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  • Title: Low-Cost Carbazole-Based Hole-Transport Material for Highly Efficient Perovskite Solar Cells.
    Author: Chen Z, Li H, Zheng X, Zhang Q, Li Z, Hao Y, Fang G.
    Journal: ChemSusChem; 2017 Aug 10; 10(15):3111-3117. PubMed ID: 28653432.
    Abstract:
    A low-cost carbazole-based small-molecule material, 1,3,6,8-tetra(N,N-p-dimethoxyphenylamino)-9-ethylcarbazole, was designed and synthesized through a facile three-step synthetic route. The material was characterized and applied as a hole-transport material (HTM) for low-temperature-processed planar perovskite solar cells (PSCs). Devices based on this new HTM exhibit a high power-conversion efficiency of 17.8 % that is comparable to that of PSCs based on the costly 2,2',7,7'-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene (Spiro-OMeTAD) (18.6 %) .
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