INNOVATION
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INNOVATION. Flexible, Lightweight, Amorphous, Silicon Solar Cells Tuned for Air Mass Zero (AMO) Spectrum. S mall B usiness I nnovation R esearch. Iowa Thin Film Technologies, Inc. Ames, IA. Tandem amorphous silicon modules on a polyimide substrate.

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ACCOMPLISHMENTS

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Accomplishments

INNOVATION

Flexible, Lightweight, Amorphous, Silicon Solar Cells Tuned for Air Mass Zero (AMO) Spectrum

Small

Business

Innovation

Research

Iowa Thin Film Technologies, Inc.

Ames, IA

Tandem amorphous silicon modules

on a polyimide substrate

  • ACCOMPLISHMENTS

  • Optical modeling to calculate thicknesses of device layers for maximum AMO solar spectrum absorption

  • Deposition parameters for device layers optimized for performance of amorphous silicon solar cells in space

  • Construction of a dedicated tandem amorphous silicon deposition machine

  • COMMERCIALIZATION

  • Company sales as a result of SBIR were $200K and growing

  • ITFT increased from a few employees to 12 full time and 8 part time employees

  • Phase III monies totaled $4.7M from several government and private sources. The DOE National Renewable Energy Labs (NREL) is the largest government contract.

  • Private investment provided the financing of a just completed production facility

Flexible Amorphous Silicon Modules on a Polyimide Substrate

  • GOVERNMENT/SCIENCE APPLICATIONS

  • ITFT amorphous silicon modules for space applications are under evaluation at the NASA JPL

  • ITFT modules are under evaluation at the NREL/DOE Laboratory for terrestrial applications

  • Companies evaluating our material for space applications include Lockheed-Martin and TRW, which includes testing in space

Lewis Research Center

1989 Phase II, SS#206, 10/97

NASA Contact - Dennis Flood


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