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Title: Effective tuning of HOMO and LUMO energy levels by p-n diblock and triblock oligomer approaches
Authors: Wan, J.-H.
Feng, J.-C.
Wen, G.-A.
Wei, W.
Fan, Q.-L.
Wang, C.-M.
Wang, H.-Y.
Zhu, R.
Yuan, X.-D.
Huang, C.-H.
Huang, W. 
Issue Date: 1-Apr-2006
Citation: Wan, J.-H.,Feng, J.-C.,Wen, G.-A.,Wei, W.,Fan, Q.-L.,Wang, C.-M.,Wang, H.-Y.,Zhu, R.,Yuan, X.-D.,Huang, C.-H.,Huang, W. (2006-04-01). Effective tuning of HOMO and LUMO energy levels by p-n diblock and triblock oligomer approaches. Journal of Organic Chemistry 71 (7) : 2565-2571. ScholarBank@NUS Repository.
Abstract: A novel series of oligomers consisting of thiophene as a p-type unit and oxadiazole as an n-type unit were separately synthesized. On the basis of the characterization of photophysical and electrochemical properties, the structure-property relationships of the oligomers were investigated. Cyclic voltammogram studies showed that changing the number of thiophene and oxadiazole units could effectively modulate the electronic properties of the p-n diblock and triblock oligomers. The effect of molecular regiochemistry on electronic properties is also investigated. The observed electronic properties were consistent with theoretical calculations. These systems serve as excellent examples, demonstrating the band gap control principle in the p-n heterostructure oligomers. © 2006 American Chemical Society.
Source Title: Journal of Organic Chemistry
ISSN: 00223263
DOI: 10.1021/jo0521596
Appears in Collections:Staff Publications

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