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- Publisher Website: 10.1021/acsami.0c21064
- Scopus: eid_2-s2.0-85104369423
- PMID: 33784076
- WOS: WOS:000641156600063
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Article: Hybrid 3D Nanostructure-Based Hole Transport Layer for Highly Efficient Inverted Perovskite Solar Cells
Title | Hybrid 3D Nanostructure-Based Hole Transport Layer for Highly Efficient Inverted Perovskite Solar Cells |
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Authors | |
Keywords | metal oxides nanostructure hole transport layer alignment band structure perovskite solar cells |
Issue Date | 2021 |
Publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick |
Citation | ACS Applied Materials & Interfaces, 2021, v. 13 n. 14, p. 16611-16619 How to Cite? |
Abstract | In this study, we demonstrate a new hybrid three-dimensional (3D) nanostructure system as an efficient hole transport layer (HTL) by a facile design of a low-temperature solution process. It is realized by integrating high-conductive chromium-doped CuGaO2 nanoplates synthesized with choline chloride (denoted as Cr/CuGaO2-CC) into ultrasmall NiOx nanoparticles. First, we propose to incorporate a Cr-doped strategy under hydrothermal synthesis conditions together with controllable intermediates and surfactants’ assistance to synthesize fine-sized Cr/CuGaO2-CC nanoplates. Subsequently, these two-dimensional (2D) nanoplates serve as the expressway for improving hole transportation/extraction properties. Meanwhile, the ultrasmall-sized NiOx nanoparticles are employed to modify the surface for achieving unique surface properties. The HTL formed from the designed hybrid 3D-nanostructured system exhibits the advantages of smooth and full-covered surface, remarkable charge collection efficiency, energy level alignment between the electrode and perovskite layer, and the promotion of perovskite crystal growth. Consequently, nearly 20% of power conversion efficiency with negligible hysteresis is achieved in inverted perovskite solar cells (PSCs). This work not only demonstrates the potential applications of a 3D-nanostructured Cr/CuGaO2-CC/NiOx hybrid HTL in PSCs but also provides a fundamental insight into the design of hybrid material systems by manipulating electric behavior and morphology structure for achieving high-performance photovoltaic devices. |
Persistent Identifier | http://hdl.handle.net/10722/305806 |
ISSN | 2021 Impact Factor: 10.383 2020 SCImago Journal Rankings: 2.535 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | OUYANG, D | - |
dc.contributor.author | CHEN, C | - |
dc.contributor.author | HUANG, Z | - |
dc.contributor.author | Zhu, L | - |
dc.contributor.author | Yan, Y | - |
dc.contributor.author | Choy, WCH | - |
dc.date.accessioned | 2021-10-20T10:14:35Z | - |
dc.date.available | 2021-10-20T10:14:35Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | ACS Applied Materials & Interfaces, 2021, v. 13 n. 14, p. 16611-16619 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | http://hdl.handle.net/10722/305806 | - |
dc.description.abstract | In this study, we demonstrate a new hybrid three-dimensional (3D) nanostructure system as an efficient hole transport layer (HTL) by a facile design of a low-temperature solution process. It is realized by integrating high-conductive chromium-doped CuGaO2 nanoplates synthesized with choline chloride (denoted as Cr/CuGaO2-CC) into ultrasmall NiOx nanoparticles. First, we propose to incorporate a Cr-doped strategy under hydrothermal synthesis conditions together with controllable intermediates and surfactants’ assistance to synthesize fine-sized Cr/CuGaO2-CC nanoplates. Subsequently, these two-dimensional (2D) nanoplates serve as the expressway for improving hole transportation/extraction properties. Meanwhile, the ultrasmall-sized NiOx nanoparticles are employed to modify the surface for achieving unique surface properties. The HTL formed from the designed hybrid 3D-nanostructured system exhibits the advantages of smooth and full-covered surface, remarkable charge collection efficiency, energy level alignment between the electrode and perovskite layer, and the promotion of perovskite crystal growth. Consequently, nearly 20% of power conversion efficiency with negligible hysteresis is achieved in inverted perovskite solar cells (PSCs). This work not only demonstrates the potential applications of a 3D-nanostructured Cr/CuGaO2-CC/NiOx hybrid HTL in PSCs but also provides a fundamental insight into the design of hybrid material systems by manipulating electric behavior and morphology structure for achieving high-performance photovoltaic devices. | - |
dc.language | eng | - |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick | - |
dc.relation.ispartof | ACS Applied Materials & Interfaces | - |
dc.rights | This document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html]. | - |
dc.subject | metal oxides | - |
dc.subject | nanostructure | - |
dc.subject | hole transport layer | - |
dc.subject | alignment band structure | - |
dc.subject | perovskite solar cells | - |
dc.title | Hybrid 3D Nanostructure-Based Hole Transport Layer for Highly Efficient Inverted Perovskite Solar Cells | - |
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 | 10.1021/acsami.0c21064 | - |
dc.identifier.pmid | 33784076 | - |
dc.identifier.scopus | eid_2-s2.0-85104369423 | - |
dc.identifier.hkuros | 327817 | - |
dc.identifier.volume | 13 | - |
dc.identifier.issue | 14 | - |
dc.identifier.spage | 16611 | - |
dc.identifier.epage | 16619 | - |
dc.identifier.isi | WOS:000641156600063 | - |
dc.publisher.place | United States | - |