Bismuth oxide nanoplates-based efficient DSSCs: Influence of ZnO surface passivation layer
- Bismuth oxide nanoplates-based efficient DSSCs: Influence of ZnO surface passivation layer
- 쇼옙; Gul Rahman; 마네; 주오심
- Dye sensitized solar cells; Bi2O3 nanoplates; Structural and morphological studies; IPCE; Impedance spectroscopy
- Issue Date
- Electrochimica acta
- VOL 111, 593-600
- For the first time, bismuth oxide (Bi2O3) nanoplates synthesized by single-step chemical methodwere envisaged as photoanodes in dye-sensitized solar cells. The structural elucidation demonstratedtetragonal structure with a predominant β-Bi2O3. The power conversion efficiency (1%) of Bi2O3nanoplates-based dye-sensitized solar cells was enhanced up to 50% when decorated with zinc oxidethin layer (ZnO). The best performing electrode showed 24% incident photon-to-current conversion effi-ciency. This high DSSC performance of Bi2O3-ZnO photoanode is attributed to the increased electrontransportation due to the suppression of recombination centers by ZnO passivation layer.
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