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Conference Paper: Enhancement in power conversion efficiency in phthalocyanine based photovoltaic cell

TitleEnhancement in power conversion efficiency in phthalocyanine based photovoltaic cell
Authors
Kwong, CYDjurišić, ABChui, PCLam, LSMChan, WK
KeywordsCopper phthalocyanine
Fullerene
ITO treatments
Organic solar cells
Issue Date2003
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
Citation
Proceedings Of Spie - The International Society For Optical Engineering, 2003, v. 4991, p. 98-109 How to Cite?
DOI: http://dx.doi.org/10.1117/12.473145
AbstractThe devices studied in this work consist of copper phthalocyanine (CuPc) and fullerene (C60) films between indium tin oxide (ITO) coated substrate as anode and aluminum (Al) as cathode. In order to have optimal performance of heterojunction photovoltaic cell, ITO/CuPc and C60/Al contact should be ohmic. Various ITO treatments can be used to improve ITO/CuPc contact. We have compared influence of different ITO treatments on the device performance. We have found that ITO treatment yields significant improvement in the performance of CuPc/C60 photovoltaic cells. The short circuit current of the cell fabricated on ITO substrate with optimal treatment is 9 times larger than that of the cell fabricated on untreated ITO substrate, open circuit voltage has been increased by 0.12V, resulting in 12 times improvement in the power conversion efficiency. The performance of phthalocyanine solar cells can be further improved using a mixed layer structure, ITO/CuPc/CuPc:C60/C60/Al, to increase exciton dissociation efficiency. The mixed layer is fabricated by co-evaporating the materials. For the mixed layer structure, short circuit current has been increased two times compared to the p-n heterojunction cell. This results in 0.16% power conversion efficiency under 98mW/cm2 AMI solar irradiation.
Persistent Identifierhttp://hdl.handle.net/10722/158371
ISSN
0277-786X
2020 SCImago Journal Rankings: 0.192
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorKwong, CYen_HK
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorChui, PCen_HK
dc.contributor.authorLam, LSMen_HK
dc.contributor.authorChan, WKen_HK
dc.date.accessioned2012-08-08T08:59:17Z-
dc.date.available2012-08-08T08:59:17Z-
dc.date.issued2003en_HK
dc.identifier.citationProceedings Of Spie - The International Society For Optical Engineering, 2003, v. 4991, p. 98-109en_US
dc.identifier.issn0277-786Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/158371-
dc.description.abstractThe devices studied in this work consist of copper phthalocyanine (CuPc) and fullerene (C60) films between indium tin oxide (ITO) coated substrate as anode and aluminum (Al) as cathode. In order to have optimal performance of heterojunction photovoltaic cell, ITO/CuPc and C60/Al contact should be ohmic. Various ITO treatments can be used to improve ITO/CuPc contact. We have compared influence of different ITO treatments on the device performance. We have found that ITO treatment yields significant improvement in the performance of CuPc/C60 photovoltaic cells. The short circuit current of the cell fabricated on ITO substrate with optimal treatment is 9 times larger than that of the cell fabricated on untreated ITO substrate, open circuit voltage has been increased by 0.12V, resulting in 12 times improvement in the power conversion efficiency. The performance of phthalocyanine solar cells can be further improved using a mixed layer structure, ITO/CuPc/CuPc:C60/C60/Al, to increase exciton dissociation efficiency. The mixed layer is fabricated by co-evaporating the materials. For the mixed layer structure, short circuit current has been increased two times compared to the p-n heterojunction cell. This results in 0.16% power conversion efficiency under 98mW/cm2 AMI solar irradiation.en_HK
dc.languageengen_US
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xmlen_HK
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineeringen_HK
dc.subjectCopper phthalocyanineen_HK
dc.subjectFullereneen_HK
dc.subjectITO treatmentsen_HK
dc.subjectOrganic solar cellsen_HK
dc.titleEnhancement in power conversion efficiency in phthalocyanine based photovoltaic cellen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.emailChui, PC: pcchui@hkucc.hku.hken_HK
dc.identifier.emailChan, WK: waichan@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.identifier.authorityChui, PC=rp00114en_HK
dc.identifier.authorityChan, WK=rp00667en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1117/12.473145en_HK
dc.identifier.scopuseid_2-s2.0-0344928091en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0344928091&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume4991en_HK
dc.identifier.spage98en_HK
dc.identifier.epage109en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridKwong, CY=35917741900en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridChui, PC=13309913400en_HK
dc.identifier.scopusauthoridLam, LSM=7201984714en_HK
dc.identifier.scopusauthoridChan, WK=13310083000en_HK
dc.identifier.issnl0277-786X-

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