Improvement of (bipy)Pt(XR)2 (X=O, S) type photosensitizers by covalent dye attachment |
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| Authors: | Pevny Florian Zabel Manfred Winter Rainer F Rausch Andreas F Yersin Hartmut Tuczek Felix Záliš Stanislav |
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| Institution: | Institut für Anorganische Chemie, Universit?t Regensburg, Universit?tsstrasse 31, D-93040 Regensburg, Germany. |
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| Abstract: | Irradiation into the dye-based absorption band of complexes ((t)Bu(2)bipy)Pt(SR)(2) and ((t)Bu(2)bipy)Pt(OR)(2) where R denotes a coumarine-based thiolate and alkoxolate substituent populates the same excited triplet state as is obtained by excitation into the much weaker (RX)(2)Pt→(t)Bu(2)bipy (X = O, S) charge-transfer band. This paves the way toward more efficient photosensitizers. |
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