Benzodithiazole-Based Hole-Transporting Material for Efficient Perovskite Solar Cells

T. Swetha, Md. Akhtaruzzaman, Towhid H. Chowdhury, Nowshad Amin, Ashraful Islam, Takeshi Noda, Hari M. Upadhyaya, Surya Prakash Singh

Research output: Contribution to journalArticle

Abstract

We have designed and synthesized a family of three novel benzodithiazole-based hole-transporting materials (HTMs) named as BTT-TPA, BTT-OMe and BTT-Me. These new HTMs are characterized by using 1H, 13C NMR, FTIR, elemental analysis, UV-Vis spectrophotometer, and cyclic voltammetry. The photovoltaic performances of these HTMs were successfully evaluated in perovskite solar cells (PSCs). Consequently, the PSCs based on BTT-TPA, BTT-Me and BTT-OMe HTMs showed Jsc of 12.81 mA cm−2, 11.87 mA cm−2, 13.85 mA cm−2, Voc of 0.88 V, 0.83 V, 0.87 V, a FF of 0.62, 0.63, 0.63 and the overall power conversion efficiency of (η) 6.99%, 6.20% and 7.44%, respectively. The easy synthetic route and purification technique provides the viability of these HTMs as future PSCs development.

Original languageEnglish
Pages (from-to)2497-2503
Number of pages7
JournalAsian Journal of Organic Chemistry
Volume7
Issue number12
DOIs
Publication statusPublished - 1 Dec 2018

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Ultraviolet spectrophotometers
Conversion efficiency
Cyclic voltammetry
Purification
Nuclear magnetic resonance
Perovskite solar cells
Chemical analysis

Keywords

  • benzodithiazole
  • efficiency
  • hole transporting materials (HTMs)
  • perovskite solar cells
  • Small molecule

ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Benzodithiazole-Based Hole-Transporting Material for Efficient Perovskite Solar Cells. / Swetha, T.; Akhtaruzzaman, Md.; Chowdhury, Towhid H.; Amin, Nowshad; Islam, Ashraful; Noda, Takeshi; Upadhyaya, Hari M.; Singh, Surya Prakash.

In: Asian Journal of Organic Chemistry, Vol. 7, No. 12, 01.12.2018, p. 2497-2503.

Research output: Contribution to journalArticle

Swetha, T. ; Akhtaruzzaman, Md. ; Chowdhury, Towhid H. ; Amin, Nowshad ; Islam, Ashraful ; Noda, Takeshi ; Upadhyaya, Hari M. ; Singh, Surya Prakash. / Benzodithiazole-Based Hole-Transporting Material for Efficient Perovskite Solar Cells. In: Asian Journal of Organic Chemistry. 2018 ; Vol. 7, No. 12. pp. 2497-2503.
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