Microstructure Engineered Multiphase Tellurides with Enhanced Thermoelectric Efficiency
Enhancing the thermoelectric performance of n-type polycrystalline SnSe with lead-free perovskite Cs2TiCl6
Lead-free Cs2TiCl6 is introduced as a novel dopant for n-type SnSe, which simultaneously improves electronic properties and introduces multi-scale defects, achieving a high ZT of ∼1.2 at 823 K and providing a sustainable doping strategy.
Effect of severe plastic deformation on thermoelectric properties of BiCuSeO
High-pressure torsion is used to attain grain refinement and introduce dense dislocations in BiCuSeO. The effect of HPT reduces the bandgap, increases carrier concentration and reduces κ to improve thermoelectric performance of BiCuSeO.
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Strain engineering of ScN thin films and its effect on optical, electrical, and thermoelectric properties
Insertion of crystal defects (dislocations, point defects and lattice distortion) plays a crucial role in thermoelectric/optical properties and can be controlled in thin films of the narrow-band-gap semiconductor ScN.
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Toward scalable manufacturing of doped silicon nanopillars for thermoelectrics via metal-assisted chemical etching
Metal-Assisted Chemical Etching (MACE) using Ag enables the fabrication of vertically aligned crystalline silicon nanopillars (SiNPs) with high aspect ratios over a wide doping range, a system highly promising for thermoelectric applications.
Achieving high thermoelectric performance of triple half-Heusler compositions enabled by high-throughput screening
The high-throughput experimental exploration of 90 DHH/THH compositions was conducted. MgV2Co3Sb3 showed a zT of over 0.7 at 900 K, indicating the effectiveness of the high-throughput experiment to explore new compositions for functional materials.
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Surface aluminization for enhancing oxidation resistance of the Nb0.86Hf0.14FeSb thermoelectric element
Through surface aluminization, an in situ dense aluminide coating formed as an effective diffusion barrier against oxygen penetration for Nb0.86Hf0.14FeSb, which improves the feasibility and thermal stability of its practical applications.
Simultaneous enhancement of thermoelectric performance and mechanical properties in lead-free cubic GeTe-based composite materials
This study demonstrates that alloying with AgSbTe2 enhances the symmetry of the crystal structure of Ge0.81Mn0.15Bi0.04Te, while simultaneously improving the thermoelectric performance and mechanical properties.
Synergistic band modulation and phonon suppression to improve PbBi2S4 thermoelectric performance
Dual optimization in weighted mobility and lattice thermal conductivity by Sb doping and Se alloying, thereby leading to a high ZT value of 0.78 in ternary PbBi2S4.
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Reproducible synthesis of α-MgAgSb with optimized carrier transport for low-temperature thermoelectric applications
Reproducible synthesis of α-MgAgSb enables Te-free thermoelectrics with zT = 0.84 at room temperature and 1.3 at 500 K, achieved via optimized mobility, phase purity, and annealing-driven stability.
Mass transport and grain growth enable high thermoelectric performance in polycrystalline SnS
Grain boundary engineering enables high thermoelectric performance in polycrystalline SnS by synergistically reducing lattice thermal conductivity through mass transport and enhancing carrier mobility via grain growth promotion.
About this collection
This Journal of Materials Chemistry A and Nanoscale themed collection on Thermoelectric energy conversion is guest edited by Prof. In Chung (Seoul National University, South Korea), Dr. Emmanuel Guilmeau (CRISMAT, CNRS, France), Dr. Koushik Pal (IIT Kanpur, India), Dr. Subhajit Roychowdhury (IISER Bhopal, India), Dr. Ady Suwardi (The Chinese University of Hong Kong, Hong Kong) and Prof. Li-Dong Zhao (Beihang University, China).
The growing global demand for clean, efficient, and sustainable energy solutions has positioned thermoelectric energy conversion at the forefront of advanced energy research. Thermoelectric materials, capable of directly and reversibly converting heat into electricity without any moving parts, offer a promising pathway for applications in both power generation and cooling technologies.
This themed collection aims to highlight recent advancements in the development and application of high-performance thermoelectric materials. Contributions explore a broad spectrum of research, including the synthesis of novel compounds, the correlation between chemical bonding and structural features, structure-property relationships, and strategies for enhancing material efficiency.