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Effect of Carbon Nanotubes on the performance of Perovskite Solar Cells

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Listed:
  • Rebecca Emmanuel Mfon
  • Ayomide Hassan Labulo
  • Zakiya Al Amri
  • Stanley Esaduwha
  • Jamilu Labaran

Abstract

Perovskite solar cells (PSCs) made with metal halide are affordable and can give better efficiency values than older versions but their low efficiency values is still a concern. Two Perovskite solar cells were fabricated and one had Multi wall Carbon nanotube (MWCNT) in its design. The effect of the Multi-wall Carbon nanotube (MWCNT) on their performance and power conversion were studied. MWCNT and m-TiO2 materials were characterised using UV-vis spectroscopy and their optical energy band gap values were obtained. The TiO2 showed a prominent peak at 319 nm with absorbance 0.5 and its optical energy bandgap of 2.59 eV falls in the visible region showing it is a clean energy source with implications for solar energy conversion. The MWCNT has 2.19 eV and showed multiple peaks. A prominent peak at 329 nm with absorbance 0.6 which was blue shifted and a peak at 517 nm with absorbance 0.3 was red-shifted. The PSC with the MWCNT in the light had a fill factor of 0.53 but 0.47 was obtained for the PSC without the MWCNT. The PSC with MWCNT had power conversion efficiency (PCE) of 40.1 % in the dark, a value which was 2.7 % higher than the PCE of 37.4 % obtained for the same cell in light. Furthermore, the PSC without the MWCNT in the dark had a fill factor of 0.87 while the PSC with MWCNT in the dark had a fill factor was 0.51. The PSC with MWCNT had better power conversion efficiency when in the dark than in light.

Suggested Citation

  • Rebecca Emmanuel Mfon & Ayomide Hassan Labulo & Zakiya Al Amri & Stanley Esaduwha & Jamilu Labaran, 2022. "Effect of Carbon Nanotubes on the performance of Perovskite Solar Cells," European Journal of Energy Research, European Open Science, vol. 2(4), pages 62-68, July.
    • Handle: RePEc:epw:energy:v:2:y:2022:i:4:id:7083
    DOI: 10.24018/ejenergy.2022.2.4.83
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    1. Hauck, Mara & Ligthart, Tom & Schaap, Martijn & Boukris, Elise & Brouwer, Derk, 2017. "Environmental benefits of reduced electricity use exceed impacts from lead use for perovskite based tandem solar cell," Renewable Energy, Elsevier, vol. 111(C), pages 906-913.
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