LAUSR

About LAUSR
Donate
Contact Us

Follow us:

You are not signed in:

Sign Up!


   Articles with "band convergence" as a keyword



Optimization of Thermoelectric Performance in p‐Type SnSe Crystals Through Localized Lattice Distortions and Band Convergence

Sign Up to like & get
recommendations! Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202411594

Abstract: Crystalline thermoelectric materials, especially SnSe crystals, have emerged as promising candidates for power generation and electronic cooling. In this study, significant enhancement in ZT is achieved through the combined effects of lattice distortions and band… read more here.

Keywords: snse crystals; band convergence; lattice distortions; localized lattice ... See more keywords
Photo from wikipedia

Intrinsic vacancy suppression and band convergence to enhance thermoelectric performance of (Ge, Bi, Sb)Te crystals

Sign Up to like & get
recommendations! Published in 2022 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.132275

Abstract: Abstract GeTe-based alloys have drawn increasing attention because of the excellent thermoelectric (TE) performance and potential applications in mid-temperature range. Although reducing carrier concentration by aliovalent doping plays an important role in maximizing the TE… read more here.

Keywords: thermoelectric performance; suppression; band convergence; performance ... See more keywords

Enhanced thermoelectric properties of Sn-rich quaternary Mg2Si0.25Ge0.05Sn0.7 based solid solutions by band convergence in addition to scattering of point defects

Sign Up to like & get
recommendations! Published in 2019 at "Journal of Solid State Chemistry"

DOI: 10.1016/j.jssc.2018.12.052

Abstract: Abstract Quaternary Mg2Si0.25Ge0.05Sn0.7 based solid solutions were synthesized by B2O3 flux method combined with spark plasma sintering (SPS) technique. The carrier concentration was tuned by adjustment of the SPS temperature. The electrical conductivity, Seebeck coefficient… read more here.

Keywords: 25ge0 05sn0; quaternary mg2si0; solid solutions; band convergence ... See more keywords

High thermoelectric performance in (Bi0.25Sb0.75)2Te3 due to band convergence and improved by carrier concentration control

Sign Up to like & get
recommendations! Published in 2017 at "Materials Today"

DOI: 10.1016/j.mattod.2017.02.007

Abstract: Bi_2Te_3 has been recognized as an important cooling material for thermoelectric applications. Yet its thermoelectric performance could still be improved. Here we propose a band engineering strategy by optimizing the converging valence bands of Bi_2Te_3… read more here.

Keywords: band; thermoelectric performance; band convergence; carrier concentration ... See more keywords

Improving Thermoelectric Performance of AgSbTe2 through Suppression of Ag2Te and Band Convergence via Mg and Ti Codoping.

Sign Up to like & get
recommendations! Published in 2024 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.4c05873

Abstract: In this study, the impact of codoping Mg and Ti on the thermoelectric performance of AgSbTe2 materials was investigated. Through a two-step synthesis process involving slow cooling and spark plasma sintering, AgSb0.98-xMg0.02TixTe2 samples were prepared.… read more here.

Keywords: performance; performance agsbte2; band convergence; thermoelectric performance ... See more keywords

Enhancement of Thermoelectric Performance in Na-Doped Pb0.6Sn0.4Te0.95- xSe xS0.05 via Breaking the Inversion Symmetry, Band Convergence, and Nanostructuring by Multiple Elements Doping.

Sign Up to like & get
recommendations! Published in 2018 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b18362

Abstract: Topological insulators have attracted much interest in topological states of matter featuring unusual electrical conduction behaviors. It has been recently reported that a topological crystalline insulator could exhibit a high thermoelectric performance by breaking its… read more here.

Keywords: 6sn0 4te0; pb0 6sn0; band convergence; band ... See more keywords

Interstitial Defects Improving Thermoelectric SnTe in Addition to Band Convergence

Sign Up to like & get
recommendations! Published in 2017 at "ACS energy letters"

DOI: 10.1021/acsenergylett.6b00671

Abstract: SnTe, as a top Pb-free alternative to PbTe, attracts extensive attention for thermoelectric applications. For thermoelectric performance enhancement, successful electronic strategies are typified by band convergence and resonant doping, while effective thermal strategies include nanostructuring… read more here.

Keywords: defects improving; snte; interstitial defects; band convergence ... See more keywords

High-Entropy Strategy to Achieve Electronic Band Convergence for High-Performance Thermoelectrics.

Sign Up to like & get
recommendations! Published in 2024 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.4c04048

Abstract: Multiband convergence has attracted significant interest due to its positive effects on further improving thermoelectric performance. However, the current research mainly focuses on two- or three-band convergence in lead chalcogenides through doping and alloying. Therefore,… read more here.

Keywords: convergence; performance; band convergence; high entropy ... See more keywords

When band convergence is not beneficial for thermoelectrics

Sign Up to like & get
recommendations! Published in 2021 at "Nature Communications"

DOI: 10.1038/s41467-021-23839-w

Abstract: Band convergence is considered a clear benefit to thermoelectric performance because it increases the charge carrier concentration for a given Fermi level, which typically enhances charge conductivity while preserving the Seebeck coefficient. However, this advantage… read more here.

Keywords: band convergence; convergence beneficial; interband scattering; beneficial thermoelectrics ... See more keywords

Global band convergence design for high-performance thermoelectric power generation in Zintls

Sign Up to like & get
recommendations! Published in 2024 at "Science"

DOI: 10.1126/science.adn7265

Abstract: Electronic band convergence can have a beneficial impact on thermoelectric performance, but finding the right band-converged compositions is still time-consuming. We propose a method for designing a series of compositions with simultaneous band convergence in… read more here.

Keywords: band convergence; zintls; band; performance ... See more keywords