Improved thermoelectric properties of n-type polycrystalline SnSe via carrier concentration optimization

Article Chemistry, Inorganic & Nuclear

Effects of different LaCl3 doping processes on the thermoelectric properties of SnSe bulk materials

Wen-jie Li et al.

Summary: In this study, high thermoelectric properties were achieved in n-type polycrystalline SnSe doped with LaCl3. The electrical behavior was found to be influenced by the doping processes.

JOURNAL OF SOLID STATE CHEMISTRY (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

High Thermoelectric Performance in Chalcopyrite Cu1-xAgxGaTe2-ZnTe: Nontrivial Band Structure and Dynamic Doping Effect

Hongyao Xie et al.

Summary: This study reveals the unconventional electronic band structure and dynamic doping effect of Cu1-xAgxGaTe2 compounds, which are important for their promising thermoelectric properties. Furthermore, the introduction of Cu vacancies and ZnTe alloying greatly improves the thermoelectric performance of Cu1-xAgxGaTe2 compounds.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Mediating Point Defects Endows n-Type Bi2Te3 with High Thermoelectric Performance and Superior Mechanical Robustness for Power Generation Application

Yu-Ke Zhu et al.

Summary: In this work, the thermoelectric and mechanical properties of n-type Bi2Te3 alloy were enhanced by point defect configuration using S/Te/I defects engineering. When combined with p-type BiSbTe, the fabricated module showed competitive conversion efficiency. The work revealed a novel mechanism of point defect reconfiguration in synergistic enhancement of thermoelectric and mechanical properties, which may be applicable to other thermoelectric systems.

SMALL (2022)

添加到收藏夹

Article Chemistry, Physical

Enhanced thermoelectric performance of n-type polycrystalline SnSe via NdCl3 doping

Shun Zhang et al.

Summary: The doping of NdCl3 significantly improves the thermoelectric performance of SnSe0.95 by enhancing the power factor and reducing the lattice thermal conductivity.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

添加到收藏夹

Article Chemistry, Physical

Realizing high thermoelectric performance in n-type SnSe polycrystals via (Pb, Br) co-doping and multi-nanoprecipitates synergy

Wen-Hao Gu et al.

Summary: This study investigates the doping effect of PbBr2 on n-type polycrystalline SnSe, demonstrating that PbBr2 can significantly increase the carrier concentration and electrical conductivity, thereby improving the thermoelectric performance of polycrystalline SnSe.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

添加到收藏夹

Article Nanoscience & Nanotechnology

Solution-Synthesized SnSe1-xSx: Dual-Functional Materials with Enhanced Electrochemical Storage and Thermoelectric Performance

Hong Zhang et al.

Summary: The study developed a series of dual-functional SnSe1-xSx nanoparticles for high-performance electrochemical energy storage and thermoelectric conversion using an organic-free soft chemical solution method. S-substitution significantly enhanced the electrochemical performance of tin selenide and reduced lattice thermal conductivity, leading to improved thermoelectric performance.

ACS APPLIED MATERIALS & INTERFACES (2021)

添加到收藏夹

Article Chemistry, Physical

Polycrystalline SnSe with a thermoelectric figure of merit greater than the single crystal

Chongjian Zhou et al.

Summary: The research found that by controlling the purity of tin reagents and removing tin oxide impurities, the thermal conductivity of SnSe polycrystalline samples can be reduced, resulting in excellent performance with ZT of 3.1 at 783 K.

NATURE MATERIALS (2021)

添加到收藏夹

Article Multidisciplinary Sciences

When band convergence is not beneficial for thermoelectrics

Junsoo Park et al.

Summary: Band convergence is a strategy to enhance a material's thermoelectric performance, but the benefit can be negated by interband scattering depending on the manner in which bands converge.

NATURE COMMUNICATIONS (2021)

添加到收藏夹

Article Engineering, Electrical & Electronic