A5083827954- Advanced Thermoelectric Materials and Devices
- Heusler alloys: electronic and magnetic properties
- Thermal Radiation and Cooling Technologies
- Semiconductor materials and interfaces
- Advanced Sensor and Energy Harvesting Materials
- Chalcogenide Semiconductor Thin Films
- Thermal properties of materials
- Machine Learning in Materials Science
- Thermal Expansion and Ionic Conductivity
- Innovative Energy Harvesting Technologies
- 2D Materials and Applications
- Electrocatalysts for Energy Conversion
- Electrodeposition and Electroless Coatings
- Energy Harvesting in Wireless Networks
- Laser-Ablation Synthesis of Nanoparticles
Northwestern University
2021-2024
Philadelphia University
2023
University of Pennsylvania
2023
Ames National Laboratory
2023
Iowa State University
2023
Abstract Ambient energy harvesting has great potential to contribute sustainable development and address growing environmental challenges. Converting waste from energy-intensive processes systems (e.g. combustion engines furnaces) is crucial reducing their impact achieving net-zero emissions. Compact harvesters will also be key powering the exponentially smart devices ecosystem that part of Internet Things, thus enabling futuristic applications can improve our quality life homes, cities,...
Abstract Many thermoelectric materials benefit from complex microstructures. Grain boundaries (GBs) in nanocrystalline thermoelectrics cause desirable reduction the thermal conductivity by scattering phonons, but often lead to unwanted loss electrical charge carriers. Therefore, modifying GBs suppress their resistivity plays a pivotal role enhancement of performance, zT . In this work, different characteristics GB phases Ti‐doped NbFeSb half‐Heusler compounds are revealed using combination...
Complex microstructures are found in many thermoelectric materials and can be used to optimize their transport properties. Grain boundaries particular scatter phonons, but they often impede charge carrier transfer at the same time. Designing grain order offer a conductive path for electrons is substantial opportunity thermoelectrics. Here, we demonstrate TiCoSb half Heusler compounds that Fe-dopants segregate simultaneously increase electrical conductivity reduce thermal conductivity. To...
The authors present a strategy for optimizing the performance of thermoelectric materials through defect engineering, guiding reader fundamental background, prior use, and practical implementation this method.
Despite decades of extensive research on thermoelectric materials, Bi
Abstract The performance of thermoelectric materials is typically assessed using the dimensionless figure merit, zT . Increasing challenging due to intricate relationships between electrical and thermal transport properties. This study focuses on Y 2 Te 3 ‐based materials, which are predicted be promising for high‐temperature applications their inherently low lattice conductivity. A series 2+ x compositions with excess synthesized explore effects electronic structural characteristics....
The primary material parameter determining power in a thermoelectric is the figure of merit zT. This comes from requirement for thermal impedance matching between legs and heat exchangers an optimally designed module. However, thermocouple temperature sensor, geometry constrained sensing. If so that length elements greater than characteristic length, then conductivity becomes less relevant. makes factor metric output such device
The synthesis of platinum-cobalt nanocrystals (NCs) using colloidal solvothermal techniques is well understood. However, for monodisperse NCs to form, high temperatures and environmentally detrimental solvents are needed. We report a room temperature, aqueous method NC electrochemical reduction as the driving force nucleation growth. It found that will form in both presence absence surfactant. Additionally, we deposition utilising transparent conducting oxide electrode. methods developed...