Lightweight and Flexible Metal Halide Perovskite Thin Films for High Temperature Solar Cells

Metadata Updated: July 17, 2020

The goal of this project is to develop metal halide perovskites (MHPs) based solar cells for high temperature operation. MHPs have been recently discovered as high performance photovoltaic materials and the record power conversion efficiency of 20.1% has been reached. To date, silicon solar cells and multijunction solar cells have been dominantly used for space missions. Despite the previous success, employing these conventional solar cells for inner planet missions has been challenging due to loss of solar cell efficiency at high temperature. This originates mostly from the fact that all conventional solar cell materials exhibit negative temperature coefficient of bandgap which results in reduced open circuit voltage at high temperature. In contrast, very interestingly, MHPs exhibit positive and small temperature coefficient of bandgap which provides an intriguing opportunity for development of solar cells that maintain performance at high temperature. This project aims to combine experiments and first principles calculations to obtain fundamental understanding of the unusual positive temperature coefficient of bandgap of MHPs. The obtained insights will enable rapid material screening of various MHPs to identify compositions appropriate for specific mission temperature ranges. Prototype solar cells will be fabricated to test performance and stability at high temperature. If successful, this project will result in transformative advances in space solar power generation that enable higher specific power, lower cost and simpler operations compared to the state of the art approaches.

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Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date August 1, 2018
Metadata Updated Date July 17, 2020

Metadata Source

Harvested from NASA Data.json

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Resource Type Dataset
Metadata Created Date August 1, 2018
Metadata Updated Date July 17, 2020
Publisher Space Technology Mission Directorate
Unique Identifier TECHPORT_91767
Public Access Level public
Bureau Code 026:00
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Metadata Catalog ID
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Catalog Describedby
Harvest Object Id ba97708e-9c1b-4f7d-82e9-8200ddbc0cd9
Harvest Source Id 39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title NASA Data.json
Data First Published 2018-10-01
Homepage URL
Data Last Modified 2020-01-29
Program Code 026:027
Source Datajson Identifier True
Source Hash 3662e7eec33300899a579bce62aac3d21d948aae
Source Schema Version 1.1

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