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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Alloys and Compounds for Thermoelectric and Solar Cell Applications IX
Presentation Title Co-P Diffusion Barrier for Lead Telluride-based Thermoelectric Joints
Author(s) Kai-Wen Cheng, Hsien-Chien Hsieh, Albert T. Wu
On-Site Speaker (Planned) Kai-Wen Cheng
Abstract Scope PbTe-based alloys show excellent thermoelectric performance at medium temperature range. The formation of intermetallic compounds between thermoelectric materials and electrodes deteriorates mechanical joint strength and thermoelectric performance. In this study, directly bonded Ni and Cu electrode induced formation of IMCs and disintegration of the joints in both p- and n-PbTe modules. Severe interfacial problems are overcome by utilizing an electroless cobalt-phosphorus (Co-P) diffusion barrier. The mechanical strength is improved owing to the insertion of Co-P diffusion layer, and the additional layers yield acceptable contact resistance. In addition, the added layers enhance thermoelectric performance and thermal stability in p- and n-PbTe materials. The fabricated p-type and n-type PbTe-based thermoelectric joints meet the required criteria for improving efficiency of PbTe modules.
Proceedings Inclusion? Planned:


A Synergistic Approach to Boost the Thermoelectric Performance and Reduce the Thermal Conductivity in n-type PbTe : Carrier Optimization and Phase Diagram Engineering
Assessment of Electroless Cobalt Diffusion Layer for Bi2Te3-based Thermoelectric Module
Challenges and Opportunities of Flexible Thermoelectric Devices Based on Printing Technology
Co-P Diffusion Barrier for Lead Telluride-based Thermoelectric Joints
Comparing Thermoelectricity of Bulk and Thin Film Heusler Alloys
Cu-Sn Based Thiospinel Compounds: Insight of Alternative Route for Developing Thermoelectrics Thiospinel Compounds?
Defect Evolution Enabling Low Thermal Conductivity and High Thermoelectric Performance for n-type PbTe
Developing Thermoelectric Thin Films and Modules for IoT Energy Harvesting
Effect of Interfacial Reaction on Bi2Te3 and Sb2Te3 Thin-film Thermoelectric Module
Effect of Phonon Drag on Seebeck Coefficient Based on Linear Response Theory
Effect of Structural Disorder on the Thermoelectric Properties of Kesterite (Cu2ZnSnS4)
Effect of Zn and Cr Co-doping on the Thermoelectric Properties of Colusite Cu26V2M6S32 (M=Ge,Sn)
Enhanced Thermoelectric Figure-of-Merit in Nanostructured n-type Bi2Te3 via Phase Diagram Engineering
First-principles Calculation of Nernst Coefficient and Magneto-Seebeck
Functionalization of the Conductive Network and Structural Disorder Engineering: Two Strategies to Reach High ZT in Ternary and Quaternary Sulfides
High-performance GeTe-based Thermoelectric Materials via Carrier Optimization
Impact of Surface Engineering in Silicon Film Thermoelectrics
Interfacial Reaction in Ag/Se, Ag/Te, Ag2Te/Se and Ag2Te/Se-30at.%Te Couples and Their Related Phase Diagram
Introductory Comments: Alloys and Compounds for Thermoelectric and Solar Cell Applications IX
Mg3(Sb,Bi)2 Thermoelectric Single Crystals: From p-type to n-type
Microstructure and Band Engineering for the High Performance of n-type Mg3Sb2-Mg3Bi2 Alloy
n-Bi2-xSbxTe3 as an Alternative to Mainstream n-Bi2Te3-xSex Near Room Temperature
Ni/Pb-Te and Ni/Se-Sn Interfacial Reactions and Their Related Phase Diagrams
Optimization of n- and p-type Mg2X (X: Si, Ge, Sn): Understanding the Impact of Mg on the Thermoelectric Performance and the Change of the Valence Bands Under Solid Solution Formation
Optimizing Thermoelectric Properties of Few-layer Transition Metal Dichalcogenides
Phase Boundary Mapping to Improve Na solubility, Band Convergence, and Thermoelectric Properties in p-type PbTe
Phase Interface Formation Induced by Phase Separation Process in Thermoelectric Mg2(Si, Sn) Alloys and (Zr, Ti)NiSn Alloys
Phase Transition Behavior and Thermoelectric Property of Te doped Cu2Se
Self-tuning of Carrier Type and Improved Thermoelectric Performance in Skutterudite CoM1.5Te1.5 (M = Sn or Ge)
Solid-state thermionic Devices: Effect of Asymmetry on the Device Performance
Strategies for the Balance of Oxide/Metal Composites Towards the Applications of Flexible Solar Energy Harvesters
Structure and Physical Properties of Complex Chalcogenides: Fundamental Research with an “Eye” Towards Lower Temperature Applications
The Doping Effects on the Thermal Conductivity of GeTe
The Origin of Low Thermal Conductivity in Tetrahedrites: A Jahn-Teller Electronic Instability
The “Grand Challenge” of Thermoelectric Materials
Thermal and Electrical Transport in Zintl Thermoelectrics: From Ab Initio Understanding to Materials Discovery
Thermoelectric Cell Setup for Heat Recovery in Industrial Chimneys
Thermomagnetic Properties of Single-crystal 2H-NbSe2 and Bi2Te3
Thermomagnetic Transport in 2D Layered Topological Materials
Ultra-low Thermal Conductivity for High-Performance GeTe-based Thermoelectric Materials
Unique Influences of Laser Additive Manufacturing on Multiscale Structuring of Bismuth Telluride Thermoelectric Materials
Using Neutrons to Probe the Influence of Processing on Temperature-dependent Strain in PbTe

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