摘要 |
A photosensitizer dye is provided and it is a ruthenium-based complex represented by formula (1): wherein X1 is one of formulae (2) to (7) and X2 is hydrogen (H) or the same as X1; and wherein Y1 is hydrogen, lithium (Li), sodium (Na) or a tetra-alkyl ammonium group represented by formula (8), and Y2 is hydrogen or the same as Y1.
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