Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers

Hidayat, Rahmat; Nishihara, Yusuke; Fujii, Akihiko; Ozaki, Masanori; Yoshino, Katsumi; Frankevich, Eugene

doi:https://doi.org/10.1103/PhysRevB.66.075214

Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers

Hidayat, Rahmat; Nishihara, Yusuke; Fujii, Akihiko et al.

Physical Review B, 2002, 66(7), 075214-075214

Number of Access:339（2025-09-02 13:01 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/75674

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Title	Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers
Creator	CreatorName Hidayat, Rahmat
	CreatorName Nishihara, Yusuke
	NRID 1000080304020 1000080304020 ORCID 0000-0003-3142-1193 0000-0003-3142-1193 researchmap permalink read0054804 read0054804 Scopus Author ID 35413649300 35413649300 CreatorName Fujii, Akihiko
	NRID 1000050204186 1000050204186 ORCID 0000-0002-9556-4225 0000-0002-9556-4225 researchmap permalink read0014092 read0014092 Scopus Author ID 55490143900 55490143900 CreatorName Ozaki, Masanori
	NRID 1000070029205 1000070029205 CreatorName Yoshino, Katsumi
	CreatorName Frankevich, Eugene
Abstract	A technique based on the action of pairs of correlated laser light pulses ~400 nm wavelength! with a controlled delay time between them was applied for studying second-order processes responsible for the formation of free charge carriers in a conjugated polymer poly~2,5-dioctyloxy-p-phenylenevinylene!. Timeresolved experiments within the picosecond time domain enabled the attainment of direct evidence of the existence of intermediate states preceding free charge carriers at the photoexcitation of conjugated polymers. These states are shown to take part in second-order processes responsible for the generation of free charge carriers in conjugated polymers at a sufficiently high excitation density. The short lifetime of species involved in the processes led to the speculation that they are primarily formed polaron pairs, the majority of them being generated without any delay at the absorption of the light.
Publisher	American Physical Society
Source Title	Physical Review B
Volume (Issue)	66(7)
Page	075214-075214
Date of Issued	2002-08-30
Language	English
Handle URL	https://hdl.handle.net/11094/75674
PISSN	24699950
eISSN	24699969
NCID	AA11187113
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1103/PhysRevB.66.075214
Access Rights	open access
CopyRight	Copyright (2002) by the American Physical Society
oaire:version	Version of Record
Category	学術雑誌論文 Journal Article

Resource Type	journal article
Local Type	Journal Article
DCMI Type	Text
DCTERMS.bibliographicCitation	Physical Review B. 2002, 66(7), p. 075214-075214
DC.title	Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers
DC.creator	Hidayat, Rahmat
	Nishihara, Yusuke
	Fujii, Akihiko
	Ozaki, Masanori
	Yoshino, Katsumi
	Frankevich, Eugene
DC.publisher	American Physical Society
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2002-08-30
DC.identifier	https://doi.org/10.1103/PhysRevB.66.075214
DCTERMS.abstract	A technique based on the action of pairs of correlated laser light pulses ~400 nm wavelength! with a controlled delay time between them was applied for studying second-order processes responsible for the formation of free charge carriers in a conjugated polymer poly~2,5-dioctyloxy-p-phenylenevinylene!. Timeresolved experiments within the picosecond time domain enabled the attainment of direct evidence of the existence of intermediate states preceding free charge carriers at the photoexcitation of conjugated polymers. These states are shown to take part in second-order processes responsible for the generation of free charge carriers in conjugated polymers at a sufficiently high excitation density. The short lifetime of species involved in the processes led to the speculation that they are primarily formed polaron pairs, the majority of them being generated without any delay at the absorption of the light.
DC.rights	Copyright (2002) by the American Physical Society
DC.format	75674
citation_title	Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers
citation_author	Hidayat, Rahmat
	Nishihara, Yusuke
	Fujii, Akihiko
	Ozaki, Masanori
	Yoshino, Katsumi
	Frankevich, Eugene
citation_publisher	American Physical Society
citation_language	English
citation_date	2002-08-30
citation_journal_title	Physical Review B
citation_volume	66
citation_issue	7
citation_firstpage	075214
citation_lastpage	075214
citation_doi	https://doi.org/10.1103/PhysRevB.66.075214
citation_public_url	https://hdl.handle.net/11094/75674

Time-resolved optical and electrical study of second-order processes responsible for the formation of free polarons in conjugated polymers

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