Phonon engineering significantly reducing thermal conductivity of thermoelectric materials: a review
Lattice thermal conductivity, κ L, is a fundamental parameter for evaluating the performance
of thermoelectric materials. However, the predicted value of κ L based on the Debye …
of thermoelectric materials. However, the predicted value of κ L based on the Debye …
Phonon anharmonicity: a pertinent review of recent progress and perspective
Anharmonic lattice vibrations play pivotal roles in the thermal dynamics in condense matters
and affect how the atoms interact and conduct heat. An in-depth understanding of the …
and affect how the atoms interact and conduct heat. An in-depth understanding of the …
Multiple valence bands convergence and strong phonon scattering lead to high thermoelectric performance in p-type PbSe
Thermoelectric generators enable the conversion of waste heat to electricity, which is an
effective way to alleviate the global energy crisis. However, the inefficiency of thermoelectric …
effective way to alleviate the global energy crisis. However, the inefficiency of thermoelectric …
Breaking the sodium solubility limit for extraordinary thermoelectric performance in p-type PbTe
The thermoelectric performance of a given material is closely related to its carrier
concentration. However, the maximum solubility of dopants in matrixes is a key limitation for …
concentration. However, the maximum solubility of dopants in matrixes is a key limitation for …
Silver atom off-centering in diamondoid solid solutions causes crystallographic distortion and suppresses lattice thermal conductivity
The class I–III–VI2 diamondoid compounds with tetrahedral bonding are important
semiconductors widely applied in optoelectronics. Understanding their heat transport …
semiconductors widely applied in optoelectronics. Understanding their heat transport …
High Thermoelectric Performance in Chalcopyrite Cu1–xAgxGaTe2–ZnTe: Nontrivial Band Structure and Dynamic Doping Effect
The understanding of thermoelectric properties of ternary I–III–VI2 type (I= Cu, Ag; III= Ga, In;
and VI= Te) chalcopyrites is less well developed. Although their thermal transport properties …
and VI= Te) chalcopyrites is less well developed. Although their thermal transport properties …
Hidden local symmetry breaking in silver diamondoid compounds is root cause of ultralow thermal conductivity
Typically, conventional structure transitions occur from a low symmetry state to a higher
symmetry state upon warming. In this work, an unexpected local symmetry breaking in the …
symmetry state upon warming. In this work, an unexpected local symmetry breaking in the …
Revealing the Origin of Anisotropic Rashba Spin‐Orbital Splitting and Four‐Phonon Scattering in Strontium‐Tin‐Selenium Thermoelectrics
Inspired by the remarkable performance of SnSe‐based compounds in thermoelectrics, a
strontium‐tin‐selenium (SrSnSe2) compound is theoretically designed, observing …
strontium‐tin‐selenium (SrSnSe2) compound is theoretically designed, observing …
Modulating structures to decouple thermoelectric transport leads to high performance in polycrystalline SnSe
In recent years, the thermoelectric properties of SnSe crystals have been rather impressive,
while those of polycrystalline SnSe are not ideal due to the grain boundary scattering, which …
while those of polycrystalline SnSe are not ideal due to the grain boundary scattering, which …
Giant phonon anharmonicity driven by the asymmetric lone pairs in Mg3Bi2
Mg 3 Bi 2-based materials exhibit high thermoelectric performance at ambient temperature
benefitting from their low lattice thermal conductivity. However, the underlying physics of this …
benefitting from their low lattice thermal conductivity. However, the underlying physics of this …