Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1872-1508(07)60030-8
Title: Photophysical Properties and Electropolymerization of Regioregular Head-to-Tail Oligothiophenes-Functionalized 9,9′-spirobifluorene Derivatives
Authors: Jin, W.
Ni, J.
Lai, Y. 
Pei, J. 
Keywords: 9,9′-Spirobifluorene
Electrochemical polymerization
Oligothiophene
Photophysical property
Issue Date: Apr-2007
Citation: Jin, W., Ni, J., Lai, Y., Pei, J. (2007-04). Photophysical Properties and Electropolymerization of Regioregular Head-to-Tail Oligothiophenes-Functionalized 9,9′-spirobifluorene Derivatives. Acta Physico - Chimica Sinica 23 (4) : 459-465. ScholarBank@NUS Repository. https://doi.org/10.1016/S1872-1508(07)60030-8
Abstract: The photophysical properties of oligothiophenes-functionalized 9,9′-spirobifluorene derivatives in solution and in solid state were investigated in detail. The enhanced red-shift was observed from the absorption and the photoluminescence (PL) spectra of these derivatives in dilute THF solution with the increase of thiophene unit at one branch of 9,9′-spirobifluorene identical with the increased p-electron delocalization and the more effective conjugation length of the whole molecular system. The investigation on the photophysical properties of these compounds further demonstrated that the sp3-hybrid carbon at the spiro-center completely obstructed the correlation between two branches of the 9,9′-spirobifluorene system and made every branch become an independent chromophore. The electrochemical polymerization of 6b as a representative was also investigated. © 2007 Chinese Chemical Society and College of Chemistry and Molecular Engineering, Peking University.
Source Title: Acta Physico - Chimica Sinica
URI: http://scholarbank.nus.edu.sg/handle/10635/76757
ISSN: 18721508
DOI: 10.1016/S1872-1508(07)60030-8
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