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http://ir.mu.ac.ke:8080/jspui/handle/123456789/5060
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DC Field | Value | Language |
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dc.contributor.author | Sanni, D. M. 1 | - |
dc.contributor.author | Ntsoenzok, E. | - |
dc.contributor.author | E. Saintaimé, E. | - |
dc.contributor.author | Adeniji, S, A. | - |
dc.contributor.author | Oyelade, O. V. | - |
dc.contributor.author | Koech, R. K. | - |
dc.contributor.author | Amune, D. I. | - |
dc.contributor.author | Bello, A. | - |
dc.date.accessioned | 2021-08-18T11:50:50Z | - |
dc.date.available | 2021-08-18T11:50:50Z | - |
dc.date.issued | 2020 | - |
dc.identifier.uri | http://ir.mu.ac.ke:8080/jspui/handle/123456789/5060 | - |
dc.description.abstract | In this research, we demonstrated the use of hafnium acetylacetonate (Hfaca) dissolved in ethanol as a buffer layer for perovskite solar cells from non-halide Pb (dehydrated lead acetate) source material. The inverted p-i-n planar heterojunction structure was employed in this work. A one step spin-coating method was used in depositing the perovskite solution before thermal annealing at 90 ○ C for 5 min to form the perovskite film. Hfaca has been previously used as a buffer layer, but the optimal concentration has not been reported. The optimum concentration of Hfaca was found to be 1.0 mg/ml, resulting in a power conversion efficiency (PCE) of 12.23% corresponding to more than 30% improvement when compared to the control device (phenyl-C 61 -butyric acid methyl ester/Ag) without Hfaca, which has a PCE of 8.89%. Hfaca as a buffer layer leads to superior stability, retaining about 90% of its original PCE values after 15 days of storage in a glove box, compared to the control device, which retains 70% of the initial PCE value under the same storage. | en_US |
dc.language.iso | en | en_US |
dc.publisher | AIP | en_US |
dc.subject | hafnium acetylacetonate | en_US |
dc.subject | lead halide perovskite | en_US |
dc.subject | dehydrated lead acetate | en_US |
dc.title | The role of hafnium acetylacetonate buffer layer on the performance of lead halide perovskite solar cells derived from dehydrated lead acetate as Pb source | en_US |
dc.type | Article | en_US |
Appears in Collections: | School of Biological and Physical Sciences |
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File | Description | Size | Format | |
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5.0012646.pdf | 3.06 MB | Adobe PDF | View/Open |
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