Atomic Level Defect Structure Engineering for Unusually High Average Thermoelectric Figure of Merit in n‐Type PbSe Rivalling PbTe
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202203782
Abstract: Realizing high average thermoelectric figure of merit (ZTave) and power factor (PFave) has been the utmost task in thermoelectrics. Here the new strategy to independently improve constituent factors in ZT is reported, giving exceptionally high… read more here.
Keywords: thermoelectric figure; type pbse; average thermoelectric; high average ... See more keywords
Microwave synthesis and enhancement of thermoelectric figure of merit in half-Heusler TiNiSbxSn1-x
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.04.100
Abstract: Abstract The preparation of half-Heusler thermoelectric bulk is complex and time-consuming. In the present work, Sb doped TiNiSbxSn1−x bulks (x=0.01, 0.02, 0.03 and 0.04) were prepared via cold press forming, microwave synthesis and sintering in… read more here.
Keywords: figure merit; microwave synthesis; half heusler; thermoelectric figure ... See more keywords
High thermoelectric figure of merit in mesostructured In0.25Co4Sb12 n-type skutterudite
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.11.195
Abstract: Abstract The polycrystalline In0.25Co4Sb12 n-type skutterudite was ball-milled to reduce its grain size and lattice thermal conductivity by enhanced phonon scattering at grain boundaries. To inhibit the grain size growth which occurs during the densification… read more here.
Keywords: figure merit; thermoelectric figure; in0 25co4sb12; type skutterudite ... 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
Thermoelectric figure of merit enhancement in cement composites with graphene and transition metal oxides
Sign Up to like & getrecommendations! Published in 2020 at "Materials Today Energy"
DOI: 10.1016/j.mtener.2020.100492
Abstract: Abstract Having a high thermoelectric figure of merit is the essential prerequisites of a thermoelectric generator. In this study, a novel way to achieve a record high figure of merit for cement composites using graphene… read more here.
Keywords: cement composites; cement; figure merit; thermoelectric figure ... See more keywords
Universal behavior of the thermoelectric figure of merit, zT, vs. quality factor
Sign Up to like & getrecommendations! Published in 2019 at "Materials Today Physics"
DOI: 10.1016/j.mtphys.2018.12.005
Abstract: To increase the performance of thermoelectric materials, the electronic parameters in the figure of merit must be improved. In this paper, we use full, numerical band structures and solve the Boltzmann equation in the relaxation… read more here.
Keywords: quality factor; figure merit; thermoelectric figure; merit ... See more keywords
Enhanced Average Thermoelectric Figure of Merit of the PbTe-SrTe-MnTe Alloy.
Sign Up to like & getrecommendations! Published in 2017 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.6b16060
Abstract: Thermoelectric properties of Na-doped PbTe-SrTe system have been improved by the addition of Mn. The substitution of Mn for Pb modifies the band structure of the PbTe-SrTe alloy, which enlarges the band gap and increases… read more here.
Keywords: thermoelectric figure; figure merit; pbte srte;
High thermoelectric figure of merit of porous Si nanowires from 300 to 700 K
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-24208-3
Abstract: Thermoelectrics operating at high temperature can cost-effectively convert waste heat and compete with other zero-carbon technologies. Among different high-temperature thermoelectrics materials, silicon nanowires possess the combined attributes of cost effectiveness and mature manufacturing infrastructures. Despite… read more here.
Keywords: high thermoelectric; figure merit; silicon nanowires; figure ... See more keywords
Engineering of charge carriers via a two-dimensional heterostructure to enhance the thermoelectric figure of merit.
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale"
DOI: 10.1039/c7nr09029c
Abstract: High band degeneracy and glassy phonon transport are two remarkable features of highly efficient thermoelectric (TE) materials. The former promotes the power factor, while the latter aims to break the lower limit of lattice thermal… read more here.
Keywords: figure merit; slm; charge; thermoelectric figure ... See more keywords
Modulation of thermal conductivity and thermoelectric figure of merit by anharmonic lattice vibration in Sb2Te3 thermoelectrics
Sign Up to like & getrecommendations! Published in 2018 at "AIP Advances"
DOI: 10.1063/1.5053174
Abstract: Anharmonic lattice vibration in metallic and semiconducting Sb2Te3 is investigated using temperature dependent Raman spectroscopic studies, synchrotron powder diffraction, and heat-capacity measurements. Thermal variation of structural parameters divulges temperature dependence of structural anisotropy in both… read more here.
Keywords: figure merit; lattice vibration; thermoelectric figure; thermal conductivity ... See more keywords