Application of 1806-29-7, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.1806-29-7, Name is 2,2-Biphenol, molecular formula is C12H10O2. In a patent, introducing its new discovery.
A new carbazole-based hole-transporting material with low dopant content for perovskite solar cells
A new carbazole-based hole-transporting material incorporating a 3,3?-biphenyl central core has been synthesized via a facile route. A reference compound without carbazole moiety was also prepared. Their geometric structures, thermal stability and photovoltaic properties were investigated. This new carbazole-based material exhibits a high glass transition temperature (167.8 C) and a suitable highest occupied molecular orbital level well-matched with CH3NH3PbI3 perovskite. A low doping content of 4-tert-butylpyridine (120 mM) is observed for the best performance of perovskite solar cell in conjunction with a carbon counter electrode. The device achieves a power conversion efficiency of 4.53% under illumination of 100 mW cm-2. The performance is much better than that of the reference compound (0.19%), and comparable to that of spiro-OMeTAD at the same dopant level (5.10%). The results indicate the carbazole-based material is a promising class of hole-transporting materials for perovskite solar cells.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare