期刊
CHEMICAL COMMUNICATIONS
卷 50, 期 58, 页码 7828-7830出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01465k
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资金
- National Natural Science Foundation [21074004, 51073002, 21174004, 21222403, 91227202]
- Ministry of Science and Technology of China [2013CB933501]
Enhanced triplet-triplet annihilation upconversion efficiency is achieved with two tris-cyclometalated iridium sensitizers covalently tethered with a pyrene annihilator. The improved sensitizing ability and very long phosphorescence lifetimes (1-2 ms) of these bichromophore molecules are both attributed to the intramolecular energy transfer between the iridium complex and appended pyrene group.
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