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Article: Theoretical modeling of TiO2/TCO interfacial effect on dye-sensitized solar cell performance

TitleTheoretical modeling of TiO2/TCO interfacial effect on dye-sensitized solar cell performance
Authors
KeywordsDye-sensitized solar cell
Schottky barrier
TiO2/TCO interface
Issue Date2006
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/solmat
Citation
Solar Energy Materials And Solar Cells, 2006, v. 90 n. 13, p. 2000-2009 How to Cite?
AbstractA theoretical model based on an integration of both Schottky barrier model and electron diffusion differential model was developed to determine the TiO2/TCO interfacial effect on the current-voltage (J-V) characteristics of a dye-sensitized solar cell (DSSC). The thermionic-emission theory was appropriately applied to describe the electron transfer at the TiO2/TCO interface. A parametric analysis was conducted to study how the photoelectric outputs varied with multiple independent variables, such as Schottky barrier height ( φb) and temperature. It was found that the variation of the maximum DSSC power output (Pmax) was insignificant when φb varied at a low value; however, an increase in φb exceeding a critical value caused an apparent decrease in the maximum DSSC power output. The theoretical results were quantitatively compared and agreed very well with published theoretical results. The experimental data from literature were found to agree well with the present theoretical results, qualitatively validating the present model. The theoretical model can be applied to facilitate selection of suitable TCO material in DSSC design to avoid the adverse TiO2/TCO interfacial effect. © 2006 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/76160
ISSN
2015 Impact Factor: 4.732
2015 SCImago Journal Rankings: 1.996
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNi, Men_HK
dc.contributor.authorLeung, MKHen_HK
dc.contributor.authorLeung, DYCen_HK
dc.contributor.authorSumathy, Ken_HK
dc.date.accessioned2010-09-06T07:18:13Z-
dc.date.available2010-09-06T07:18:13Z-
dc.date.issued2006en_HK
dc.identifier.citationSolar Energy Materials And Solar Cells, 2006, v. 90 n. 13, p. 2000-2009en_HK
dc.identifier.issn0927-0248en_HK
dc.identifier.urihttp://hdl.handle.net/10722/76160-
dc.description.abstractA theoretical model based on an integration of both Schottky barrier model and electron diffusion differential model was developed to determine the TiO2/TCO interfacial effect on the current-voltage (J-V) characteristics of a dye-sensitized solar cell (DSSC). The thermionic-emission theory was appropriately applied to describe the electron transfer at the TiO2/TCO interface. A parametric analysis was conducted to study how the photoelectric outputs varied with multiple independent variables, such as Schottky barrier height ( φb) and temperature. It was found that the variation of the maximum DSSC power output (Pmax) was insignificant when φb varied at a low value; however, an increase in φb exceeding a critical value caused an apparent decrease in the maximum DSSC power output. The theoretical results were quantitatively compared and agreed very well with published theoretical results. The experimental data from literature were found to agree well with the present theoretical results, qualitatively validating the present model. The theoretical model can be applied to facilitate selection of suitable TCO material in DSSC design to avoid the adverse TiO2/TCO interfacial effect. © 2006 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
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.rightsSolar Energy Materials & Solar Cells. Copyright © Elsevier BV.en_HK
dc.subjectDye-sensitized solar cellen_HK
dc.subjectSchottky barrieren_HK
dc.subjectTiO2/TCO interfaceen_HK
dc.titleTheoretical modeling of TiO2/TCO interfacial effect on dye-sensitized solar cell performanceen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0927-0248&volume=90&spage=2000&epage=2009&date=2006&atitle=Theoretical+modeling+of+TiO2/TCO+interfacial+effect+on+dye-sensitized+solar+cell+performanceen_HK
dc.identifier.emailLeung, MKH:en_HK
dc.identifier.emailLeung, DYC: ycleung@hku.hken_HK
dc.identifier.authorityLeung, MKH=rp00148en_HK
dc.identifier.authorityLeung, DYC=rp00149en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.solmat.2006.02.005en_HK
dc.identifier.scopuseid_2-s2.0-33646824354en_HK
dc.identifier.hkuros142190en_HK
dc.identifier.hkuros117354-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33646824354&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume90en_HK
dc.identifier.issue13en_HK
dc.identifier.spage2000en_HK
dc.identifier.epage2009en_HK
dc.identifier.isiWOS:000238594000013-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridNi, M=9268339800en_HK
dc.identifier.scopusauthoridLeung, MKH=8862966600en_HK
dc.identifier.scopusauthoridLeung, DYC=7203002484en_HK
dc.identifier.scopusauthoridSumathy, K=7005801177en_HK

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