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Self-catalyzed GaAs(P) nanowires and their application for solar cells

Zhang, Y; Liu, H; (2020) Self-catalyzed GaAs(P) nanowires and their application for solar cells. Journal of Physics D: Applied Physics , 53 (23) , Article 233001. 10.1088/1361-6463/ab77dd. (In press). Green open access

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Abstract

Nanowires (NWs) are far superior to traditional thin-film counterparts in making high-efficiency low-cost solar cells (SCs) due to their advanced properties, such as reduced light reflection, strong light trapping, increased defect tolerance, and compatibility with Si substrates. This allows us to greatly reduce the quantity of required material and lessen demands on its quality to achieve sufficient light absorption, leading to substantial cost reduction. Self-catalysed III–V NWs are being widely used for SCs, especially GaAs(P) NWs. However, the special growth mode makes the SC design extremely complex and the existing theories cannot be used directly for guidance. Here, we review the recent breakthroughs and remaining challenges in growing and making self-catalysed NW SCs, with special attention given, but not limited, to GaAs(P) NWs.

Type: Article
Title: Self-catalyzed GaAs(P) nanowires and their application for solar cells
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/1361-6463/ab77dd
Publisher version: https://doi.org/10.1088/1361-6463/ab77dd
Language: English
Additional information: Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. http://creativecommons.org/licenses/by/4.0/
Keywords: self-catalysed nanowires, solar cells, GaAsP, nanowires
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10094885
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