Lattice-Mismatched Approaches for High-Performance, III-V Photovoltaic Energy Converters

M. W. Wanlass, S. P. Ahrenkiel, R. K. Ahrenkiel, D. S. Albin, J. J. Carapella, A. Duda, J. F. Geisz, Sarah Kurtz, T. Moriarty, R. J. Wehrer, B. Wernsman

Research output: Contribution to conferencePaperpeer-review

72 Scopus Citations

Abstract

We discuss lattice-mismatched (LMM) approaches utilizing compositionally step-graded layers and buffer layers that yield III-V photovoltaic devices with performance parameters equaling those of similar lattice-matched (LM) devices. Our progress in developing high-performance, LMM, InP-based GaInAs/InAsP materials and devices for thermophotovoltaic (TPV) energy conversion is highlighted. A novel, monolithic, multi-bandgap, tandem device for solar PV (SPV) conversion involving LMM materials is also presented along with promising preliminary performance results.

Original languageAmerican English
Pages530-535
Number of pages6
StatePublished - 2005
Event31st IEEE Photovoltaic Specialists Conference - 2005 - Lake Buena Vista, FL, United States
Duration: 3 Jan 20057 Jan 2005

Conference

Conference31st IEEE Photovoltaic Specialists Conference - 2005
Country/TerritoryUnited States
CityLake Buena Vista, FL
Period3/01/057/01/05

Bibliographical note

For preprint version see NREL/CP-520-37440

NREL Publication Number

  • NREL/CP-520-38884

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