Outdoor performance of a tandem InGaP/Si photovoltaic luminescent solar concentrator

Megan Phelan, David R. Needell, Haley Bauser, Hanxiao Su, Michael Deceglie, San Theingi, Brent Koscher, Zach Nett, Colton R. Bukowsky, Ognjen Ilic, Paul Stradins, John Geisz, Ralph Nuzzo, A. Paul Alivisatos, Harry A. Atwater

Research output: Contribution to journalArticlepeer-review

Abstract

We report the design, fabrication and outdoor characterization of a tandem luminescent solar concentrator/Si multi-junction photovoltaic module. Our tandem LSC/Si device consists of an InGaP LSC functioning as a top cell and a passivated contact Si bottom cell. The LSC comprises of an InGaP microcell array coupled to a polymer waveguide, loaded with CdSe/CdS core-shell quantum dot luminophores. The light trapping efficiency of the LSC waveguide is enhanced by encapsulation with photoluminescence trapping mirrors consisting of dielectric multilayer thin films. We demonstrate the performance of the LSC/Si device through a series of outdoor tests under various irradiance conditions conducted at the National Renewable Energy Laboratory. We report the first outdoor testing data of an LSC/Si tandem module, displaying maintained performance across varied diffusivity conditions for the LSC component. Finally, we model the tandem module performance using a ray optic simulation-based multiphysics model and forecast a pathway for high efficiency tandem LSC/Si module performance.

Original languageEnglish (US)
Article number110945
JournalSolar Energy Materials and Solar Cells
Volume223
DOIs
StatePublished - May 2021
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported in part by the Advanced Research Projects Agency for Energy ( ARPA-E, U.S. Department of Energy Micro-scale Optimized Solar-cell Arrays with Integrated Circuits (MOSAIC) Award DE-AR0000627 , and in part by the Engineering Research Center Program of the National Science Foundation and the Office of Energy Efficiency and Renewable Energy of the Department of Energy under NSF Cooperative Agreement No. EEC-1041895 . The authors thank Joshua Morse for his expertise in the outdoor testing facility setup, Waldo Olavarria for OMVPE growth of GaInP cells, and the Resnick Institute for Sustainability at the California Institute of Technology for their continued support. This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under Contract No. DE-AC36-08GO28308 . Funding was provided by ARPA-E . The views expressed in the article do not necessarily represent the views of the DOE or the U.S. Government. The U.S. Government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes.

Funding Information:
This work was supported in part by the Advanced Research Projects Agency for Energy (ARPA-E, U.S. Department of Energy Micro-scale Optimized Solar-cell Arrays with Integrated Circuits (MOSAIC) Award DE-AR0000627, and in part by the Engineering Research Center Program of the National Science Foundation and the Office of Energy Efficiency and Renewable Energy of the Department of Energy under NSF Cooperative Agreement No. EEC-1041895. The authors thank Joshua Morse for his expertise in the outdoor testing facility setup, Waldo Olavarria for OMVPE growth of GaInP cells, and the Resnick Institute for Sustainability at the California Institute of Technology for their continued support. This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under Contract No. DE-AC36-08GO28308. Funding was provided by ARPA-E. The views expressed in the article do not necessarily represent the views of the DOE or the U.S. Government. The U.S. Government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes.

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

  • Luminescent solar concentrator
  • Microcell
  • Outdoor testing
  • Quantum dot
  • Tandem photovoltaic

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