期刊
CHEMISTRY OF MATERIALS
卷 29, 期 16, 页码 6726-6732出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.7b01512
关键词
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资金
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1503852] Funding Source: National Science Foundation
A new series of donor acceptor ladder-type molecules were synthesized via Scholl reaction. These molecules contain up to 25-fused rings but still show good air stability and good solubility. The ring fusing reaction is found to be sensitive to the nature of the side-chain in donor units. The molecular conformations were investigated by 2D NMR and DFT calculations. The photophysical properties were investigated and an intense intramolecular charge-transfer was observed. All of the molecules exhibit two-photon absorption (TPA) activity, and their TPA cross-section shows a linear relationship with increasing conjugation length of the thienoacene-PDI derivatives.
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