Interfacial Engineering of P3HT/ZnO Hybrid Solar Cells Using Phthalocyanines: A Joint Theoretical and Experimental Investigation (Articolo in rivista)

Type
Label
  • Interfacial Engineering of P3HT/ZnO Hybrid Solar Cells Using Phthalocyanines: A Joint Theoretical and Experimental Investigation (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/aenm.201301694 (literal)
Alternative label
  • Mattioli, Giuseppe and Dkhil, Sadok Ben and Saba, Maria Ilenia and Malloci, Giuliano and Melis, Claudio and Alippi, Paola and Filippone, Francesco and Giannozzi, Paolo and Thakur, Anil Kumar and Gaceur, Meriem and Margeat, Olivier and Diallo, Abdou Karim and Videlot-Ackermann, Christine and Ackermann, Jorg and Amore Bonapasta, Aldo and Mattoni, Alessandro (2014)
    Interfacial Engineering of P3HT/ZnO Hybrid Solar Cells Using Phthalocyanines: A Joint Theoretical and Experimental Investigation
    in Advanced energy materials (Internet)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mattioli, Giuseppe and Dkhil, Sadok Ben and Saba, Maria Ilenia and Malloci, Giuliano and Melis, Claudio and Alippi, Paola and Filippone, Francesco and Giannozzi, Paolo and Thakur, Anil Kumar and Gaceur, Meriem and Margeat, Olivier and Diallo, Abdou Karim and Videlot-Ackermann, Christine and Ackermann, Jorg and Amore Bonapasta, Aldo and Mattoni, Alessandro (literal)
Pagina inizio
  • 1301694 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1002/aenm.201301694 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Struttura della Materia del CNR, Monterotondo Stazione (RM), Italy Aix-Marseille Université, Marseille, France Istituto Officina dei Materiali (CNR-IOM), Unità di Cagliari, Cittadella Universitaria, Monserrato, CA, Italy Department of Chemistry Physics, and Environment, University of Udine, Udine, Italy (literal)
Titolo
  • Interfacial Engineering of P3HT/ZnO Hybrid Solar Cells Using Phthalocyanines: A Joint Theoretical and Experimental Investigation (literal)
Abstract
  • Atomistic simulations and experimental investigations are combined to study heterojunction interfaces of hybrid polymer solar cells, with the aim to better understand and precisely predict their photovoltaic properties. The focus is on a hybrid ternary model system based on a poly(3-hexylthiophene) (P3HT)/zinc phthalocyanine (ZnPc)/ZnO interface, in which a ZnPc interlayer is applied to improve the performance of the hybrid interface. Theoretical predictions of the ternary system are validated against the properties of a concrete P3HT/ZnPc/ZnO planar heterojunction device. The theoretical predictions closely agree with the photovoltaic properties obtained in P3HT/ZnPc/ZnO solar cells, indicating the strength of the method for modeling hybrid heterojunction interfaces. The theoretical and experimental results reveal that: i) ZnPc molecules in direct contact with a ZnO surface insert new energy levels due to a strong ZnPc/ZnO coupling, ii) electron injection from these new energy levels of ZnPc into ZnO is highly efficient, iii) the ZnPc/ZnO coupling strongly influences the energy levels of the ZnO and P3HT leading to a reduction of the open circuit voltage, and iv) charge carrier recombination at the P3HT/ZnO interface is reduced by the ZnPc interlayer. The intercalation of ZnPc leads to an increase in photocurrent as well as to an overall increase in power conversion. (literal)
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