Optical properties of substituted phthalocyanine rare-earth metal complexes

Yoshino, K.; Lee, S. B.; Sonoda, T.; Kawagishi, H.; Hidayat, R.; Nakayama, K.; Ozaki, M.; Ban, K.; Nishizawa, K.; Ohta, K.; Shirai, H.

doi:https://doi.org/10.1063/1.1316050

Optical properties of substituted phthalocyanine rare-earth metal complexes

Yoshino, K.; Lee, S. B.; Sonoda, T. et al.

Journal of Applied Physics, 2000, 88(12), 7137-7143

Number of Access:948（2025-09-02 10:22 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/75852

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Title	Optical properties of substituted phthalocyanine rare-earth metal complexes
Creator	NRID 1000070029205 1000070029205 CreatorName Yoshino, K.
	CreatorName Lee, S. B.
	CreatorName Sonoda, T.
	CreatorName Kawagishi, H.
	CreatorName Hidayat, R.
	NRID 1000080324333 1000080324333 CreatorName Nakayama, K.
	NRID 1000050204186 1000050204186 ORCID 0000-0002-9556-4225 0000-0002-9556-4225 researchmap permalink read0014092 read0014092 Scopus Author ID 55490143900 55490143900 CreatorName Ozaki, M.
	CreatorName Ban, K.
	CreatorName Nishizawa, K.
	CreatorName Ohta, K.
	CreatorName Shirai, H.
Description	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Yoshino, S. B. Lee, T. Sonoda, H. Kawagishi, R. Hidayat, K. Nakayama, M. Ozaki, K. Ban, K. Nishizawa, K. Ohta, and H. Shirai, Journal of Applied Physics 88, 7137 (2000) and may be found at https://doi.org/10.1063/1.1316050.
Abstract	Comparative study of optical properties of alkylthio-group-substituted phthalocyanine rare-earth metal sandwich complexes ([(CnS)8Pc]2M,M=Eu,Lu,Tb) is presented. Photoluminescence and photoconductivity of [(CnS)8Pc]2M complex is very weak. Two photoluminescence bands were observed at around 400–650 and 720–800 nm in chloroform solution corresponding to the Soret and Q bands in the absorption spectra, respectively. However, the emission from Eu3+ ion (as well as Tb3+) was not found compared with other Eu complexes because the 5d levels of the Eu3+ ion lie higher than the triplet level of the ligand. The significant enhancement of the photoconductivity of [(C16S)8Pc]2M after C60 doping is reported. The photoconductivity is positive at the low electric field in the ohmic regime while it becomes negative at the high electric field upon photoexcitation with strongly absorbed light. The negative photoconductivity is attributed to space-charge effects. The mechanism of photoluminescence and photoconductivity are discussed by taking the electronic energy schemes of phthalocyanine ligands and lanthanide ion and C60 into consideration.
Publisher	American Institute of Physics
Source Title	Journal of Applied Physics
Volume (Issue)	88(12)
Page	7137-7143
Date of Issued	2000-11-28
Language	English
Handle URL	https://hdl.handle.net/11094/75852
PISSN	00218979
eISSN	10897550
NCID	AA00693547
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1063/1.1316050
Access Rights	open access
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	Journal of Applied Physics. 2000, 88(12), p. 7137-7143
DC.title	Optical properties of substituted phthalocyanine rare-earth metal complexes
DC.creator	Yoshino, K.
	Lee, S. B.
	Sonoda, T.
	Kawagishi, H.
	Hidayat, R.
	Nakayama, K.
	Ozaki, M.
	Ban, K.
	Nishizawa, K.
	Ohta, K.
	Shirai, H.
DC.publisher	American Institute of Physics
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2000-11-28
DC.identifier	https://doi.org/10.1063/1.1316050
DC.description	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in K. Yoshino, S. B. Lee, T. Sonoda, H. Kawagishi, R. Hidayat, K. Nakayama, M. Ozaki, K. Ban, K. Nishizawa, K. Ohta, and H. Shirai, Journal of Applied Physics 88, 7137 (2000) and may be found at https://doi.org/10.1063/1.1316050.
DCTERMS.abstract	Comparative study of optical properties of alkylthio-group-substituted phthalocyanine rare-earth metal sandwich complexes ([(CnS)8Pc]2M,M=Eu,Lu,Tb) is presented. Photoluminescence and photoconductivity of [(CnS)8Pc]2M complex is very weak. Two photoluminescence bands were observed at around 400–650 and 720–800 nm in chloroform solution corresponding to the Soret and Q bands in the absorption spectra, respectively. However, the emission from Eu3+ ion (as well as Tb3+) was not found compared with other Eu complexes because the 5d levels of the Eu3+ ion lie higher than the triplet level of the ligand. The significant enhancement of the photoconductivity of [(C16S)8Pc]2M after C60 doping is reported. The photoconductivity is positive at the low electric field in the ohmic regime while it becomes negative at the high electric field upon photoexcitation with strongly absorbed light. The negative photoconductivity is attributed to space-charge effects. The mechanism of photoluminescence and photoconductivity are discussed by taking the electronic energy schemes of phthalocyanine ligands and lanthanide ion and C60 into consideration.
DC.format	75852
citation_title	Optical properties of substituted phthalocyanine rare-earth metal complexes
citation_author	Yoshino, K.
	Lee, S. B.
	Sonoda, T.
	Kawagishi, H.
	Hidayat, R.
	Nakayama, K.
	Ozaki, M.
	Ban, K.
	Nishizawa, K.
	Ohta, K.
	Shirai, H.
citation_publisher	American Institute of Physics
citation_language	English
citation_date	2000-11-28
citation_journal_title	Journal of Applied Physics
citation_volume	88
citation_issue	12
citation_firstpage	7137
citation_lastpage	7143
citation_doi	https://doi.org/10.1063/1.1316050
citation_public_url	https://hdl.handle.net/11094/75852

Optical properties of substituted phthalocyanine rare-earth metal complexes

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