A Potential Hybrid Hole-Transport Material Incorporating a Redox-Active Tetrathiafulvalene Derivative with CuSCN
作者:Zheng-Zhen Tang、Yi-Gang Weng、Wen-Yu Yin、Miao Jiang、Qin-Yu Zhu、Jie Dai
DOI:10.1021/acs.inorgchem.9b02168
日期:2019.12.2
[Cu(py-TTF-py)(SCN)] (2) is two-dimensional (2D) (py-TTF-py = 2,6-bis(4'-pyridyl)tetrathiafulvalene). There are covalent coordination interactions between CuSCN and py-TTF-py and short S···S contacts between the py-TTF-py ligands for both compounds. Besides, C···S contacts exist between py-TTF-py ligands of the neighboring 2D networks in 2, which facilitate the charge transfer and supply efficient multidimensional
无机CuSCN和有机四硫富瓦烯衍生物(TTF)已被用作混合钙钛矿太阳能电池中的空穴传输材料(HTM)。为了开发新的HTM,我们在这里报告了两种结合了氧化还原活性TTF和CuSCN框架(TTFs-CuSCN)的混合材料。单晶分析表明化合物[Cu2(py-TTF-py)(SCN)2](1)为三维(3D),化合物[Cu(py-TTF-py)(SCN)](2)为三维。二维(2D)(py-TTF-py = 2,6-bis(4'-吡啶基)tetrathiafulvalene)。对于这两种化合物,CuSCN与py-TTF-py之间存在共价配位相互作用,并且py-TTF-py配体之间存在短的S···S接触。此外,图2中相邻2D网络的py-TTF-py配体之间存在C·S接触,这有助于电荷转移并为载流子迁移提供有效的多维途径。因此,与1相比,2具有更好的半导体性能。与HTM相关的2的性能可以通过氧化掺杂调节T