(Invited) Three-Dimensionally Structured Thin Film Heterojunction Photovoltaics on Interdigitated Back-Contacts

Fabrication and properties of three-dimensionally structured back-contact heterojunction solar cells are described. A variety of devices are explored, all of which were fabricated by electrochemical deposition of a semiconducting material on one of two interdigitated electrodes in a comb structure f...

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Bibliographic Details
Main Authors: Josell, Daniel, Beauchamp, Carlos, Hamadani, Behrang H., Jung, Suyong, Guyer, Jonathan, Motayed, Abhishek, Hangarter, Carlos, Gergel-Hackett, Nadine, Xu, Hua, Zhitenev, Nikolai
Format: Conference Proceeding
Language:English
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Summary:Fabrication and properties of three-dimensionally structured back-contact heterojunction solar cells are described. A variety of devices are explored, all of which were fabricated by electrochemical deposition of a semiconducting material on one of two interdigitated electrodes in a comb structure followed by deposition of a second semiconducting material over the entire surface, including over both the bare and coated electrodes in the comb. The performance of fabricated devices is described and interpreted using a simplified model of the device geometry, light absorption and carrier transport. The results demonstrate that the processes and structures are amenable to a broad array of materials and deposition techniques, providing well-defined geometries amenable to fabrication and study of 3-D structured photovoltaic devices.
ISSN:1938-5862
1938-6737
DOI:10.1149/1.3372606