Silicon interference solar cells for photonic power conversion and broad band applications

Zeynep Durmaz, Sebastian Husein, Rebecca Saive

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Abstract

We present the concept of interference solar cells for enhanced absorption in thin (<13 μm) silicon absorber layers for high efficiency, targeted wavelength energy conversion, using a silicon heterojunction (SHJ) layer stack. Significant absorption enhancements are computationally demonstrated for a broad range of single, targeted wavelengths (300-1100 nm). Up to 91% absorption occurs in the long wavelength range - an absolute enhancement of 23% compared to absorption of the same wavelength in conventional SHJs. Compared to SHJs of similar thickness, these enhancements give a short circuit current density increase of 19% (from 25.8 mA/cm2 to 30.7 mA/cm2).

Original languageEnglish
Title of host publication2021 IEEE 48th Photovoltaic Specialists Conference, PVSC 2021
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages395-398
Number of pages4
ISBN (Electronic)978-1-6654-1922-2
ISBN (Print)978-1-6654-3018-0
DOIs
Publication statusPublished - 26 Aug 2021
Event48th IEEE Photovoltaic Specialists Conference, PVSC 2021 - Fort Lauderdale, United States
Duration: 20 Jun 202125 Jun 2021
Conference number: 48

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
PublisherIEEE
ISSN (Print)0160-8371

Conference

Conference48th IEEE Photovoltaic Specialists Conference, PVSC 2021
Abbreviated titlePVSC 2021
Country/TerritoryUnited States
CityFort Lauderdale
Period20/06/2125/06/21

Keywords

  • Light trapping
  • Power electronics
  • Thin silicon

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