Abstract
Fabrication of efficient, effective, and low-cost solar cell is still a challenging task using metal oxide semiconductors; in this work, γ-MnO2/α-Bi2O3 heterojunction was deposited on amorphous silicon substrate (a-Si) as a solar cell using vacuum thermal evaporation technique. XRD analysis of γ-MnO2/α-Bi2O3 showed a polycrystalline structure; SEM micrographs revealed that γ-MnO2 has quasi-spherical nanoparticles with a grain size average of 86.86 nm, while α-Bi2O3 has cauliflower-like microstructure with a grain size average of 250.71 nm; the optical bandgap were found to be 3.792 and 1.888 eV for γ-MnO2 and α-Bi2O3 respectively; I-V characteristic curve measurement was performed to evaluate the photovoltaic efficiency of MgF2/γ-MnO2/α-Bi2O3/a-Si solar cell and found to be 3.28%.
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The authors gratefully acknowledge the Nanotechnology and Advanced Materials Research Centre, University of Technology, Baghdad, Iraq, for conducting all the tests.
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Najim, A.A., Muhi, M.A., Gbashi, K.R. et al. Synthesis of Efficient and Effective γ-MnO2/α-Bi2O3/a-Si Solar Cell by Vacuum Thermal Evaporation Technique. Plasmonics 13, 891–895 (2018). https://doi.org/10.1007/s11468-017-0585-2
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DOI: https://doi.org/10.1007/s11468-017-0585-2