Improving the thermoelectric figure of merit [PDF]
Science and Technology of Advanced Materials, 2021 The efficiency of a thermoelectric generator and the coefficient of performance (COP) of a thermoelectric heat pump are related to the hot and cold junction temperatures and a quantity known as the figure of merit, zT.
H. Julian Goldsmid
doaj +6 more sources
Thermopower, figure of merit and Fermi integrals [PDF]
Scientific Reports, 2021 The thermoelectric efficiency accounting for the conversion of thermal energy into electricity is usually given by the figure of merit which involves three transport coefficients, with the thermopower, the electrical and the thermal conductivities. These
Patrice Limelette
doaj +4 more sources
Figure of merit for piezoelectric MEMS speakers [PDF]
Microsystems & NanoengineeringPiezoelectric MEMS speakers, an emerging technology with great promise, face significant challenges in performance evaluation and rational design. Their broadband nature means that responses at every frequency point across the whole operating bandwidth ...
Mingchao Sun +8 more
doaj +2 more sources
A quantitative figure of merit for battery SEI films and their use as functional solid-state electrolytes. [PDF]
Proc Natl Acad Sci U S ASignificance Solid electrolyte interphase (SEI) is a critical layer in batteries, yet its properties are often described qualitatively, leaving key functional aspects poorly understood.
Liu B +14 more
europepmc +2 more sources
A figure of merit for efficiency roll-off in TADF-based organic LEDs. [PDF]
NatureOrganic light-emitting diodes (OLEDs) are a revolutionary light-emitting display technology that has been successfully commercialized in mobile phones and televisions1,2.
Diesing S +3 more
europepmc +2 more sources
Atomic Level Defect Structure Engineering for Unusually High Average Thermoelectric Figure of Merit in n-Type PbSe Rivalling PbTe. [PDF]
Adv Sci (Weinh), 2022 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 ZTave and ...
Ge B +11 more
europepmc +2 more sources
Polycrystalline SnSe with a thermoelectric figure of merit greater than the single crystal. [PDF]
Nat Mater, 2021 Thermoelectric materials generate electric energy from waste heat, with conversion efficiency governed by the dimensionless figure of merit, ZT. Single-crystal tin selenide (SnSe) was discovered to exhibit a high ZT of roughly 2.2–2.6 at 913 K, but more ...
Zhou C +17 more
europepmc +2 more sources
A phenomenological figure of merit for photovoltaic materials
JPhys EnergyI derive a figure of merit (FOM) $\Gamma_{\mathrm{PV}}$ to estimate the maximum efficiency attainable by a generic non-ideal photovoltaic (PV) absorber in a planar single-junction solar cell.
Andrea Crovetto
doaj +2 more sources
Layered Tin Chalcogenides SnS and SnSe: Lattice Thermal Conductivity Benchmarks and Thermoelectric Figure of Merit. [PDF]
J Phys Chem C Nanomater Interfaces, 2022 Tin sulfide (SnS) and tin selenide (SnSe) are attractive materials for thermoelectric conversion applications. Favorable small band gap, high carrier mobility, large Seebeck coefficient, and remarkably low lattice thermal conductivity are a consequence ...
Rundle J, Leoni S.
europepmc +2 more sources
Strategies to Improve the Thermoelectric Figure of Merit in Thermoelectric Functional Materials. [PDF]
Front Chem, 2022 In recent years, thermoelectric functional materials have been widely concerned in temperature difference power generation, electric refrigeration and integrated circui, and so on.
Sun Y, Liu Y, Li R, Li Y, Bai S.
europepmc +2 more sources