Sterically demanded unsymmetrical zinc phthalocyanines for dye-sensitized solar cells (Articolo in rivista)

Type
Label
  • Sterically demanded unsymmetrical zinc phthalocyanines for dye-sensitized solar cells (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.dyepig.2013.04.007 (literal)
Alternative label
  • Lingamallu Giribabu (a), Varun Kumar Singh (a), Tejaswi Jella (a), Yarasi Soujanya (b), Anna Amat (c,d), Filippo De Angelis (c), Aswani Yella (e), Peng Gao (e), Mohammad Khaja Nazeeruddin (e) (2013)
    Sterically demanded unsymmetrical zinc phthalocyanines for dye-sensitized solar cells
    in Dyes and pigments
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lingamallu Giribabu (a), Varun Kumar Singh (a), Tejaswi Jella (a), Yarasi Soujanya (b), Anna Amat (c,d), Filippo De Angelis (c), Aswani Yella (e), Peng Gao (e), Mohammad Khaja Nazeeruddin (e) (literal)
Pagina inizio
  • 518 (literal)
Pagina fine
  • 529 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0143720813001344 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 98 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a: Inorganic & Physical Chemistry Division, CSIR - Indian Institute of Chemical Technology, Hyderabad 500607, India b: Molecular Modelling Group, CSIR - Indian Institute of Chemical Technology, Hyderabad 500067, India c: Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze Tecnologie Molecolari, Via Elce di Sotto 8, I-06123 Perugia, Italy d: Dipartimento di Chimica, Università di Perugia, Via elce di Sotto 8, 06213 Perugia, Italy e: Laboratory for Photonics and Interfaces, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland (literal)
Titolo
  • Sterically demanded unsymmetrical zinc phthalocyanines for dye-sensitized solar cells (literal)
Abstract
  • Three new sterically demanding unsymmetrical zinc phthalocyanines have been designed and synthesized as sensitizers for dye-sensitized solar cells. All three unsymmetrical phthalocyanines have been completely characterized by elemental analyses, mass spectrometry, FT-IR, 1H NMR, UV-Visible, and fluorescence (steady-state and life-time) spectroscopies as well as electrochemical methods. Photophysical properties (absorption, emission and redox properties) indicate that the LUMO of unsymmetrical phthalocyanines lies above the TiO2 conduction band and HOMO is below the redox electrolyte. The experimental results are supported by DFT/TD-DFT studies. Electrochemical and in-situ spectroelectrochemical studies suggest that the redox reactions belong to the macrocyclic ring-based electron transfer processes. All three unsymmetrical phthalocyanines were tested in DSSC using I-/I3- redox electrolyte system. (literal)
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