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Synthesis and device applications of novel BTD-based hole transporting materials

  • Journal of Software Assessment and Valuation
  • Abbr : JSAV
  • 2025, 21(4), pp.149~157
  • Publisher : Korea Software Assessment and Valuation Society
  • Research Area : Engineering > Computer Science
  • Received : December 2, 2025
  • Accepted : December 20, 2025
  • Published : December 26, 2025

PAEK SANGHYUN 1

1상명대학교

Accredited

ABSTRACT

Perovskite solar cells, which are organometal halide solar cells, have excellent photoelectric conversion efficiencies. Their simple fabrication and use of low-cost materials have attracted considerable attention. This study developed a novel HTM with a D-A-D structure. Their optical properties were analyzed, in particular, BT-Me HTM demonstrated excellent thermal stability. A device was fabricated using a new HTM, and a photoelectric conversion efficiency of approximately 10 % was obtained.. While the efficiency was not as high as expected, a highly thermally stable HTM was synthesized by substituting a methyl group in benzothiadiazole. This finding could have a positive impact on solving the stability issue of perovskite solar cells in the future.

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