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May 7, 2026Scientific Reports0 citationsOpen Access

Design and numerical investigation of perovskite solar cells with stacked bilayer absorber and P3HT/graphene hole transport layer

MDMehran DadashbeikMEMehdi EskandariDFDavood Fathi

Key Points

  • To explore the effectiveness of a bilayer perovskite absorber integrated with graphene-enhanced hole transport layers in solar cells.
  • Numerical modeling to design perovskite solar cells with a stacked bilayer absorber
  • Integration of P3HT/graphene as the hole transport layer
  • Evaluation of the performance metrics including open-circuit voltage and power conversion efficiency.
  • Achieved an open-circuit voltage of 1.025 V
  • Maximum power conversion efficiency (PCE) reached 17.79%
  • Synergistic integration of components leads to improved performance while retaining single-junction architecture.

Abstract

) of 1.025 V and a maximum PCE of 17.79%. These results demonstrate that the synergistic integration of a bilayer perovskite absorber and graphene-enhanced HTLs provides an effective strategy for improving PSC performance while maintaining a single-junction device architecture.

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Cite This Study

Dadashbeik et al. (2026) studied this question.

synapsesocial.com/papers/69fc2b608b49bacb8b347860https://doi.org/10.1038/s41598-026-50909-0
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