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Soluble tetratriphenylamine zn phthalocyanine as hole transporting material for perovskite solar cells

Nouri, E ; Sharif University of Technology | 2016

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  1. Type of Document: Article
  2. DOI: 10.1016/j.electacta.2016.11.052
  3. Publisher: Elsevier Ltd , 2016
  4. Abstract:
  5. Perovskite solar cells have been constructed under the standard procedure by employing soluble tetratriphenylamine-substituted Zn phthalocyanine as hole transporting material. Solution processed device construction was carried out under ambient conditions of 50–60% ambient humidity. Triphenylamine substitution played the double role of imparting solubility to the core metal phthalocyanine as well as to introduce electron-rich ligands, which could enhance the role of Zn phthalocyanine as hole transporter. Indeed, the obtained material was functional. The present data highlight tetratriphenylamine-substituted Zn phthalocyanine as hole transporting material but also highlight the importance of the presence of a buffer layer between the perovskite layer and the hole-transporting layer. Thus the efficiency of the cells was 9.0% in the absence but increased to 13.65% in the presence of Al2O3 buffer layer
  6. Keywords:
  7. Hole transport material ; Buffer layers ; Hole mobility ; Nitrogen compounds ; Perovskite ; Solar cells ; Zinc ; Ambient conditions ; Hole transport materials ; Hole transporting layers ; Hole-transporting materials ; Phthalocyanine ; Solution-processed ; Standard procedures ; Zn phthalocyanines ; Perovskite solar cells
  8. Source: Electrochimica Acta ; Volume 222 , 2016 , Pages 875-880 ; 00134686 (ISSN)
  9. URL: http://www.sciencedirect.com/science/article/pii/S0013468616323829?via%3Dihub