Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects

Yoshino, Katsumi; Yoshimoto, Kenji; Tada, Kazuya; Araki, Hishashi; Kawai, Tsuyoshi; Ozaki, Masanori; Zakhidov, Anvar A.

doi:https://doi.org/10.1117/12.228125

Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects

Yoshino, Katsumi; Yoshimoto, Kenji; Tada, Kazuya et al.

Proceedings of SPIE - The International Society for Optical Engineering, 1995, 2530, 60-75

アクセス数:511件（2025-07-19 08:17 集計）

固定URL: https://hdl.handle.net/11094/76959

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タイトル	Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects
著者	NRID 1000070029205 1000070029205 著者名 Yoshino, Katsumi
	NRID 1000000645278 1000000645278 著者名 Yoshimoto, Kenji
	NRID 1000090305681 1000090305681 著者名 Tada, Kazuya
	著者名 Araki, Hishashi
	NRID 1000040221197 1000040221197 著者名 Kawai, Tsuyoshi
	NRID 1000050204186 1000050204186 ORCID 0000-0002-9556-4225 0000-0002-9556-4225 researchmap permalink read0014092 read0014092 Scopus Author ID 55490143900 55490143900 著者名 Ozaki, Masanori
	著者名 Zakhidov, Anvar A.
内容	SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States
内容	Katsumi Yoshino, Kenji Yoshimoto, Kazuya Tada, Hishashi Araki, Tsuyoshi Kawai, Masanori Ozaki, and Anvar A. Zakhidov "Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects", Proc. SPIE 2530, Fullerenes and Photonics II, (8 December 1995). DOI: https://doi.org/10.1117/12.228125
抄録	The general features of charge transfer processes fullerene/conducting polymer (CP) systems, such as energetics of photoinduced charge transfer (PCT) between C60 and CP (pi) - electronic states, geometry of (pi) -(pi) overlapping and the role of self-trapping effects to polaronic states on C60 and CP chains on the PCT dynamics are analyzed. Persistent photoconductivity and electroluminescence quenching recently found in C60/CP composites additionally to photoconductivity enhancement and photoluminescence quenching observed earlier, indicate that photogenerated C60 radicals may be extremely long living in CP matrices, due to multicharging of C60 as suggested by us accompanied with deep self-trapping to polaron/bipolaron states. The anisotropy of PCT is proposed to arise due to orientational modulation of overlapping between polaronic rings on C60 and CP which strongly suppresses back recombination. The strategy to increase the efficiency of C60CP donor-acceptor (DA) photocells by improving PCT is analyzed, particularly considering multilayered structures with polarization barriers at interfaces, and increased intralayer mobilities of carriers. To increase the efficiency of photons collection in photocells we suggest three layered D-M-A structures, with molecular 'photon pump' layers strongly absorbing photons. The prospects for novel photonic applications of various C60CP systems, such as NLO devices and photomodulated field effect transistors (FETs) are discussed and illustrated by the newest results. New results on superconductivity of C60/CP upon alkali metal doping are presented, and exciting possibilities for novel superconducting phases in this system are discussed.
出版者	SPIE
収録物名	Proceedings of SPIE - The International Society for Optical Engineering
巻(号)	2530
ページ	60-75
刊行年月	1995-12-08
言語	英語
ハンドルURL	https://hdl.handle.net/11094/76959
PISSN	0277786X
NCID	AA10619755
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1117/12.228125
アクセス権	open access
出版タイプ	Version of Record
カテゴリ	会議発表論文 Conference Paper

資源タイプ	会議発表論文
ローカル資源タイプ	会議発表論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Proceedings of SPIE - The International Society for Optical Engineering. 1995, 2530, p. 60-75
DC.title	Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects
DC.creator	Yoshino, Katsumi
	Yoshimoto, Kenji
	Tada, Kazuya
	Araki, Hishashi
	Kawai, Tsuyoshi
	Ozaki, Masanori
	Zakhidov, Anvar A.
DC.publisher	SPIE
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	1995-12-08
DC.identifier	https://doi.org/10.1117/12.228125
DC.description	SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States
DC.description	Katsumi Yoshino, Kenji Yoshimoto, Kazuya Tada, Hishashi Araki, Tsuyoshi Kawai, Masanori Ozaki, and Anvar A. Zakhidov "Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects", Proc. SPIE 2530, Fullerenes and Photonics II, (8 December 1995). DOI: https://doi.org/10.1117/12.228125
DCTERMS.abstract	The general features of charge transfer processes fullerene/conducting polymer (CP) systems, such as energetics of photoinduced charge transfer (PCT) between C60 and CP (pi) - electronic states, geometry of (pi) -(pi) overlapping and the role of self-trapping effects to polaronic states on C60 and CP chains on the PCT dynamics are analyzed. Persistent photoconductivity and electroluminescence quenching recently found in C60/CP composites additionally to photoconductivity enhancement and photoluminescence quenching observed earlier, indicate that photogenerated C60 radicals may be extremely long living in CP matrices, due to multicharging of C60 as suggested by us accompanied with deep self-trapping to polaron/bipolaron states. The anisotropy of PCT is proposed to arise due to orientational modulation of overlapping between polaronic rings on C60 and CP which strongly suppresses back recombination. The strategy to increase the efficiency of C60CP donor-acceptor (DA) photocells by improving PCT is analyzed, particularly considering multilayered structures with polarization barriers at interfaces, and increased intralayer mobilities of carriers. To increase the efficiency of photons collection in photocells we suggest three layered D-M-A structures, with molecular 'photon pump' layers strongly absorbing photons. The prospects for novel photonic applications of various C60CP systems, such as NLO devices and photomodulated field effect transistors (FETs) are discussed and illustrated by the newest results. New results on superconductivity of C60/CP upon alkali metal doping are presented, and exciting possibilities for novel superconducting phases in this system are discussed.
DC.format	76959
citation_title	Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects
citation_author	Yoshino, Katsumi
	Yoshimoto, Kenji
	Tada, Kazuya
	Araki, Hishashi
	Kawai, Tsuyoshi
	Ozaki, Masanori
	Zakhidov, Anvar A.
citation_publisher	SPIE
citation_language	英語
citation_date	1995-12-08
citation_journal_title	Proceedings of SPIE - The International Society for Optical Engineering
citation_volume	2530
citation_firstpage	60
citation_lastpage	75
citation_doi	https://doi.org/10.1117/12.228125
citation_public_url	https://hdl.handle.net/11094/76959

Photonics of fullerene-conducting polymer composites and multilayered structures: new results and prospects

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