Article: Bis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) complex for efficient organic heterojunction solar cells

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TitleBis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) complex for efficient organic heterojunction solar cells
AuthorsLow, KH1
Xu, ZX1
Xiang, HF1 3
Chui, SSY1
Roy, VAL2
Che, CM1
Keywordsfield-effect transistors
platinum
semiconductors
solar cells
x-ray diffraction
Issue Date2011
PublisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2451
CitationChemistry - An Asian Journal, 2011, v. 6 n. 12, p. 3223-3229 [How to Cite?]
DOI: http://dx.doi.org/10.1002/asia.201100450
AbstractOrganic photovoltaic (OPV) cells using metal(II) (Pt, Pd, Cu, and Ni) chelates of 8-hydroxyquinoline (Hq) or 5,7-dimethyl-8-hydroxy-quinoline (HMe 2q) as an electron donor were fabricated by vacuum deposition. The bis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) [Pt(Me 2q) 2]-based OPVs showed the best performance with an open voltage (V OC) of 0.42 V, a short circuit current density (J SC) of 14.8 mA cm -2, and a maximum power conversion efficiency (η P) of 2.4 %. The X-ray single-crystal structures together with the grazing incidence X-ray diffraction (GIXRD) data of thin film samples reveal that the peripheral methyl substituent(s) and platinum(II) ion are essential for the high degree of film crystallinity resulting in improved performance of the as-fabricated field-effect transistors (FETs) and OPV cells. Splinter Cell: Organic photovoltaic cells using bis(5,7-dimethyl-8-hydroxyquinolinato) platinum(II) [Pt(Me 2q) 2] showed the best performance (η P=2.4 %) among the other [Mq 2] or [M(Me 2q) 2] complexes prepared in this work. The crystal structures together with the GIXRD data of thin films of these metal(II) complexes revealed that both the peripheral methyl substituent(s) and Pt II ion play pivotal role to the performance of the FETs and OPV cells. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
ISSN1861-4728
2011 Impact Factor: 4.5
2011 SCImago Journal Rankings: 0.391
DOIhttp://dx.doi.org/10.1002/asia.201100450
ISI Accession Number IDWOS:000297458900008
ReferencesReferences in Scopus
DC Field
Value
dc.contributor.authorLow, KH
dc.contributor.authorXu, ZX
dc.contributor.authorXiang, HF
dc.contributor.authorChui, SSY
dc.contributor.authorRoy, VAL
dc.contributor.authorChe, CM
dc.date.accessioned2012-08-08T08:34:54Z
dc.date.available2012-08-08T08:34:54Z
dc.date.issued2011
dc.description.abstractOrganic photovoltaic (OPV) cells using metal(II) (Pt, Pd, Cu, and Ni) chelates of 8-hydroxyquinoline (Hq) or 5,7-dimethyl-8-hydroxy-quinoline (HMe 2q) as an electron donor were fabricated by vacuum deposition. The bis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) [Pt(Me 2q) 2]-based OPVs showed the best performance with an open voltage (V OC) of 0.42 V, a short circuit current density (J SC) of 14.8 mA cm -2, and a maximum power conversion efficiency (η P) of 2.4 %. The X-ray single-crystal structures together with the grazing incidence X-ray diffraction (GIXRD) data of thin film samples reveal that the peripheral methyl substituent(s) and platinum(II) ion are essential for the high degree of film crystallinity resulting in improved performance of the as-fabricated field-effect transistors (FETs) and OPV cells. Splinter Cell: Organic photovoltaic cells using bis(5,7-dimethyl-8-hydroxyquinolinato) platinum(II) [Pt(Me 2q) 2] showed the best performance (η P=2.4 %) among the other [Mq 2] or [M(Me 2q) 2] complexes prepared in this work. The crystal structures together with the GIXRD data of thin films of these metal(II) complexes revealed that both the peripheral methyl substituent(s) and Pt II ion play pivotal role to the performance of the FETs and OPV cells. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
dc.description.natureLink_to_subscribed_fulltext
dc.identifier.citationChemistry - An Asian Journal, 2011, v. 6 n. 12, p. 3223-3229 [How to Cite?]
DOI: http://dx.doi.org/10.1002/asia.201100450
dc.identifier.doihttp://dx.doi.org/10.1002/asia.201100450
dc.identifier.epage3229
dc.identifier.hkuros205114
dc.identifier.isiWOS:000297458900008
dc.identifier.issn1861-4728
2011 Impact Factor: 4.5
2011 SCImago Journal Rankings: 0.391
dc.identifier.issue12
dc.identifier.scopuseid_2-s2.0-82455198622
dc.identifier.spage3223
dc.identifier.urihttp://hdl.handle.net/10722/155704
dc.identifier.volume6
dc.languageeng
dc.publisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2451
dc.publisher.placeGermany
dc.relation.ispartofChemistry - An Asian Journal
dc.relation.referencesReferences in Scopus
dc.subjectfield-effect transistors
dc.subjectplatinum
dc.subjectsemiconductors
dc.subjectsolar cells
dc.subjectx-ray diffraction
dc.titleBis(5,7-dimethyl-8-hydroxyquinolinato)platinum(II) complex for efficient organic heterojunction solar cells
dc.typeArticle
Author Affiliations
  1. The University of Hong Kong
  2. City University of Hong Kong
  3. Sichuan University