期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 129, 期 44, 页码 13370-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja0751274
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资金
- Engineering and Physical Sciences Research Council [EP/D076552/1] Funding Source: researchfish
- EPSRC [EP/D076552/1] Funding Source: UKRI
The transport of positive charges along porphyrin-based molecular wires has been probed in dilute solution using pulse radiolysis time-resolved microwave conductivity. The mobility of positive charges along isolated single-strand porphyrin wires was found to be 0.084 cm(2)/(V s). Addition of 4,4'-bipyridyl leads to the formation of a double-strand ladder complex, locking each polymer strand into a more planar structure and thus enhancing the porphyrin-porphyrin pi-conjugation, leading to an increase in the charge carrier mobility by an order of magnitude to 0.91 cm(2)/(V S).
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