Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells
© 2017 IEEE. Organic-inorganic hybrid perovskite solar cells (PSCs) have demonstrated enormous potential to replace the traditional silicon photovoltaics. In spite of impressive progress, an in-depth understanding of various physiochemical and electronic properties of PSCs are yet to be unravelled....
| Main Authors: | , , , , , , , |
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| Format: | Conference Paper |
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2018
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| Online Access: | http://hdl.handle.net/20.500.11937/74732 |
| _version_ | 1848763356898394112 |
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| author | Elumalai, Naveen Kumar Mahmud, A. Wang, D. Wright, M. Upama, M. Chan, K. Xu, C. Uddin, A. |
| author_facet | Elumalai, Naveen Kumar Mahmud, A. Wang, D. Wright, M. Upama, M. Chan, K. Xu, C. Uddin, A. |
| author_sort | Elumalai, Naveen Kumar |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 2017 IEEE. Organic-inorganic hybrid perovskite solar cells (PSCs) have demonstrated enormous potential to replace the traditional silicon photovoltaics. In spite of impressive progress, an in-depth understanding of various physiochemical and electronic properties of PSCs are yet to be unravelled. Anomalous hysteresis is one among them and its origin is a highly debated issue till date. In this work, the role of device structure and interfacial charge selective layer on the origin of hysteresis phenomenon was investigated. Normal devices with ZnO as electron transport layer exhibited excess interfacial capacitance in an order of magnitude higher than inverted devices with PCBM. Current-voltage characteristics correlated with capacitance measurements revealed that the electrode polarization as a consequence of ion migration and interfacial defect states might be a possible origin for hysteresis in PSCs. |
| first_indexed | 2025-11-14T11:02:10Z |
| format | Conference Paper |
| id | curtin-20.500.11937-74732 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T11:02:10Z |
| publishDate | 2018 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-747322019-02-19T05:35:55Z Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells Elumalai, Naveen Kumar Mahmud, A. Wang, D. Wright, M. Upama, M. Chan, K. Xu, C. Uddin, A. © 2017 IEEE. Organic-inorganic hybrid perovskite solar cells (PSCs) have demonstrated enormous potential to replace the traditional silicon photovoltaics. In spite of impressive progress, an in-depth understanding of various physiochemical and electronic properties of PSCs are yet to be unravelled. Anomalous hysteresis is one among them and its origin is a highly debated issue till date. In this work, the role of device structure and interfacial charge selective layer on the origin of hysteresis phenomenon was investigated. Normal devices with ZnO as electron transport layer exhibited excess interfacial capacitance in an order of magnitude higher than inverted devices with PCBM. Current-voltage characteristics correlated with capacitance measurements revealed that the electrode polarization as a consequence of ion migration and interfacial defect states might be a possible origin for hysteresis in PSCs. 2018 Conference Paper http://hdl.handle.net/20.500.11937/74732 10.1109/PVSC.2017.8366111 restricted |
| spellingShingle | Elumalai, Naveen Kumar Mahmud, A. Wang, D. Wright, M. Upama, M. Chan, K. Xu, C. Uddin, A. Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title | Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title_full | Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title_fullStr | Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title_full_unstemmed | Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title_short | Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| title_sort | hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells |
| url | http://hdl.handle.net/20.500.11937/74732 |