Ultrahigh Thermoelectric Performance in Environmentally Friendly SnTe Achieved through Stress‐Induced Lotus‐Seedpod‐Like Grain Boundaries
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DOI: 10.1002/adfm.202101554
Abstract: In an effort to improve the thermoelectric performance of the environmentally friendly SnTe, here, a multilevel structure composed of “lotus‐seedpod‐like” grain boundaries, dense dislocations, and nanopores is innovatively constructed, which synergistically reduces the sound velocity… read more here.
Keywords: environmentally friendly; performance; thermoelectric performance; friendly snte ... See more keywords
Giant Band Convergence and High Thermoelectric Performance in n‐Type PbSe Induced by Spin‐Orbit Coupling
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DOI: 10.1002/adfm.202311217
Abstract: An ideal thermoelectric material requires the multi‐valley and strong dispersion band structure, for relieving the competition between thermopower and electrical conductivity, whereas the two features barely coexist in natural compounds. Here, the significantly improved thermoelectric… read more here.
Keywords: pbse; band; thermoelectric performance; spin orbit ... See more keywords
Achieving Superior Thermoelectric Performance in Ge4Se3Te via Symmetry Manipulation with I–V–VI2 Alloying
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DOI: 10.1002/adfm.202313720
Abstract: Although orthorhombic GeSe is predicted to have an ultrahigh figure of merit, ZT ≈ 2.5, up to now, the highest experimental value is ≈0.2 due to the low carrier concentration (nH ≈ 1018 cm−3). Improving… read more here.
Keywords: superior thermoelectric; vi2 alloying; achieving superior; thermoelectric performance ... See more keywords
Dual Alloying Enables High Thermoelectric Performance in AgSbTe2 by Manipulating Carrier Transport Behavior
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DOI: 10.1002/adfm.202400679
Abstract: AgSbTe2 exhibits superior thermoelectric performance in the mid‐temperature region, but its electrical properties are strongly affected by intrinsic defects and secondary phases. Distinctively, the high mobility electrons still play an important role as minority carriers… read more here.
Keywords: carrier transport; dual alloying; thermoelectric performance;
Stepwise Optimization of Thermoelectric Performance in n‐Type SnS
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202414881
Abstract: Tin sulfide (SnS) has been developed as an earth‐abundant and eco‐friendly compound that exhibits promising thermoelectric (TE) performance. While significant achievements are achieved in p‐type SnS, the development of its n‐type counterpart remains at a… read more here.
Keywords: performance type; sns; type sns; thermoelectric performance ... See more keywords
Low‐Dimensional Structure Modulation in Ag8SnSe6 for Enhanced Thermoelectric Performance
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DOI: 10.1002/adfm.202421449
Abstract: Ternary liquid‐like thermoelectric materials have garnered significant attention due to their ultra‐low lattice thermal conductivity. Among these, Ag8SnSe6 stands out for its exceptionally low sound velocity and thermal conductivity. However, the inherent poor electrical conductivity… read more here.
Keywords: conductivity; thermoelectric performance; thermal conductivity; ag8snse6 ... See more keywords
Extraordinary Thermoelectric Performance Realized in n-Type PbTe through Multiphase Nanostructure Engineering.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201703148
Abstract: Lead telluride has long been realized as an ideal p-type thermoelectric material at an intermediate temperature range; however, its commercial applications are largely restricted by its n-type counterpart that exhibits relatively inferior thermoelectric performance. This… read more here.
Keywords: type pbte; thermoelectric performance; multiphase; performance ... See more keywords
Modular Nanostructures Facilitate Low Thermal Conductivity and Ultra‐High Thermoelectric Performance in n‐Type SnSe
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DOI: 10.1002/adma.202203725
Abstract: Single crystals of SnSe have gained considerable attention in thermoelectrics due to their unprecedented thermoelectric performance. However, polycrystalline SnSe is more favorable for practical applications due to its facile chemical synthesis procedure, processability, and scalability.… read more here.
Keywords: snse; type; modular nanostructures; thermal conductivity ... See more keywords
High Thermoelectric Performance in Polycrystalline SnSe Via Dual‐Doping with Ag/Na and Nanostructuring With Ag 8 SnSe 6
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DOI: 10.1002/aenm.201803072
Abstract: Single crystalline SnSe is one of the most intriguing new thermoelectric materials but the thermoelectric performance of polycrystalline SnSe seems to lag significantly compared to that of a single crystal. Here an effective strategy for… read more here.
Keywords: thermoelectric performance; dual doping; snse; polycrystalline snse ... See more keywords
New Zintl Phase Yb10MgSb9 with High Thermoelectric Performance
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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
Landau Quantization and Lifshitz Transition‐Modulated High Magneto‐Thermoelectric Performance
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DOI: 10.1002/aenm.202402613
Abstract: One of the necessary conditions for achieving high thermoelectric (TE) performance is the large longitudinal (Sxx) and transverse thermopower (Syx), which are closely related to the Fermi level position and the energy‐dependent density of states… read more here.
Keywords: fermi level; lifshitz transition; magneto; thermoelectric performance ... See more keywords