Synthetic studies of extraordinarily long oligothiophenes

T. Otsubo; Y. Aso; K. Takimiya; H. Nakanishi; N. Sumi

doi:10.1016/S0379-6779(02)00376-4

Synthetic studies of extraordinarily long oligothiophenes

T. Otsubo, Y. Aso, K. Takimiya, H. Nakanishi, N. Sumi

SCI - Chemistry

Hiroshima University

Research output: Contribution to journal › Conference article › peer-review

11 Citations (Scopus)

Abstract

This paper describes synthetic approaches to extraordinarily long oligothiophenes, which correspond to mono-disperse polymers. The most successful approach is a combination of a random coupling reaction of mono- and diethynylsexithiophenes and a subsequent sodium sulfide-induced cyclization reaction of the diacetylene parts to thiophene rings, forming a series of long oligothiophenes Oct-nT up to the 48-mer. The systematic study of the Oct-nT series reveals that the effective conjugation length of conjugated polythiophenes extends to around 20 thiophene units.

Original language	English
Pages (from-to)	325-328
Number of pages	4
Journal	Synthetic Metals
Volume	133-134
DOIs	https://doi.org/10.1016/S0379-6779(02)00376-4
Publication status	Published - 2003 Mar 13
Event	ISCOM 2001 - Rusutsu, Hokkaido, Japan Duration: 2001 Sept 10 → 2001 Sept 14

Keywords

Effective conjugation length
Mono-disperse polymers
Nanoscale molecules
Oligothiophenes

Access to Document

10.1016/S0379-6779(02)00376-4

Cite this

@article{5901dbe420e44e1eb4b47503ae49a63e,

title = "Synthetic studies of extraordinarily long oligothiophenes",

abstract = "This paper describes synthetic approaches to extraordinarily long oligothiophenes, which correspond to mono-disperse polymers. The most successful approach is a combination of a random coupling reaction of mono- and diethynylsexithiophenes and a subsequent sodium sulfide-induced cyclization reaction of the diacetylene parts to thiophene rings, forming a series of long oligothiophenes Oct-nT up to the 48-mer. The systematic study of the Oct-nT series reveals that the effective conjugation length of conjugated polythiophenes extends to around 20 thiophene units.",

keywords = "Effective conjugation length, Mono-disperse polymers, Nanoscale molecules, Oligothiophenes",

author = "T. Otsubo and Y. Aso and K. Takimiya and H. Nakanishi and N. Sumi",

note = "Funding Information: This research was supported by Grants-in-Aid of Scientific Research (Nos. 12440180 and 13304051) and for Scientific Research on Priority Area (A) (No. 12042263) from the Ministry of Education, Culture, Sports, Science and Technology, Japan.; ISCOM 2001 ; Conference date: 10-09-2001 Through 14-09-2001",

year = "2003",

month = mar,

day = "13",

doi = "10.1016/S0379-6779(02)00376-4",

language = "English",

volume = "133-134",

pages = "325--328",

journal = "Synthetic Metals",

issn = "0379-6779",

publisher = "Elsevier BV",

}

TY - JOUR

T1 - Synthetic studies of extraordinarily long oligothiophenes

AU - Otsubo, T.

AU - Aso, Y.

AU - Takimiya, K.

AU - Nakanishi, H.

AU - Sumi, N.

N1 - Funding Information: This research was supported by Grants-in-Aid of Scientific Research (Nos. 12440180 and 13304051) and for Scientific Research on Priority Area (A) (No. 12042263) from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

PY - 2003/3/13

Y1 - 2003/3/13

N2 - This paper describes synthetic approaches to extraordinarily long oligothiophenes, which correspond to mono-disperse polymers. The most successful approach is a combination of a random coupling reaction of mono- and diethynylsexithiophenes and a subsequent sodium sulfide-induced cyclization reaction of the diacetylene parts to thiophene rings, forming a series of long oligothiophenes Oct-nT up to the 48-mer. The systematic study of the Oct-nT series reveals that the effective conjugation length of conjugated polythiophenes extends to around 20 thiophene units.

AB - This paper describes synthetic approaches to extraordinarily long oligothiophenes, which correspond to mono-disperse polymers. The most successful approach is a combination of a random coupling reaction of mono- and diethynylsexithiophenes and a subsequent sodium sulfide-induced cyclization reaction of the diacetylene parts to thiophene rings, forming a series of long oligothiophenes Oct-nT up to the 48-mer. The systematic study of the Oct-nT series reveals that the effective conjugation length of conjugated polythiophenes extends to around 20 thiophene units.

KW - Effective conjugation length

KW - Mono-disperse polymers

KW - Nanoscale molecules

KW - Oligothiophenes

UR - http://www.scopus.com/inward/record.url?scp=0037435213&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037435213&partnerID=8YFLogxK

U2 - 10.1016/S0379-6779(02)00376-4

DO - 10.1016/S0379-6779(02)00376-4

M3 - Conference article

AN - SCOPUS:0037435213

SN - 0379-6779

VL - 133-134

SP - 325

EP - 328

JO - Synthetic Metals

JF - Synthetic Metals

T2 - ISCOM 2001

Y2 - 10 September 2001 through 14 September 2001

ER -

Synthetic studies of extraordinarily long oligothiophenes

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this