申请人:Islam Ashraful
公开号:US20100326528A1
公开(公告)日:2010-12-30
A photosensitizing transition metal complex of the formula (Ia) MLY
1
, (Ib) MLX
3
(Ic) MLY
2
X, (Id) MLY
3
X or (Ie) MLY
4
X in which M is a transition metal selected from ruthenium, osmium, iron, rhenium and technetium, preferably ruthenium or osmium. X is a co-ligand independently selected from NCS—, Cl—, Br—, I—, CN—, H
2
O; pyridine unsubstituted or substituted by at least one group selected from vinyl, primary, secondary or tertiary amine, OH and C
1-30
alkyl, preferably NSC and CN—; L is a tridentate polypyridine ligand, carrying at least one carboxylic, phosphoric acid or a chelating group and one substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted alkylamide group having 2 to 30 carbon atoms or substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms. A dye-sensitized electrode includes a substrate having an electrically conductive surface, an oxide semiconductor film formed on the conductive surface, and the above sensitizer of formula (Ia), (Ib), (Ic), (Id) or (Ie) as specified above; supported on the film. A solar cell includes the above electrode, a counter electrode, and an electrolyte deposited there between.
化学式为(Ia)MLY1、(Ib)MLX3、(Ic)MLY2X、(Id)MLY3X或(Ie)MLY4X的光敏过渡金属配合物,其中M是从钌、锇、铁、铼和锝中选择的过渡金属,优选钌或锇。X是一个共配体,可独立地从NCS-、Cl-、Br-、I-、CN-、H2O;吡啶未取代或取代至少一个选自乙烯基、一级、二级或三级胺、OH和C1-30烷基的基团,优选NSC和CN-;L是一个三齿多吡啶配体,携带至少一个羧酸、磷酸或螯合基团和一个取代或未取代的烷基,其碳原子数为1到50,取代或未取代的烷基酰胺基团,其碳原子数为2到30或取代或未取代的芳基烷基基团,其碳原子数为7到50。一种染料敏化电极包括具有电导表面的基底,形成在导电表面上的氧化物半导体膜和上述化学式(Ia)、(Ib)、(Ic)、(Id)或(Ie)的敏化剂,支撑在膜上。一种太阳能电池包括上述电极、对电极和沉积在两者之间的电解质。