Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices

Miyake, Y.; Hori, T.; Yoshida, H.; Monobe, H.; Fujii, A; Ozaki, M; Shimizu, Y.

doi:https://doi.org/10.1117/12.873717

Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices

Miyake, Y.; Hori, T.; Yoshida, H. et al.

Proceedings of SPIE - the International Society for Optical Engineering, 2011, 7955, 795505-1-795505-8

アクセス数:1,141件（2025-12-02 16:28 集計）

固定URL: https://hdl.handle.net/11094/75930

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タイトル	Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices
著者	著者名 Miyake, Y.
	著者名 Hori, T.
	NRID 1000080550045 1000080550045 researchmap permalink hiroyukiyoshida hiroyukiyoshida Scopus Author ID 55628543086 55628543086 著者名 Yoshida, H.
	NRID 1000010344178 1000010344178 著者名 Monobe, H.
	NRID 1000080304020 1000080304020 ORCID 0000-0003-3142-1193 0000-0003-3142-1193 researchmap permalink read0054804 read0054804 Scopus Author ID 35413649300 35413649300 著者名 Fujii, A
	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, M
	NRID 1000040357223 1000040357223 著者名 Shimizu, Y.
内容	SPIE OPTO, 2011, San Francisco, California, United States
内容	Y. Miyake, T. Hori, H. Yoshida, H. Monobe, A. Fujii, M. Ozaki, and Y. Shimizu "Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices", Proc. SPIE 7955, Emerging Liquid Crystal Technologies VI, 795505 (2 February 2011). DOI: https://doi.org/10.1117/12.873717
抄録	A liquid crystalline phthalocyanine semiconductor, 1, 4, 8, 11, 15, 18, 22, 25-hexahexylphthalocyanine (C6PcH2) was studied on the drift mobility of charged carriers by a Time-Of-Flight (TOF) method. It was found that this compound exhibits an ambipolar nature for charge transport and the hole and electron mobilities were determined to be in the order of 10-1 cm2 V-1 s-1 for polydomain films of the hexagonal disordered columnar (Colhd) mesophase. This is comparable to that of the octyl homologue (C8PcH2) reported by Hanna et al. However, C6PcH2 did not show any tendency to form the homeotropic alignment between ITO-coated glass substrates, though C8PcH2 so clearly and easily does. Clear decay curves of the transient photocurrents could be obtained in TOF measurements even for polydomain films of the crystalline solid phase to give a strongly temperature-dependent mobility of holes which reaches to 1.1 cm2 V-1 s-1 at room temperature (RT) as the temperature goes down, whilst the electron mobility slightly increases to be 0.5 cm2 V-1 s-1at RT. This compound could easily form thin films by spin-coating technique with the toluene solution and a simple bulk-heterojunction thin film solar cell was fabricated to give a good performance such as 3.1% of power conversion efficiency and > 70 % of external quantum efficiency.
出版者	SPIE
収録物名	Proceedings of SPIE - the International Society for Optical Engineering
巻(号)	7955
ページ	795505-1-795505-8
刊行年月	2011-02-02
言語	英語
ハンドルURL	https://hdl.handle.net/11094/75930
PISSN	0277786X
NCID	AA10619755
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1117/12.873717
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. 2011, 7955, p. 795505-1-795505-8
DC.title	Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices
DC.creator	Miyake, Y.
	Hori, T.
	Yoshida, H.
	Monobe, H.
	Fujii, A
	Ozaki, M
	Shimizu, Y.
DC.publisher	SPIE
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2011-02-02
DC.identifier	https://doi.org/10.1117/12.873717
DC.description	SPIE OPTO, 2011, San Francisco, California, United States
DC.description	Y. Miyake, T. Hori, H. Yoshida, H. Monobe, A. Fujii, M. Ozaki, and Y. Shimizu "Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices", Proc. SPIE 7955, Emerging Liquid Crystal Technologies VI, 795505 (2 February 2011). DOI: https://doi.org/10.1117/12.873717
DCTERMS.abstract	A liquid crystalline phthalocyanine semiconductor, 1, 4, 8, 11, 15, 18, 22, 25-hexahexylphthalocyanine (C6PcH2) was studied on the drift mobility of charged carriers by a Time-Of-Flight (TOF) method. It was found that this compound exhibits an ambipolar nature for charge transport and the hole and electron mobilities were determined to be in the order of 10-1 cm2 V-1 s-1 for polydomain films of the hexagonal disordered columnar (Colhd) mesophase. This is comparable to that of the octyl homologue (C8PcH2) reported by Hanna et al. However, C6PcH2 did not show any tendency to form the homeotropic alignment between ITO-coated glass substrates, though C8PcH2 so clearly and easily does. Clear decay curves of the transient photocurrents could be obtained in TOF measurements even for polydomain films of the crystalline solid phase to give a strongly temperature-dependent mobility of holes which reaches to 1.1 cm2 V-1 s-1 at room temperature (RT) as the temperature goes down, whilst the electron mobility slightly increases to be 0.5 cm2 V-1 s-1at RT. This compound could easily form thin films by spin-coating technique with the toluene solution and a simple bulk-heterojunction thin film solar cell was fabricated to give a good performance such as 3.1% of power conversion efficiency and > 70 % of external quantum efficiency.
DC.format	75930
citation_title	Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices
citation_author	Miyake, Y.
	Hori, T.
	Yoshida, H.
	Monobe, H.
	Fujii, A
	Ozaki, M
	Shimizu, Y.
citation_publisher	SPIE
citation_language	英語
citation_date	2011-02-02
citation_journal_title	Proceedings of SPIE - the International Society for Optical Engineering
citation_volume	7955
citation_firstpage	795505-1
citation_lastpage	795505-8
citation_doi	https://doi.org/10.1117/12.873717
citation_public_url	https://hdl.handle.net/11094/75930

Liquid crystalline phthalocyanines as a self-assembling organic semiconductor for solution-processing thin film devices

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