High-Efficiency Rad-Hard Ultra-Thin Si Photovoltaic Cell Technology for Space, Phase I

Metadata Updated: May 2, 2019

Improvements to solar cell efficiency that is consistent with low cost, high volume fabrication techniques are critical for future NASA space missions.

In this project, we propose a novel, ultra-thin (UT), Si photovoltaic cell technology that combines enhanced light trapping (LT) and absorption due to nanostructured surfaces, separation of photogenerated carriers by carrier selective contacts (CSC), and increased carrier density due to multiple exciton generation (MEG). Such solar cells have a potential to achieve the efficiencies of 40+%, while being rad-hard, lightweight, flexible, and low[HTML_REMOVED]cost, due to use of Si high volume techniques.

CFDRC will partner with the QESST ERC center at Arizona State University (ASU) to develop and demonstrate a novel, ultra-thin, nanostructured Si photovoltaic cell technology.
Phase I project will include modeling and experimental design, for a UT flexible Si based solar cell, that can achieve >25% AM0 conversion efficiency. Additionally, several approaches will be investigated to improve Si solar cell radiation hardness/tolerance.

In Phase II, the physical mechanisms currently limiting light trapping, open-circuit voltage (Voc), and MEG will be identified, and addressed. The UT rad-hard cell design will be optimized (for > 36% efficiency) and a solar cell will be fabricated and presented for testing.

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Public: This dataset is intended for public access and use. License: U.S. Government Work

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Metadata Created Date August 1, 2018
Metadata Updated Date May 2, 2019

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date August 1, 2018
Metadata Updated Date May 2, 2019
Publisher Space Technology Mission Directorate
Unique Identifier TECHPORT_18452
Maintainer Email
Public Access Level public
Bureau Code 026:00
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Schema Version https://project-open-data.cio.gov/v1.1/schema
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Datagov Dedupe Retained 20190501230127
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Harvest Source Id 39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title NASA Data.json
Data First Published 2014-12-01
Homepage URL https://techport.nasa.gov/view/18452
License http://www.usa.gov/publicdomain/label/1.0/
Data Last Modified 2018-07-19
Program Code 026:027
Source Datajson Identifier True
Source Hash ef6b2e661b5b601f1c228b5f201a30367911b04c
Source Schema Version 1.1

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