Are Alkynyl Spacers in Ancillary Ligands in Heteroleptic Bis(diimine)copper(I) Dyes Beneficial for Dye Performance in Dye-Sensitized Solar Cells?
作者:Guglielmo Risi、Mariia Becker、Catherine E. Housecroft、Edwin C. Constable
DOI:10.3390/molecules25071528
日期:——
The syntheses of 4,4′-bis(4-dimethylaminophenyl)-6,6′-dimethyl-2,2′-bipyridine (1), 4,4′-bis(4-dimethylaminophenylethynyl)-6,6′-dimethyl-2,2′-bipyridine (2), 4,4′-bis(4-diphenylaminophenyl)-6,6′-dimethyl-2,2′-bipyridine (3), and 4,4′-bis(4-diphenylaminophenylethynyl)-6,6′-dimethyl-2,2′-bipyridine (4) are reported along with the preparations and characterisations of their homoleptic copper(I) complexes
4,4'-双(4-二甲氨基苯基)-6,6'-二甲基-2,2'-联吡啶的合成 (1),4,4'-双(4-二甲氨基苯乙炔基)-6,6'-二甲基-2,2'-联吡啶 (2)、4,4'-双(4-二苯基氨基苯基)-6,6'-二甲基-2,2'-联吡啶 (3) 和 4,4'-双(4-报道了二苯氨基苯乙炔基)-6,6'-二甲基-2,2'-联吡啶 (4) 及其均配铜 (I) 配合物 [CuL2][PF6] (L = 1–4) 的制备和表征。除了分配给配体内和金属到配体电荷转移组合的可见光区域的吸收之外,配合物的溶液吸收光谱还表现出以配体为中心的吸收。杂配体 [Cu(5)(Lancillary)]+ 染料,其中 5 是锚定配体 ((6,6'-二甲基-[2,2'-联吡啶]-4,4'-二基)双(4,1-亚苯基))双(膦酸)和 Lancillary = 1–4 已组装在染料敏化太阳能电池(DSC)中的掺氟氧化锡(FTO)-TiO2