Nanotwins Strengthening High Thermoelectric Performance Bismuth Antimony Telluride Alloys
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202200432
Abstract: Bi2Te3 based thermoelectric alloys have been commercialized in solid‐state refrigeration, but the poor mechanical properties restrict their further application. Nanotwins have been theoretically proven to effectively strengthen these alloys and could be sometimes constructed by… read more here.
Keywords: high thermoelectric; deformation; nanotwins strengthening; strengthening high ... See more keywords
New Zintl Phase Yb10MgSb9 with High Thermoelectric Performance
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202300393
Abstract: Yb10MgSb9 is a new Zintl compound (with a composition closer to Yb10.5MgSb9) and a promising thermoelectric material first reported in this work. Undoped Yb10MgSb9 has an ultralow thermal conductivity due to crystallographic complexity and exhibits… read more here.
Keywords: high thermoelectric; zintl phase; zintl; new zintl ... See more keywords
Selective Dissolution-Derived Nanoporous Design of Impurity-Free Bi2 Te3 Alloys with High Thermoelectric Performance.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202205202
Abstract: Thermoelectric technology, which has been receiving attention as a sustainable energy source, has limited applications because of its relatively low conversion efficiency. To broaden their application scope, thermoelectric materials require a high dimensionless figure of… read more here.
Keywords: high thermoelectric; thermoelectric materials; impurity free; selective dissolution ... See more keywords
High Thermoelectric Figure of Merit in p-Type (Bi2Te3)x − (Sb2Te3)1−x Alloys Made from Element-Mechanical Alloying and Spark Plasma Sintering
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-018-6706-7
Abstract: Abstractp-Type (Bi2Te3)x − (Sb2Te3)1−x alloys with high thermoelectric properties were fabricated for waste heat energy recovery by mechanical alloying followed by spark plasma sintering. The samples’ diffraction peaks, such as the (015) positions, were slightly shifted from… read more here.
Keywords: high thermoelectric; bi2te3 sb2te3; type bi2te3; sb2te3 ... See more keywords
Implication of nanostructuring of bulk nanocomposite Ti9Ni7Sn8 on the optimization of high thermoelectric performance
Sign Up to like & getrecommendations! Published in 2020 at "Materials for Renewable and Sustainable Energy"
DOI: 10.1007/s40243-020-00172-8
Abstract: Nanostructuring approach on TiNiSn-based half-Heusler (HH) thermoelectric materials (TE) has been well established as the most prominent paradigm for achieving high figure of merit (ZT). Herein, we have extended this approach on our previously reported… read more here.
Keywords: high thermoelectric; ti9ni7sn8 optimization; ti9ni7sn8; bulk nanocomposite ... See more keywords
High thermoelectric properties of (Sb, Bi) 2 Te 3 nanowire arrays by tilt-structure engineering
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.02.193
Abstract: Abstract In this paper, we present an innovative tilt-structure design concept for (Sb, Bi)2Te3 nanowire array assembled by high-quality nanowires with well oriented growth, utilizing a simple vacuum thermal evaporation technique. The unusual tilt-structure (Sb,… read more here.
Keywords: high thermoelectric; thermoelectric properties; structure; tilt structure ... See more keywords
The nature of the high thermoelectric properties of CuInX2 (X = S, Se and Te): First-principles study
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.07.013
Abstract: Abstract CuInX2 (X = S, Se and Te) are members of Cu-based compounds with diamond-like structures. Their bonding characteristics, electronic structure and thermoelectric properties are studied using first-principles methods and the semiclassical Boltzmann theory. Due to the… read more here.
Keywords: high thermoelectric; thermoelectric properties; properties cuinx2; nature high ... See more keywords
High thermoelectric performance and low thermal conductivity in K-doped SnSe polycrystalline compounds
Sign Up to like & getrecommendations! Published in 2018 at "Current Applied Physics"
DOI: 10.1016/j.cap.2018.09.011
Abstract: Abstract SnSe single crystal showed a high thermoelectric zT of 2.6 at 923 K mainly due to an extremely low thermal conductivity 0.23 W m−1 K−1. It has anisotropic crystal structure resulting in deterioration of thermoelectric performance in polycrystalline SnSe,… read more here.
Keywords: high thermoelectric; polycrystalline; thermal conductivity; low thermal ... See more keywords
Bayesian optimization-based design of defect gamma-graphyne nanoribbons with high thermoelectric conversion efficiency
Sign Up to like & getrecommendations! Published in 2021 at "Carbon"
DOI: 10.1016/j.carbon.2021.01.126
Abstract: Abstract In this paper, we perform a systematical investigation on searching for defect γ -graphyne nanoribbons ( γ -GYNRs) with optimal thermoelectric performance by utilizing nonequilibrium Green’s function combined with Bayesian optimization. The calculations show… read more here.
Keywords: optimization; thermoelectric conversion; graphyne nanoribbons; bayesian optimization ... See more keywords
High thermoelectric performance in Cu2Se/CDs hybrid materials
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.152204
Abstract: Abstract By embedding organic compound carbon nanodots (CDs) into the inorganic compound Cu2Se, a series of Cu2Se + x wt% CDs (x = 0, 0.2, 0.4, 0.6, and 0.8) nanopowders are obtained through hydrothermal synthesis and then carried out… read more here.
Keywords: high thermoelectric; thermal conductivity; cu2se; carbon nanodots ... See more keywords
Realization of High Thermoelectric Figure of Merit in GeTe by Complementary Co-doping of Bi and In
Sign Up to like & getrecommendations! Published in 2019 at "Joule"
DOI: 10.1016/j.joule.2019.08.017
Abstract: Summary GeTe and its derivatives have recently attracted wide attention as promising thermoelectric materials. The principle challenge in optimizing the thermoelectric figure of merit, zT, is the low Seebeck coefficient (S) and high thermal conductivity… read more here.
Keywords: high thermoelectric; figure merit; realization high; thermoelectric figure ... See more keywords