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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Design and Manufacturing Approaches for the Next Generation of Sustainable Materials: The 2021 Student-led Symposium (Invited Abstracts Only)
Presentation Title III-V photovoltaic substrate reuse and recycle strategies for reduced cost and improved materials utilization
Author(s) Corinne E. Packard
On-Site Speaker (Planned) Corinne E. Packard
Abstract Scope Gallium-arsenide-based (III-V) photovoltaics boast the highest efficiencies of all solar technologies, but these efficiencies are only achieved in devices grown epitaxially on single crystal substrates that make up ~80% of the total cost of producing the devices. Typically <10% (but as little as 0%!) of the substrate thickness contributes to the device efficiency, thus excess substrate is chemically etched off or carried around as extra weight. This talk discusses strategies to reuse or recycle excess Ge and GaAs substrates, creating thin, flexible devices in the process. Device release through chemical and mechanical means are detailed, along with device performance data, reuse demonstrations, and cost estimates.
Proceedings Inclusion? Planned:
Keywords Recycling and Secondary Recovery, Electronic Materials, Energy Conversion and Storage

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of High Temperature Materials: New Alloys and Sustainability Considerations
Challenges in optimizing structural metamaterials
Creating new green jobs starts at the product design stage
Genomic Computational Design: Materials for Sustainability
III-V photovoltaic substrate reuse and recycle strategies for reduced cost and improved materials utilization
Lithium-Ion Battery Recycling Research at the ReCell Center
Materials Innovations Towards Decarbonization of Industrial Processes
Microstructural Development and Powder Feedstock Recyclability in Additive Manufacturing by Laser Powder Bed Fusion
Reducing CO2 Emissions Through Improvements in the Materials Science of Fossil Fuels
Research requirements for sustainable materials
Research with a Sustainable Materials Science and Engineering Approach
Shaping a Sustainable World Together – Delivering Novelis’ Commitment to Sustainability
Stepwise approach to improving lead furnace operation through pilot scale studies and computational modeling
Using rapid alloy prototyping to investigate the effects of increased levels of residual elements from recycled scrap on DP800 steel

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