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- Publisher Website: 10.1002/admi.201900474
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Article: Soldering Grain Boundaries Yields Inverted Perovskite Solar Cells with Enhanced Open‐Circuit Voltages
Title | Soldering Grain Boundaries Yields Inverted Perovskite Solar Cells with Enhanced Open‐Circuit Voltages |
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Authors | |
Keywords | Grain boundaries Inorganic hole transport layer Nickel oxide Perovskite solar cells |
Issue Date | 2019 |
Publisher | Wiley-VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.ami-journal.com/ |
Citation | Advanced Materials Interfaces, 2019, v. 6 n. 14, article no. 1900474 How to Cite? |
Abstract | Grain boundaries (GBs) are one of the major sources of defects in a polycrystalline perovskite solar cell and can greatly increase the rate of charge carrier recombination. In the push to optimize the efficiency of perovskite solar cells, it is therefore extremely important to maximize the grain size and minimize the number of GBs. In the present work, the number of GBs is effectively reduced by introducing a suitable number of formamidinium and chloride ions into the methylammonium lead iodide (MAPbI3) absorber layer. Inverted perovskite solar cells, using NiOx nanocrystals as the low‐temperature‐fabricated hole transport layer, are prepared; the champion cell has an efficiency of 19.6%. This work demonstrates a simple method of minimizing the number of grain boundaries, which is critical to the future development of this technology. |
Persistent Identifier | http://hdl.handle.net/10722/275001 |
ISSN | 2023 Impact Factor: 4.3 2023 SCImago Journal Rankings: 1.194 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, Y | - |
dc.contributor.author | Sun, W | - |
dc.contributor.author | Gu, F | - |
dc.contributor.author | Ouyang, D | - |
dc.contributor.author | Bian, Z | - |
dc.contributor.author | Liu, Z | - |
dc.contributor.author | Choy, WCH | - |
dc.contributor.author | Kelly, TL | - |
dc.date.accessioned | 2019-09-10T02:33:23Z | - |
dc.date.available | 2019-09-10T02:33:23Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Advanced Materials Interfaces, 2019, v. 6 n. 14, article no. 1900474 | - |
dc.identifier.issn | 2196-7350 | - |
dc.identifier.uri | http://hdl.handle.net/10722/275001 | - |
dc.description.abstract | Grain boundaries (GBs) are one of the major sources of defects in a polycrystalline perovskite solar cell and can greatly increase the rate of charge carrier recombination. In the push to optimize the efficiency of perovskite solar cells, it is therefore extremely important to maximize the grain size and minimize the number of GBs. In the present work, the number of GBs is effectively reduced by introducing a suitable number of formamidinium and chloride ions into the methylammonium lead iodide (MAPbI3) absorber layer. Inverted perovskite solar cells, using NiOx nanocrystals as the low‐temperature‐fabricated hole transport layer, are prepared; the champion cell has an efficiency of 19.6%. This work demonstrates a simple method of minimizing the number of grain boundaries, which is critical to the future development of this technology. | - |
dc.language | eng | - |
dc.publisher | Wiley-VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.ami-journal.com/ | - |
dc.relation.ispartof | Advanced Materials Interfaces | - |
dc.subject | Grain boundaries | - |
dc.subject | Inorganic hole transport layer | - |
dc.subject | Nickel oxide | - |
dc.subject | Perovskite solar cells | - |
dc.title | Soldering Grain Boundaries Yields Inverted Perovskite Solar Cells with Enhanced Open‐Circuit Voltages | - |
dc.type | Article | - |
dc.identifier.email | Choy, WCH: chchoy@eee.hku.hk | - |
dc.identifier.authority | Choy, WCH=rp00218 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1002/admi.201900474 | - |
dc.identifier.scopus | eid_2-s2.0-85067020777 | - |
dc.identifier.hkuros | 302816 | - |
dc.identifier.volume | 6 | - |
dc.identifier.issue | 14 | - |
dc.identifier.spage | article no. 1900474 | - |
dc.identifier.epage | article no. 1900474 | - |
dc.identifier.isi | WOS:000478624200018 | - |
dc.publisher.place | Germany | - |
dc.identifier.issnl | 2196-7350 | - |