Limiting efficiencies of intermediate band solar cell assisted with multiple exciton generation

Jongwon Lee; Christiana Honsberg

doi:10.1109/PVSC.2011.6186361

Limiting efficiencies of intermediate band solar cell assisted with multiple exciton generation

Jongwon Lee, Christiana Honsberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

We propose the hybrid thermodynamic model using the intermediate band solar cells assisted with multiple exciton generation. We have calculated this thermodynamic model under blackbody radiation and standard AM1.5 spectrum and changed concentration to compare the conventional intermediate band solar cells. Because of multiple electron and hole pair at the conduction band edge, its maximum efficiencies and optimum bandgaps have been enhanced compared to conventional intermediate band solar cells. The maximum efficiencies of this solar cell are both 47.31 (Blackbody Radiation) and 49.85 (AM1.5G) percent for one sun and 65.07 (Blackbody Radiation) and 67.83 (AM1.5D) percent for maximum concentration. And its corresponding overall bandgap energies are also reduced because of multiple electron and hole pairs.

Original language	English (US)
Title of host publication	Program - 37th IEEE Photovoltaic Specialists Conference, PVSC 2011
Pages	2074-2077
Number of pages	4
DOIs	https://doi.org/10.1109/PVSC.2011.6186361
State	Published - Dec 1 2011
Event	37th IEEE Photovoltaic Specialists Conference, PVSC 2011 - Seattle, WA, United States Duration: Jun 19 2011 → Jun 24 2011

Publication series

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

Other

Other	37th IEEE Photovoltaic Specialists Conference, PVSC 2011
Country/Territory	United States
City	Seattle, WA
Period	6/19/11 → 6/24/11

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

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10.1109/PVSC.2011.6186361

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Limiting efficiencies of intermediate band solar cell assisted with multiple exciton generation. / Lee, Jongwon; Honsberg, Christiana.
Program - 37th IEEE Photovoltaic Specialists Conference, PVSC 2011. 2011. p. 2074-2077 6186361 (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, J & Honsberg, C 2011, Limiting efficiencies of intermediate band solar cell assisted with multiple exciton generation. in Program - 37th IEEE Photovoltaic Specialists Conference, PVSC 2011., 6186361, Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 2074-2077, 37th IEEE Photovoltaic Specialists Conference, PVSC 2011, Seattle, WA, United States, 6/19/11. https://doi.org/10.1109/PVSC.2011.6186361

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abstract = "We propose the hybrid thermodynamic model using the intermediate band solar cells assisted with multiple exciton generation. We have calculated this thermodynamic model under blackbody radiation and standard AM1.5 spectrum and changed concentration to compare the conventional intermediate band solar cells. Because of multiple electron and hole pair at the conduction band edge, its maximum efficiencies and optimum bandgaps have been enhanced compared to conventional intermediate band solar cells. The maximum efficiencies of this solar cell are both 47.31 (Blackbody Radiation) and 49.85 (AM1.5G) percent for one sun and 65.07 (Blackbody Radiation) and 67.83 (AM1.5D) percent for maximum concentration. And its corresponding overall bandgap energies are also reduced because of multiple electron and hole pairs.",

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AB - We propose the hybrid thermodynamic model using the intermediate band solar cells assisted with multiple exciton generation. We have calculated this thermodynamic model under blackbody radiation and standard AM1.5 spectrum and changed concentration to compare the conventional intermediate band solar cells. Because of multiple electron and hole pair at the conduction band edge, its maximum efficiencies and optimum bandgaps have been enhanced compared to conventional intermediate band solar cells. The maximum efficiencies of this solar cell are both 47.31 (Blackbody Radiation) and 49.85 (AM1.5G) percent for one sun and 65.07 (Blackbody Radiation) and 67.83 (AM1.5D) percent for maximum concentration. And its corresponding overall bandgap energies are also reduced because of multiple electron and hole pairs.

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Limiting efficiencies of intermediate band solar cell assisted with multiple exciton generation

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