Abstract
The effect of Au plasmonic on the photoelectrical properties of TiO2 nanostructure with different morphologies, i.e. nanosphericals, nanowalls, and nanorods, has been investigated. We found that the morphology strongly influences the nature of photoelectrical property modification by the Au plasmonic effect. TiO2 nanowalls with large-area (001) facet, i.e. the second highest energy facet in anatase phase, undergo the highest in the properties changes that were followed by the nanorods and nanosphericals. However, owing to the performance of DSSC device depends on the nature of photoanode attachment on the FTO substrate, the highest photovoltaic performance was given by the TiO2 nanorods, which is the strongest attachment onto the substrate surface. The present results can provide a straightforward approach for realizing high-performance DSSC device.
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Acknowledgements
The authors are grateful for financial support from Universitas Andalas for supporting this project under PDUPT Grant no. 163/SP2H/LT/DRPM/2019 and the Ministry of Higher Education of Malaysia under FRGS/1/2019/STG02/UKM/02/03. The project is also partly supported by Universiti Kebangsaan Malaysia under MI-2019-001.
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Nabilah Alias: on study leave from Fakulti Sains and Teknologi Industri, Universiti Malaysia Pahang.
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Dahlan, D., Alias, N., Saad, S.K.M. et al. Photoelectrical properties of anatase TiO2 with different morphologies under Au plasmonic effect. Appl. Phys. A 126, 734 (2020). https://doi.org/10.1007/s00339-020-03910-x
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DOI: https://doi.org/10.1007/s00339-020-03910-x