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Synthesis and Properties of Dithiafulvenyl Functionalized Spiro[fluorene-9,9′-xanthene] Molecules
Organic Letters ( IF 4.9 ) Pub Date : 2018-01-18 00:00:00 , DOI: 10.1021/acs.orglett.7b03918
Min Wu 1 , Juan Li 2 , Ruqin Zhang 1 , Xia Tian 1 , Zhaoxiang Han 3 , Xiaoqing Lu 3 , Kunpeng Guo 1 , Zhike Liu 2 , Zhongqiang Wang 1
Affiliation  

Two spiroannulated molecular structures with dithiafulvenyl units functionalized at the 2,2′,7,7′- (SFX-DTF1) and 2,3′,6,′7- (SFX-DTF2) positions of a spiro[fluorene-9,9′-xanthene] core were synthesized. Studies revealed the hole mobility was significantly influenced by the dithiafulvenyl functionalized positions in the molecular structure. To explore their primary applications as hole-transporting materials in perovskite solar cells, SFX-DTF1-based devices exhibited a power conversion efficiency of 10.67% without the use of p-type dopants, yielding good air stability.

中文翻译:

二硫富烯基官能化的螺[芴-9,9'-x吨]分子的合成与性能

两个带有二硫富烯酰基单元的螺环化分子结构,在螺[芴-9 ,, 9,7,7,7,7 ' -SFX-DTF1)和2,3',6,'7-(SFX-DTF2)位置官能化合成了9'-黄嘌呤]核。研究表明,空穴迁移率受到分子结构中二硫富烯酰基官能化位置的显着影响。为了探索其在钙钛矿太阳能电池中作为空穴传输材料的主要应用,基于SFX-DTF1的器件在不使用p型掺杂剂的情况下表现出10.67%的功率转换效率,从而产生了良好的空气稳定性。
更新日期:2018-01-18
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