Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells

Antonio Abate, Sanghyun Paek, Fabrizio Giordano, Juan Pablo Correa-Baena, Michael Saliba, Peng Gao, Taisuke Matsui, Jaejung Ko, Shaik M. Zakeeruddin, Klaus H. Dahmen, Anders Hagfeldt, Michael Grätzel, Mohammad Khaja Nazeeruddin

Research output: Contribution to journalArticle

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Abstract

In this work, we synthesized novel hole transporting materials (HTMs) and studied their impact on the stability of perovskite-based solar cells (PSCs). The steady-state maximum power output of devices in working condition was monitored to assess the stability and predict the lifetime of PSCs prepared using different HTMs. We showed that the HTM has a significant impact on the device lifetime and found that novel silolothiophene linked methoxy triphenylamines (Si-OMeTPAs) enable more stable PSCs. We reported Si-OMeTPA based devices with a half-life of 6 K h, compared to 1 K h collected for the state-of-the-art PSCs using spirofluorene linked methoxy triphenylamines (spiro-OMeTADs) as HTMs. We demonstrated that such a clear improvement is correlated to the superior thermal stability of silolothiophene compared to the spirofluorene linked triphenylamine HTMs.

Original languageEnglish
Pages (from-to)2946-2953
Number of pages8
JournalEnergy and Environmental Science
Volume8
Issue number10
DOIs
Publication statusPublished - 1 Oct 2015

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perovskite
Perovskite
Solar cells
working conditions
half life
Thermodynamic stability
material
solar cell
Perovskite solar cells

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

Cite this

Abate, A., Paek, S., Giordano, F., Correa-Baena, J. P., Saliba, M., Gao, P., ... Nazeeruddin, M. K. (2015). Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells. Energy and Environmental Science, 8(10), 2946-2953. https://doi.org/10.1039/c5ee02014j

Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells. / Abate, Antonio; Paek, Sanghyun; Giordano, Fabrizio; Correa-Baena, Juan Pablo; Saliba, Michael; Gao, Peng; Matsui, Taisuke; Ko, Jaejung; Zakeeruddin, Shaik M.; Dahmen, Klaus H.; Hagfeldt, Anders; Grätzel, Michael; Nazeeruddin, Mohammad Khaja.

In: Energy and Environmental Science, Vol. 8, No. 10, 01.10.2015, p. 2946-2953.

Research output: Contribution to journalArticle

Abate, A, Paek, S, Giordano, F, Correa-Baena, JP, Saliba, M, Gao, P, Matsui, T, Ko, J, Zakeeruddin, SM, Dahmen, KH, Hagfeldt, A, Grätzel, M & Nazeeruddin, MK 2015, 'Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells', Energy and Environmental Science, vol. 8, no. 10, pp. 2946-2953. https://doi.org/10.1039/c5ee02014j
Abate, Antonio ; Paek, Sanghyun ; Giordano, Fabrizio ; Correa-Baena, Juan Pablo ; Saliba, Michael ; Gao, Peng ; Matsui, Taisuke ; Ko, Jaejung ; Zakeeruddin, Shaik M. ; Dahmen, Klaus H. ; Hagfeldt, Anders ; Grätzel, Michael ; Nazeeruddin, Mohammad Khaja. / Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells. In: Energy and Environmental Science. 2015 ; Vol. 8, No. 10. pp. 2946-2953.
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