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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials in Clean Power
Presentation Title Phase Relation Prediction for AgxCu1-xGayIn1-ySe2 PV Absorber Layers
Author(s) Zhi Li, Christopher P. Muzzillo, Shun-li Shang, Jianyun Shen, Po-Hsin Liao, Zi-kui Liu, Timothy J. Anderson
On-Site Speaker (Planned) Timothy J. Anderson
Abstract Scope The chalcopyrite alloy Cu(In,Ga)Se<SUB>2</SUB> (CIGS) has achieved tremendous success as an absorber for thin film PV devices. The absorber composition of the current champion cell, however, is not at the optimal bandgap energy. Alloying CIGS with Ag to form Ag<SUB>x</SUB>Cu<SUB>1-x</SUB>Ga<SUB>y</SUB>In<SUB>1-y</SUB>Se<SUB>2</SUB> (ACGIS) can not only increases the bandgap, but also promises to reduce the processing temperature, improves the crystalline quality, and provides more opportunities for liquid phase assisted growth to attain greater power conversion efficiency. Thus understanding the phase chemistry of the Ag-Cu-Ga-In-Se system is of interest to improve the absorber synthesis process. In this work, an assessment of the thermochemistry and phase equilibria of the Ag-Cu-Ga-In-Se system was performed based on available experimental data and predictions of temperature dependence of the Gibbs energies of formation for the intermetallic compounds. With the complete thermodynamic database, the implications for selenization of metal precursors are explored.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

C-21: Novel Hydrogen Storage Reaction Pathway of LiBH4+MgH2 Mixtures Enabled by Ball Milling and Aerosol Spraying
C-22: Pyrolysis of Different Wood Species Investigated by TGA-GC-MS
Corrosion of Energy System Materials in Supercritical Carbon Dioxide (sCO2)
Creep-Fatigue-Oxidation Interactions under Fossil Energy Service Conditions
Defect Chemistry of Black Anatase TiO2: An Ab Initio Study
Early Stage Oxidation of Alloy 617 in CO2 Power Cycle Environments
Effect of Pressure and Thermal Cycling on Compatibility in CO2 for Concentrated Solar Power Applications
High Temperature Oxidation of Ni-base Alloys and Stainless Steels in Supercritical CO2 for Power Systems Applications
Manipulating Creep through Modifying Gamma Prime Coarsening Rate in Haynes 282 for A-USC Power Plants
Microstructural Stability of High Cr Containing FeCrAl Alloys with Minor Alloying Additions
Nickel-doped Titania Nanotube Arrays and Their Application in Hydrogen Production
Pb-Bi-Sb and Pb-Bi-Ge: Novel Alternative Alloys for Application as Heat-transport Fluids in Concentrated Solar Power Systems
Phase Relation Prediction for AgxCu1-xGayIn1-ySe2 PV Absorber Layers
Solid-State, High-Shear Manufacturing to Enable Lower Cost and Higher Performance Materials for Energy Conversion
The Composite Materials with Semiconductor and Ionic Conductor for Novel Low Temperature Solid Oxide Fuel Cells
The Impacts of Alternative Fuels and Associated High Water Vapor Content Environments on the Stability and Aging of Turbine Hot-Section Materials
Transient Liquid Phase Bonding of Ni-based-superalloy-H230 for Microchannel Heat Exchanger for Application in Supercritical CO2 Cycles

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