Efficiency enhancement of P3HT:PCBM solar cells containing scattering Zn-Al hydrotalcite nanoparticles in the PEDOT:PSS layer (Articolo in rivista)

Type
Label
  • Efficiency enhancement of P3HT:PCBM solar cells containing scattering Zn-Al hydrotalcite nanoparticles in the PEDOT:PSS layer (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.2478/oph-2013-0001 (literal)
Alternative label
  • Margherita Bolognesi, Marta Tessarolo, Tamara Posati, Morena Nocchetti, Valentina Benfenati, Mirko Seri, Giampiero Ruani, Michele Muccini (2013)
    Efficiency enhancement of P3HT:PCBM solar cells containing scattering Zn-Al hydrotalcite nanoparticles in the PEDOT:PSS layer
    in Organic Photonics and Photovoltaics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Margherita Bolognesi, Marta Tessarolo, Tamara Posati, Morena Nocchetti, Valentina Benfenati, Mirko Seri, Giampiero Ruani, Michele Muccini (literal)
Pagina inizio
  • 1 (literal)
Pagina fine
  • 10 (literal)
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  • http://www.degruyter.com/view/j/oph.2013.1.issue/oph-2013-0001/oph-2013-0001.xml?format=INT (literal)
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  • 1 (literal)
Rivista
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  • 10 (literal)
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  • 1 (literal)
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  • Laboratory MIST E-R, Via P. Gobetti, 101 - Bologna I-40129, Italy Consiglio Nazionale delle Ricerche, Istituto per lo Studio dei Materiali Nanostrutturati (CNR-ISMN),Via P. Gobetti, 101 - Bologna I-40129, Italy Dipartimento di Chimica and Centro di Eccellenza Materiali Innovativi Nanostrutturati (CEMIN), Università di Perugia, Via Elce di Sotto 10, 06123 Perugia, Italy Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività (CNR-ISOF) Via P. Gobetti, 101 - Bologna I-40129, Italy (literal)
Titolo
  • Efficiency enhancement of P3HT:PCBM solar cells containing scattering Zn-Al hydrotalcite nanoparticles in the PEDOT:PSS layer (literal)
Abstract
  • In this article we report on a new hybrid (organic-inorganic) composite material based on hydrophilic, electrically inert and semi-transparent hydrotalcite (HT) nanoparticles and a pHneutral formulation of PEDOT:PSS. The application of thiscomposite material as electrically and optically active buffer layer in P3HT:PC61BM bulk heterojunction (BHJ) solar cells is reported. Two different synthetic routes are explored to obtain HTs having discoid shape, with a diameter of around 150-200 nm and a thickness of about 20 nm, to be easily embedded in about 50 nm thick PEDOT:PSS films. The good affinity between HTs and the sulfonate groups of the PEDOT:PSS allows to obtain homogeneous HTs/PEDOT:PSS films, for HT concentrations of 0.25% and 0.50% by weight (vs. PEDOT:PSS). At these particle loads the electrical and morphological features of doped and undoped PEDOT:PSS films are nearly identical, while providing a significant effect on the visible light scattering properties of the composite films. We demonstrate about 12% improvement in power conversion efficiency (PCE) for P3HT:PC61BM solar cells incorporating HTs in the PEDOT: PSS layer, which mainly originates from increased shortcircuit current densities (JSC ). (literal)
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