A Silanol-Functionalized Polyoxometalate with Excellent Electron Transfer Mediating Behavior to ZnO and TiO 2 Cathode Interlayers for Highly Efficient and Extremely Stable Polymer Solar Cells

Hdl Handle:
http://hdl.handle.net/10034/620964
Title:
A Silanol-Functionalized Polyoxometalate with Excellent Electron Transfer Mediating Behavior to ZnO and TiO 2 Cathode Interlayers for Highly Efficient and Extremely Stable Polymer Solar Cells
Authors:
Tountas, Marinos; Topal, Yasemin; Verykios, Apostolos; Soultati, Anastasia; Kaltzoglou, Andreas; Papadopoulos, Theodoros A.; Auras, Florian; Seintis, Kostas; Fakis, Mihalis; Palilis, Leonidas C.; Tsikritzis, Dimitris; Kennou, Stella; Fakharuddin, Azhar; Schmidt-Mende, Lukas; Gardelis, Spyros; Kus, Mahmut; Falaras, Polycarpos; Davazoglou, Dimitris; Argitis, Panagiotis; Vasilopoulou, Maria
Abstract:
Combining high efficiency and long lifetime under ambient conditions still poses a major challenge towards commercialization of polymer solar cells. Here we report a facile strategy that can simultaneously enhance the efficiency and temporal stability of inverted photovoltaic architectures. Inclusion of a silanol-functionalized organic–inorganic hybrid polyoxometalate derived from a PW9O34 lacunary phosphotungstate anion, namely (nBu4N)3[PW9O34(tBuSiOH)3], significantly increases the effectiveness of the electron collecting interface, which consists of a metal oxide such as titanium dioxide or zinc oxide, and leads to a high efficiency of 6.51% for single-junction structures based on poly(3-hexylthiophene):indene-C60 bisadduct (P3HT:IC60BA) blends. The above favourable outcome stems from a large decrease in the work function, an effective surface passivation and a decrease in the surface energy of metal oxides which synergistically result in the outstanding electron transfer mediating capability of the functionalized polyoxometalate. In addition, the insertion of a silanol-functionalized polyoxometalate layer significantly enhances the ambient stability of unencapsulated devices which retain nearly 90% of their original efficiencies (T90) after 1000 hours.
Affiliation:
National Centre for Scientific Research “Demokritos"; University of Athens; Pamukkale University Cal Vocational High School; University of Patras; University of Chester; University of Cambridge; University of Konstanz; Selcuk University
Citation:
Tountas, M., et al. (2017). A Silanol-Functionalized Polyoxometalate with Excellent Electron Transfer Mediating Behavior to ZnO and TiO 2 Cathode Interlayers for Highly Efficient and Extremely Stable Polymer Solar Cells. Journal of Materials Chemistry C, 6, 1459-1469. http://doi.org/10.1039/C7TC04960A
Publisher:
Royal Society of Chemistry
Journal:
Journal of Materials Chemistry C
Publication Date:
21-Dec-2017
URI:
http://hdl.handle.net/10034/620964
DOI:
10.1039/C7TC04960A
Additional Links:
http://pubs.rsc.org/en/content/articlelanding/2018/tc/c7tc04960a#!divAbstract
Type:
Article
Language:
en
ISSN:
2050-7526
Appears in Collections:
Natural Sciences

Full metadata record

DC FieldValue Language
dc.contributor.authorTountas, Marinosen
dc.contributor.authorTopal, Yaseminen
dc.contributor.authorVerykios, Apostolosen
dc.contributor.authorSoultati, Anastasiaen
dc.contributor.authorKaltzoglou, Andreasen
dc.contributor.authorPapadopoulos, Theodoros A.en
dc.contributor.authorAuras, Florianen
dc.contributor.authorSeintis, Kostasen
dc.contributor.authorFakis, Mihalisen
dc.contributor.authorPalilis, Leonidas C.en
dc.contributor.authorTsikritzis, Dimitrisen
dc.contributor.authorKennou, Stellaen
dc.contributor.authorFakharuddin, Azharen
dc.contributor.authorSchmidt-Mende, Lukasen
dc.contributor.authorGardelis, Spyrosen
dc.contributor.authorKus, Mahmuten
dc.contributor.authorFalaras, Polycarposen
dc.contributor.authorDavazoglou, Dimitrisen
dc.contributor.authorArgitis, Panagiotisen
dc.contributor.authorVasilopoulou, Mariaen
dc.date.accessioned2018-03-16T13:43:15Z-
dc.date.available2018-03-16T13:43:15Z-
dc.date.issued2017-12-21-
dc.identifier.citationTountas, M., et al. (2017). A Silanol-Functionalized Polyoxometalate with Excellent Electron Transfer Mediating Behavior to ZnO and TiO 2 Cathode Interlayers for Highly Efficient and Extremely Stable Polymer Solar Cells. Journal of Materials Chemistry C, 6, 1459-1469. http://doi.org/10.1039/C7TC04960Aen
dc.identifier.issn2050-7526-
dc.identifier.doi10.1039/C7TC04960A-
dc.identifier.urihttp://hdl.handle.net/10034/620964-
dc.description.abstractCombining high efficiency and long lifetime under ambient conditions still poses a major challenge towards commercialization of polymer solar cells. Here we report a facile strategy that can simultaneously enhance the efficiency and temporal stability of inverted photovoltaic architectures. Inclusion of a silanol-functionalized organic–inorganic hybrid polyoxometalate derived from a PW9O34 lacunary phosphotungstate anion, namely (nBu4N)3[PW9O34(tBuSiOH)3], significantly increases the effectiveness of the electron collecting interface, which consists of a metal oxide such as titanium dioxide or zinc oxide, and leads to a high efficiency of 6.51% for single-junction structures based on poly(3-hexylthiophene):indene-C60 bisadduct (P3HT:IC60BA) blends. The above favourable outcome stems from a large decrease in the work function, an effective surface passivation and a decrease in the surface energy of metal oxides which synergistically result in the outstanding electron transfer mediating capability of the functionalized polyoxometalate. In addition, the insertion of a silanol-functionalized polyoxometalate layer significantly enhances the ambient stability of unencapsulated devices which retain nearly 90% of their original efficiencies (T90) after 1000 hours.en
dc.language.isoenen
dc.publisherRoyal Society of Chemistryen
dc.relation.urlhttp://pubs.rsc.org/en/content/articlelanding/2018/tc/c7tc04960a#!divAbstracten
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectPolymer solar cellsen
dc.titleA Silanol-Functionalized Polyoxometalate with Excellent Electron Transfer Mediating Behavior to ZnO and TiO 2 Cathode Interlayers for Highly Efficient and Extremely Stable Polymer Solar Cellsen
dc.typeArticleen
dc.contributor.departmentNational Centre for Scientific Research “Demokritos"; University of Athens; Pamukkale University Cal Vocational High School; University of Patras; University of Chester; University of Cambridge; University of Konstanz; Selcuk Universityen
dc.identifier.journalJournal of Materials Chemistry Cen
dc.date.accepted2017-12-20-
or.grant.openaccessYesen
rioxxterms.funderUnfundeden
rioxxterms.identifier.projectUnfundeden
rioxxterms.versionAMen
rioxxterms.licenseref.startdate2018-12-21-
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