, Zhongqiang Zhang, Weiming Qiu, Minmin Shi, Paul L. Heremans, Alex K.‐Y. Jen, Hongzheng Chen

📖 Journal of the American Chemical Society → 📅 2016-02-15 🔗 DOI: 10.1021/jacs.6b00039

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📄 Abstract

Herein we present a new structural design of hole-transporting material, Trux-OMeTAD, which consists of a C3h Truxene-core with arylamine terminals and hexyl side-chains. This planar, rigid, and fully conjugated molecule exhibits excellent hole mobility and desired surface energy to the perovskite uplayer. Perovskite solar cells fabricated using the p-i-n architecture with Trux-OMeTAD as the p-layer, show a high PCE of 18.6% with minimal hysteresis.

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