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
Heavy Doping by Bromine to Improve the Thermoelectric Properties of n‐type Polycrystalline SnSe
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Science"
DOI: 10.1002/advs.201800598
Abstract: Abstract Single crystal tin selenide (SnSe) has attracted much attention for its excellent thermoelectric performance. However, polycrystalline SnSe exhibits unsatisfactory figure‐of‐merit due to the inferior electrical properties, especially for n‐type SnSe. In this work, a… read more here.
Keywords: heavy doping; doping bromine; bromine improve; improve thermoelectric ... See more keywords
Degenerated Hole Doping and Ultra‐Low Lattice Thermal Conductivity in Polycrystalline SnSe by Nonequilibrium Isovalent Te Substitution
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DOI: 10.1002/advs.202105958
Abstract: Tin mono‐selenide (SnSe) exhibits the world record of thermoelectric conversion efficiency ZT in the single crystal form, but the performance of polycrystalline SnSe is restricted by low electronic conductivity (σ) and high thermal conductivity (κ),… read more here.
Keywords: polycrystalline snse; snse; substitution; thermal conductivity ... See more keywords
High Thermoelectric Performance in Polycrystalline SnSe Via Dual‐Doping with Ag/Na and Nanostructuring With Ag 8 SnSe 6
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Energy Materials"
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
Insights into the Potassium Ion Storage Behavior and Phase Evolution of a Tailored Yolk-Shell SnSe@C Anode.
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DOI: 10.1002/smll.202203459
Abstract: Tin chalcogenides are regarded as promising anode materials for potassium ion batteries (PIBs) due to their considerable specific capacity. However, the severe volume effect, limited electronic conductivity, and the shuttle effect of the potassiation product… read more here.
Keywords: snse; shell snse; snse anode; phase evolution ... See more keywords
Organic acid-assisted chemical transformation of SnSe bulk crystals into Se nanowires and the influence on thermoelectric behaviors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.10.204
Abstract: Abstract Se nanowires are one of the chalcogenide nanostructures that have attracted interest in various fields of research because of their unique characteristics. The Se nanowires were fabricated from bulk SnSe crystals by an organic… read more here.
Keywords: organic acid; transformation; chemical transformation; acid assisted ... See more keywords
Structural studies of the layered SnSe produced by mechanical alloying and melting technique
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.11.159
Abstract: Abstract The Sn-Se based materials were synthetized by mechanical alloying and simple melting techniques. By mechanical alloying technique we observed a very fast nucleation of the SnSe orthorrombic layered compound with a remarkable structural stability.… read more here.
Keywords: studies layered; layered snse; mechanical alloying; structural studies ... See more keywords
Enhanced thermoelectric and mechanical properties of Na-doped polycrystalline SnSe thermoelectric materials via CNTs dispersion
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.01.178
Abstract: Abstract SnSe-based thermoelectric materials have captured much attention since single-crystal SnSe exhibited record high ZT. However, the practical application is limited due to the poor mechanical properties and harsh production conditions of single crystals. Herein,… read more here.
Keywords: doped polycrystalline; thermoelectric materials; properties doped; mechanical properties ... See more keywords
Effect of Te doping on thermoelectric properties in vast off-stoichiometric tin-rich SnSe crystals
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.155480
Abstract: Abstract As a promising candidate for next generation thermoelectric material, SnSe has attracted extensive attentions due to its intrinsic ultralow thermal conductivity and adjustable electrical transport properties. However, unavailability of Sn-rich crystal leaves a gap… read more here.
Keywords: vast stoichiometric; transport properties; thermal conductivity; snse ... See more keywords
Formation mechanism and antisite defects of scalable room-temperature aqueous synthesis of SnSe: Effects of the pH value on the reaction yield, mean crystallite size, chemical composition, and carrier concentration
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.158250
Abstract: Abstract A simple and scalable wet chemical method was adopted to synthesize a series of single-phase nanosized SnSe at room temperature with the solution controlled at various pH values. The lattice constants, chemical compositions, carrier… read more here.
Keywords: antisite defects; room temperature; reaction yield; reaction ... See more keywords
Thermal stability of phase change GaSb\GeTe, SnSe\GeTe and GaSb\SnSe double stacked films revealed by X-ray reflectometry and X-ray diffraction
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.02.033
Abstract: Abstract We report a study related to the influence of heat treatment (up to 300 °C) on the structure of GaSb\GeTe, SnSe\GeTe and GaSb\SnSe stacked phase change memory films and of their counterparts with Hf thin… read more here.
Keywords: gete snse; gasb; snse gete; gasb gete ... See more keywords