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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Energy Technologies and CO2 Management
Presentation Title DFT Study of CuS-ZnS Heterostructures
Author(s) Louis Oppong-Antwi, Judy Hart
On-Site Speaker (Planned) Louis Oppong-Antwi
Abstract Scope Heterostructure and solid solution formation provide new approaches to tuning the optoelectronic properties of semiconductor materials. In this work, using density functional theory (DFT) calculations, the structural and optoelectronic properties of CuS-ZnS heterostructures were systematically studied as a function of ZnS layer thickness. The results show that varying the thickness of ZnS influences the gap between the Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO) of the structure. Also, the electronic properties of the CuS-ZnS heterostructures are sensitive to changes in the bonding environment at the interface, with particular thicknesses of ZnS corresponding to interfacial arrangements that give lower formation energies and HOMO-LUMO gaps than other structures. Based on the results, CuS-ZnS heterostructures can be expected to have tunable optoelectronic properties with HOMO-LUMO gaps in the energy range of visible light.
Proceedings Inclusion? Planned:
Keywords Energy Conversion and Storage, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Analysis of Environmental Impact of Vertical Axis Wind Turbine using Circular Economy Approach
Carbon Footprint Assessment of Waste PCB Recycling Process through Black Copper Smelting Route in Australia
CO2 Mineralization and Critical Battery Metals Recovery from Olivine and Nickel Laterites
Corrosion and Erosion Protection to Accelerate Deployment of Sustainable Biomass
Critical Metals for Clean Energy: Extraction of Rare Earth Elements from Coal Ash
D-22: Hydrogen Storage Properties of Graphitic Carbon Nitride Nanotubes Synthesized by Mix-grind Technique
Decarbonization Pathways for an Aluminum Rolling Mill and Downstream Processes
Development of Indium-tin Oxide Thin Films on PAMAM Dendrimer Layers for Perovskite Solar Cells Application
DFT Study of CuS-ZnS Heterostructures
Energy-saving Green Technologies in the Mining and Mineral Processing Industry
Environmental Life Cycle Assessment of Gold Production in Nevada
Extraction of Valuables Metals from Luanshya Copper Smelting Slag with Minimal Waste Generation
Investigation of Slag and Condensate from the Charge Top in a FeSi75 Furnace
Lithium Extraction from Natural Resources to Meet the High Demand in EV and Energy Storage
Molten Salt Mg-air Battery Improvement and Recharging
Novel Thermal Conductivity Measurement Technique Utilizing a Transient Multilayer Analytical Model of a Line Heat Source Probe for Extreme Environments
Polymeric Composite Dense Membranes Applied for the Flue Gas Treatment
Rethinking the Decomposition of Refractory Lithium Aluminosilicates: Opportunities for Energy-efficient Li Recovery from LCT Pegmatites
Screening High Entropy Alloys for Carbon Dioxide Reduction Reaction using Alchemical Perturbation Density Functional Theory
Superconductor Busbar Systems in the Light of Increased Energy Costs
The Effect of Reduced Flue Gas Suctioning on Superstructure and Gas Temperatures

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