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Article: Efficient hole collection by introducing ultra-thin UV-ozone treated Au in polymer solar cells

TitleEfficient hole collection by introducing ultra-thin UV-ozone treated Au in polymer solar cells
Authors
KeywordsCurrent conduction mechanism
Hole collection
Polymer solar cells
Ultra-thin Au
Ultraviolet photoemission spectroscopy
UV-ozone
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/solmat
Citation
Solar Energy Materials And Solar Cells, 2011, v. 95 n. 3, p. 904-908 How to Cite?
AbstractEfficient hole collection in polymer solar cells (PSCs) has been achieved by introducing an ultra-thin UVozone (UVO) treated Au on indium tin oxide (ITO) to substitute poly-(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). Through optimizing the Au thickness and the duration of UVO treatment, it is shown that the ITO/Au (1 nm) treated by UVO for 15 s improves the fill factor significantly to 67.2% and power conversion efficiency (PCE) to 3.47%, which is competitive to that of the PEDOT:PSS-based PSCs with PCE of 3.38%. The results of ultraviolet photoemission spectroscopy and the analysis of the current conduction mechanism show that the UVO-treated Au offers favorable band alignment at metal/polymer interface of the anode for efficient hole collection. Meanwhile, the series resistance of the device decreases drastically. © 2010 Elsevier B.V.All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/135128
ISSN
2015 Impact Factor: 4.732
2015 SCImago Journal Rankings: 1.996
ISI Accession Number ID
Funding AgencyGrant Number
UGC, University of Hong Kong400897
Research Grants Council of the HK Special Administrative Region, China712108
712010E
Funding Information:

This work is supported UGC grant (#400897) of the University of Hong Kong and Hong Kong Research Grants Council (HKU#712108 and HKU#712010E) from the Research Grants Council of the HK Special Administrative Region, China.

References

 

DC FieldValueLanguage
dc.contributor.authorWang, CDen_HK
dc.contributor.authorH Choy, WCen_HK
dc.date.accessioned2011-07-27T01:28:36Z-
dc.date.available2011-07-27T01:28:36Z-
dc.date.issued2011en_HK
dc.identifier.citationSolar Energy Materials And Solar Cells, 2011, v. 95 n. 3, p. 904-908en_HK
dc.identifier.issn0927-0248en_HK
dc.identifier.urihttp://hdl.handle.net/10722/135128-
dc.description.abstractEfficient hole collection in polymer solar cells (PSCs) has been achieved by introducing an ultra-thin UVozone (UVO) treated Au on indium tin oxide (ITO) to substitute poly-(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). Through optimizing the Au thickness and the duration of UVO treatment, it is shown that the ITO/Au (1 nm) treated by UVO for 15 s improves the fill factor significantly to 67.2% and power conversion efficiency (PCE) to 3.47%, which is competitive to that of the PEDOT:PSS-based PSCs with PCE of 3.38%. The results of ultraviolet photoemission spectroscopy and the analysis of the current conduction mechanism show that the UVO-treated Au offers favorable band alignment at metal/polymer interface of the anode for efficient hole collection. Meanwhile, the series resistance of the device decreases drastically. © 2010 Elsevier B.V.All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/solmaten_HK
dc.relation.ispartofSolar Energy Materials and Solar Cellsen_HK
dc.subjectCurrent conduction mechanismen_HK
dc.subjectHole collectionen_HK
dc.subjectPolymer solar cellsen_HK
dc.subjectUltra-thin Auen_HK
dc.subjectUltraviolet photoemission spectroscopyen_HK
dc.subjectUV-ozoneen_HK
dc.titleEfficient hole collection by introducing ultra-thin UV-ozone treated Au in polymer solar cellsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0927-0248&volume=95&issue=3&spage=904–908&epage=&date=2011&atitle=Efficient+hole+collection+by+introducing+ultra-thin+UV-ozone+treated+Au+in+polymer+solar+cells-
dc.identifier.emailH Choy, WC:chchoy@eee.hku.hken_HK
dc.identifier.authorityH Choy, WC=rp00218en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.solmat.2010.11.017en_HK
dc.identifier.scopuseid_2-s2.0-78751649723en_HK
dc.identifier.hkuros188404en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78751649723&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume95en_HK
dc.identifier.issue3en_HK
dc.identifier.spage904en_HK
dc.identifier.epage908en_HK
dc.identifier.isiWOS:000288304200016-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridWang, CD=36938557800en_HK
dc.identifier.scopusauthoridH Choy, WC=7006202371en_HK
dc.identifier.citeulike8412091-

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