The Ru(II)âpolypyridyl complexes [Ru(H2L)(terpy)][PF6]2
(1) and [Bu4N][Ru(H2L)(NCS)3] (2) (H2L=4â²-(3,4-dihydroxyphenyl)-2,2â²:6â²,2â³-terpyridine),
in which H2L is coordinated as a terpyridyl
fragment with a catechol site pendant from the C4â² position, adhere
effectively to nanocrystalline TiO2 (anatase) surfaces
via the pendant catechol group; incident photon-to-current conversion
efficiency values of up to 50% were obtained in their
photocurrent action spectra, suggesting that the catechol unit
may be a convenient and effective anchoring group for attaching
dyes to TiO2-based
photovoltaic cells.
Ru(II)- 多
吡啶配合物[Ru(H2L)(terpy)][PF6]2 (1)和[Bu4N][Ru(H2L)(
NCS)3](2)(H2L=4â²-(3,4-二羟基苯基)-2,2â²:6,2â²,2â³-叔并
吡啶),其中 H2L 作为叔并
吡啶片段配位,C4â² 位置有一个
邻苯二酚基团,通过
邻苯二酚基团有效地附着在纳米晶体 TiO2(
锐钛矿)表面;在它们的光电流作用光谱中,入射光子到电流的转换效率值高达 50%,这表明
邻苯二酚单元可能是将
染料附着到基于 TiO2 的光伏电池上的一种方便有效的锚定基团。