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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Alloys and Compounds for Thermoelectric and Solar Cell Applications VIII
Presentation Title Assessment of Interface in Bi2Te3 and Sb2Te3 Thin Film Thermoelectric Modules
Author(s) Zhen-Wei Sun, Kai-Wen Cheng, Albert T. Wu
On-Site Speaker (Planned) Zhen-Wei Sun
Abstract Scope Two-dimensional structural thin film thermoelectric module attracts interests due to its wide applications on different configuration of heat sources and have high flexibility of the material selection for substrates. Bismuth telluride and antimony telluride (Bi2Te3 and Sb2Te3) are promising thermoelectric (TE) materials due to their intrinsic small band gap (approximately 0.2 eV) and excellent zT values at operating temperatures. However, the transition efficiency drastically reduces after assembling as modules. Cu is usually selected as the material for electrode. However, it is not clear if the reaction between Cu and Te would affect the thermoelectric properties. In this study, a diffusion barrier is sputtered between the electrodes and the thermoelectric thin films. The module is aged to simulate the operating conditions for different duration of times. The interfacial morphology and the composition of the interaction layers are investigated. The stability of the interface and its effect on thermoelectric properties are assessed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Ab-initio Study of TiMSn (M= Ni, Pt, Pd) Alloys using the CRYSTAL Ab-initio Package.
Ab initio Calculations of Thermoelectric Materials
Accelerated Discovery of Efficient Solar-cell Materials using Quantum and Machine-learning Methods
Approaches to Manipulate p-n Conduction Transition and High Thermoelectric Performance in Ga-incorporated Bi2Te3
Assessment of Interface in Bi2Te3 and Sb2Te3 Thin Film Thermoelectric Modules
Black Phosphorus and Semiconducting Transition Metal Dichalcogenides in Contact with Transparent Conductive Oxides for High Efficiency Solar Cells
Current Progress on Fabrication and Life Testing of Advanced Skutterudite Thermoelectric Materials in a Proposed Enhanced Multi-mission Radioisotope Thermoelectric Generator (eMMRTG) for Space Power Applications
D-4: Assessment of Co-P Diffusion Barrier for Bismuth Telluride-based Thermoelectric Materials
D-6: Phase Diagram of Bi-Cu-Te and Thermoelectric Properties of Cu Doped Bi2Te3 Alloys
D-7: Phase Diagrams of Ag-Pb-Sn-Te System
D-8: Realizing the Microstructure in GeTe-based Thermoelectric Materials and Phase Transition Behavior
D-9: Thermoelectric Properties of Multiply Doped Mg3(Sb, Bi)2
Defect Formation Energies and Effective Masses in the Mg2(Si,Sn) Solid Solutions via DFT Calculations
Enhanced Averaged zT in n-type Bi2Te3 via Solubility Control
Gradient Composition Layered Microstructure Development in Thermoelectric Mg2(Si,Sn) Alloys Based on Phase Equilibrium
Heat Stability of Mg2Si1-xSnx as Affected by Heat Treatment Temperature and Duration
High Reliability Package of Perovskite Solar Cell by SiNx Passivation Layer with Sn-Bi-In Low-melting Solder
Interfacial Reactions Between Bi2Te3 Substrate with Cu, In, Sn and Ni
Laser Additive Manufacturing of Bismuth Telluride and Silicide Thermoelectric Materials
Lattice Hardening Due to Vacancy Diffusion in (GeTe)mSb2Te3 Alloys
Minor Ga Addition in β-Zn4Sb3 Leads to Major Enhancement in Thermoelectric Performance
Multi-band Electronic and Thermal Transport in Fe2VAl Based Full Heusler Thin Films
Novel Thermoelectric Materials for Power Generation
Optimization of Thermoelectric Performance of Nitrogen- and Boron-doped Carbon Nanotubes
Optimizing Power Factor in Rare Earth-free CoSb3-Skutterudite Thin Films
Phase Diagrams of Ag-Cu-Te Ternary System and Ag2Te/Cu Interfacial Reaction
Polar Tintermetallics as High Temperature Thermoelements
Portable Nanostructured Magneto-Thermoelectric Bi-Sb Alloys at Cryogenic Temperatures
Realizing the Compositional Homogeneity in GeTe-based Thermoelectric Materials and Phase Transition Behavior
Severe Plastic Deformation (SPD) via High Pressure Torsion (HPT) a Perfect Tool not Only to Enhance ZT of Thermoelectric Materials but Also to Produce Them
Synthesis, Processing and Characterizations of Functional Materials for Industrial Applications
Thermal Storage Effect on Thermoelectric Module
Thermoelectric Films Deposited by Pulsed Magnetron Sputtering
Thermoelectric Half Heusler Systems {Nb,Ta}FeSb - Ti1+xFe1.33-xSb
Thermoelectric Properties of p-type Mg Doped CuMO2 Delafossite Thin Films and Modules
Transmission Electron Microscopy Study of Hole-selective Contacts Employed in Silicon Solar Cells
Using Energy Filtering to Change the Thermoelectric Design Paradigm
Utilizing Magnetism and Dilute Magnetic Semiconductors to Enhance Thermoelectric Performance
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