D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor
D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor
D-A-π-A dye-sensitizers with Cd (Ⅱ) or Cu (Ⅱ) complex as auxiliary electron acceptor