Enhanced Photovoltaic Performance and X-ray Sensing Capabilities of MoSe2 Nanosheet-Based Bulk Heterojunction Polymer Solar Cells: A Comparative Study of Power Conversion Efficiency and Sensitivity

Sikandar Aftab, Hailiang Liu, Maria Mukhtar, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani, Ghulam M. Mustafa, Burragoni Sravanthi Goud, Jae Hong Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This study focuses on the photovoltaic performance of MoSe2 nanosheet-based bulk heterojunction polymer solar cells, with particular attention paid to power conversion efficiency (PCE) and other important parameters. The PCE values of the pure solar cell are 5.88%, while those of NS1, NS2, and NS3 are 6.61, 8.39, and 7.37%, respectively. The optimized MoSe2 NS2 hybrid at 5 wt % in the active layer exhibits the highest PCE of 8.39%, the highest short-circuit current density of 15.865 mA/cm2, and the highest open-circuit voltage of 0.837 V which outperforming other configurations. Turning our attention to X-ray detectors, we find that the same concentration of MoSe2 NS2 works best, producing the highest sensitivity of 2.65 mA/Gy·cm2 and a collected current density of 8.85 μA/cm2. These results highlight how versatile MoSe2 NSs are in improving the performance of solar cells and X-ray detectors. MoSe2 NS2 at 5 wt % stands out as a particularly promising configuration for effective energy conversion and X-ray sensing applications.

Original languageEnglish
Pages (from-to)590-600
Number of pages11
JournalACS Applied Electronic Materials
Volume7
Issue number1
DOIs
StatePublished - 14 Jan 2025

Keywords

  • BHJ PSCs
  • MoSe NSs
  • X-ray detectors
  • nanomaterials
  • polymer chemistry

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