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Synthesis of conducting polymers.

Huang, Fang.

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Synthesis of conducting polymers.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Synthesis of conducting polymers./
作者:	Huang, Fang.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2003,
面頁冊數:	147 p.
附註:	Source: Masters Abstracts International, Volume: 66-06.
Contained By:	Masters Abstracts International66-06.
標題:	Polymers. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ93033
ISBN:	9780612930339

Synthesis of conducting polymers.
Huang, Fang.

Synthesis of conducting polymers. - Ann Arbor : ProQuest Dissertations & Theses, 2003 - 147 p.

Source: Masters Abstracts International, Volume: 66-06.

Thesis (M.Sc.)--Memorial University of Newfoundland (Canada), 2003.

This item must not be sold to any third party vendors.

A series of novel electronic conducting polymers has been prepared as potential low band gap materials. Stille coupling reactions were employed for the polymerization of 2,7-dibromospiro[4',4 '-dioctyl-2',6'-dioxocyclohexane]-1 ',9-fluorene (2-9) with 1,4-bis(trimethylstannyl)benzene (2-20), 2,5-bis(trimethylstannyl)-furan (2-28 ) and 2,5-bis(trimethylstannyl)thiophene (2-5) to yield precursor polymers poly(2,7-spiro[4',4' -dioctyl-2',6'-dioxocyclohexane]-1 ',9-fluorene-co-1,4-benzene) (PFKB), poly(2,7-spiro[4',4'-dioctyl-2 ',6'-dioxocyclohexane]-1' ,9-fluorene-co-2,5-furan) (PFKF) and poly(2.7-spiro[4',4'-dioctyl-2 ',6'-dioxocyclohexane]-1' ,9-fluorene-co-2,5-thiophene) (PFKT). The precursor polymers have been converted to target fluorenone-based polymers by deacetylisation of the acetal substituents to the ketones. Model compounds have been synthesized as compounds 2-15 and 2-16. Compound 2-15 was converted to 2-16 to explore the method for conversion of the precursor polymers. The fluorenone-thiophene copolymer, PFT, gave the lowest band gap as ca. 1.6 eV. The known ionic conducting polymers poly[2,2'-(4,4 '-oxydiphenylene)-5,5'-bibenzimidazole] (PBI-1), poly[2,2'-(4,4'-sulfonyldiphenylene)-5,5 '-bibenzimidazole] (PBI-2), poly[2,2' -(4,4'-oxydiphenylene)sulfonyl-5,5' -bibenzimidazole] (PBI-3) have been synthesized. PBI-1 was cast as a thin film and doped with phosphoric acid. The ionic conductivity was 2.06 x 10−2 s cm−1 at 80°C.

ISBN: 9780612930339Subjects--Topical Terms:

535398
Polymers.

Synthesis of conducting polymers.
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520 $a A series of novel electronic conducting polymers has been prepared as potential low band gap materials. Stille coupling reactions were employed for the polymerization of 2,7-dibromospiro[4',4 '-dioctyl-2',6'-dioxocyclohexane]-1 ',9-fluorene (2-9) with 1,4-bis(trimethylstannyl)benzene (2-20), 2,5-bis(trimethylstannyl)-furan (2-28 ) and 2,5-bis(trimethylstannyl)thiophene (2-5) to yield precursor polymers poly(2,7-spiro[4',4' -dioctyl-2',6'-dioxocyclohexane]-1 ',9-fluorene-co-1,4-benzene) (PFKB), poly(2,7-spiro[4',4'-dioctyl-2 ',6'-dioxocyclohexane]-1' ,9-fluorene-co-2,5-furan) (PFKF) and poly(2.7-spiro[4',4'-dioctyl-2 ',6'-dioxocyclohexane]-1' ,9-fluorene-co-2,5-thiophene) (PFKT). The precursor polymers have been converted to target fluorenone-based polymers by deacetylisation of the acetal substituents to the ketones. Model compounds have been synthesized as compounds 2-15 and 2-16. Compound 2-15 was converted to 2-16 to explore the method for conversion of the precursor polymers. The fluorenone-thiophene copolymer, PFT, gave the lowest band gap as ca. 1.6 eV. The known ionic conducting polymers poly[2,2'-(4,4 '-oxydiphenylene)-5,5'-bibenzimidazole] (PBI-1), poly[2,2'-(4,4'-sulfonyldiphenylene)-5,5 '-bibenzimidazole] (PBI-2), poly[2,2' -(4,4'-oxydiphenylene)sulfonyl-5,5' -bibenzimidazole] (PBI-3) have been synthesized. PBI-1 was cast as a thin film and doped with phosphoric acid. The ionic conductivity was 2.06 x 10−2 s cm−1 at 80°C.
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