期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 46, 页码 18538-18541出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja207543g
关键词
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资金
- Mitsubishi Chemical Center for Advanced Materials (MC-CAM)
- Center for Energy Efficient Materials, an Energy Frontier Research Center
- U.S. Department of Energy, Office of Science, Office of Basil: Energy Sciences [DE-SC0001009]
- ConvEne IGERT Program [NSF-DGE 0801627]
- National Science Foundation
- Hong Kong Research Grants Council [HKBU 202410]
- Hong Kong Baptist University [FRG2/09-10/091]
- University Grants Committee of HKSAR [AoE/P-03/08]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0840521] Funding Source: National Science Foundation
pi-Conjugated, narrow band gap copolymers containing pyridal[2,1,3]thiadiazole (PT) were synthesized via starting materials that prevent random incorporation of the PT heterocycles relative to the backbone vector. Two regioregular structures could be obtained: in one the PTs are oriented in the same direction, and in the other the orientation of the PTs alternates every other repeat unit. Compared to their regiorandom counterparts, the regioregular polymers exhibit a 2 orders of magnitude increase of the hole mobilites, from 0.005 to 0.6 cm(2) V-1 s(-1) as determined by field-effect transistor measurements.
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