Desirable TiO2 compact films for nanostructured hybrid solar cells

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dc.contributor.authorYun, JHen_AU
dc.contributor.authorLyu, MQen_AU
dc.contributor.authorAhmed, Ren_AU
dc.contributor.authorTriani, Gen_AU
dc.date.accessioned2023-10-03T01:40:22Zen_AU
dc.date.available2023-10-03T01:40:22Zen_AU
dc.date.issued2019-08-08en_AU
dc.date.statistics2023-09-28en_AU
dc.description.abstractTwo different TiO2 compact films, fabricated by sol-gel spin-coating (SC) and spray-pyrolysis (SP) processes, were employed as an electron transport layer (ETL) to the nanostructured hybrid perovskite solar cells (PSCs), and they were comprehensively investigated through the various characterisation approaches using electrochemical and physicochemical approaches. With cyclic voltammetry and XPS results, the absence of pinholes on the SP-TiO2 compact films was indicated, and AFM and SEM results confirmed the SP-TiO2 compact films had lower surface roughness and more compact particle connectivity, offering a decent interface between the perovskite active layer and the adjacent TiO2 films. The performance of the SP-PSCs using the SP-TiO2 compact films was 7.06%, which was 3 times higher than that of the SC-PSCs. Voc decay measurement also confirmed that such pinhole-free and improved film interfaces of SP-TiO2 compact films contributed to elongating electron lifetime in PSCs by the enhanced hole blocking effect of the SP-TiO2 compact films. © 2020 Informa UK Limiteden_AU
dc.description.sponsorshipFinancial support from CRC-Polymers, ARC DP and DECRA programs is acknowledged. This work was performed in part at the Queensland node of the Australian National Fabrication Facility (ANFF) and Australian Microscopy & Microanalysis Research Facility at the Centre for Microscopy and Microanalysis (CMM), The University of Queensland (UQ). Dr Barry Wood from Centre for Microscopy and Microanalysis at UQ is gratefully acknowledged for his help in XPS measurement and analysis. This work was supported by the Australian Research Council (AU) [DP170104379];Australian Research Council (AU) [DE180101253].en_AU
dc.identifier.citationYun, J.-H., Lyu, M., Ahmed, R., & Triani, G. (2020). Desirable TiO2 compact films for nanostructured hybrid solar cells. Materials Technology, 35(1), 31-38. doi:10.1080/10667857.2019.1651504en_AU
dc.identifier.issn1753-5557en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleMaterials Technologyen_AU
dc.identifier.pagination31-38en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15138en_AU
dc.identifier.volume35en_AU
dc.language.isoenen_AU
dc.publisherTaylor & Francisen_AU
dc.relation.urihttps://doi.org/10.1080/10667857.2019.1651504en_AU
dc.subjectThin Filmsen_AU
dc.subjectTitanium oxidesen_AU
dc.subjectPerovskiteen_AU
dc.subjectSolar cellsen_AU
dc.subjectPyrolysisen_AU
dc.subjectNanostructuresen_AU
dc.subjectHolesen_AU
dc.subjectSol-gel processen_AU
dc.titleDesirable TiO2 compact films for nanostructured hybrid solar cellsen_AU
dc.typeJournal Articleen_AU
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