ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*
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ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*
ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*
高分子科学(英文版)1997年15卷第1期 页码:15-23
Affiliations:
1. Shanghai Institute of Organic Chemistry
2. Chinese Academy of Sciences
3. Shanghai 200232
Author bio:
Funds:
DOI:
中图分类号:TQ317
纸质出版:1997-03-20
Accepted:
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[1]张旭庆,沈学明,杨士勇,陆伟,张景云.ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES[J].Chinese Journal of Polymer Science,1997,{4}(01):15-23.
ZHANG Xuqing, SHEN Xueming, YANG Shiyong, et al. ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*[J]. 1997, 15(1): 15-23.
[1]张旭庆,沈学明,杨士勇,陆伟,张景云.ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES[J].Chinese Journal of Polymer Science,1997,{4}(01):15-23.DOI:
ZHANG Xuqing, SHEN Xueming, YANG Shiyong, et al. ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*[J]. 1997, 15(1): 15-23.DOI:
ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES*
Three series of polythiophenes containing fluoroalkoxy and fluoroether substituentswere prepared by electrochemical polymerization. The effect of substituents with fluoro-alkoxy or ether functional groups on the electrochemical polymerization of thiophene mono-mers and properties of the obtained polymers were analyzed. The introduction of a flu-oroether functional group at the 3-position of the thiophene ring leads to an increase ofthe oxidation potential of the monomer and to a decrease of the conductivity of the re-sulting polymers
even with the use of a CH
2
group as spacer. Conversely
the presenceof an oxygen atom directly at the 3-position of the thiophene ring
which offsets the nega-tive withdrawing effect of fluoroalkyl groups
facilitates the synthesis of highly conductingpolythiophenes.
Abstract
Three series of polythiophenes containing fluoroalkoxy and fluoroether substituentswere prepared by electrochemical polymerization. The effect of substituents with fluoro-alkoxy or ether functional groups on the electrochemical polymerization of thiophene mono-mers and properties of the obtained polymers were analyzed. The introduction of a flu-oroether functional group at the 3-position of the thiophene ring leads to an increase ofthe oxidation potential of the monomer and to a decrease of the conductivity of the re-sulting polymers
even with the use of a CH
2
group as spacer. Conversely
the presenceof an oxygen atom directly at the 3-position of the thiophene ring
which offsets the nega-tive withdrawing effect of fluoroalkyl groups
facilitates the synthesis of highly conductingpolythiophenes.
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