The thermoelectric properties of two thermoelectric materials (Ca3Co4O9+delta and Ca3−xPrxCo3.95Ga0.05O9+delta) were investigated in this paper. The power factor of one of the samples ...Read More
High thermoelectric figure-of-merit in p-type nanostructured (Bi,Sb)2 Te3 fabricated via hydrothermal synthesis and evacuated-and-encapsulated sintering
A series of Bi(2-x)Sb(x)Te3 powders were prepared via hydrothermal methods by varying x (x=1.45, 1.50, 1.55, 1.56). These powders were then heavily characterized by XRD, EDS, ICP-AES, TEM, SEM ...
Keywords: EDS, Energy Dispersive Spectroscopy, Energy Dispersive Spectroscopy (EDS), Figure of Merit, Figure of Merit (ZT), Hydrothermal Methods, ICP-AES, Inductively Coupled Plasma-Atomic Emission Spectrometer, Inductively Coupled Plasma-Atomic Emission Spectrometer (ICP-AES), Materials, Nanovoltmeter, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), Seebeck Voltage, SEM, TE, TEM, Thermal Conductivity, Thermoelectric, Thermoelectric (TE) Materials, Transmission electron microscopy, Transmission electron microscopy (TEM), van der Pauw Method, X-ray Diffraction, X-ray diffraction (XRD), XRD, ZTRead More
Thermoelectric properties of n-type Ca(1-x)Bi(x)Mn(1-y)Si(y)O(3-delta) (x = y = 0.00, 0.02, 0.03, 0.04, and 0.05) system
CaMnO3 has been proposed for use in thermoelectric materials, due to its favourable thermoelectric properties. In this article, the effect of doping using bismuth and silicon to replace calcium and ...
Keywords: density, Doping, electrical resistance, Figure of Merit, Figure of Merit (ZT), Iodometric Titration, Lattice Parameters, Materials, Phase Purity, Sintering, Solid State Reactions, TE, Thermoelectric, Thermoelectric (TE) Materials, Thermoelectric Modules, Thermopower, X-ray Diffraction, X-ray diffraction (XRD), XRD, ZTRead More
Enhanced thermoelectric performance of compacted Bi0.5Sb1.5Te3 nanoplatelets with low thermal conductivity
A series of compacted Bi0.5Sb1.5Te3 nanoplatelets are synthesized using hydrothermal methods, followed by cold pressing and sintering at temperatures between 300°C and 380°C. A variety of thermal, mechanical ...
Keywords: AFM, Atomic Force Microscope, Atomic Force Microscope (AFM), Cold Pressing, EDX, Electrical Resistivity, Energy Dispersive X-Ray, Energy Dispersive X-Ray (EDX) Spectrometry, FE-SEM, Field Emission Scanning Electron Microscopy, Field Emission Scanning Electron Microscopy (FE-SEM), Figure of Merit, Figure of Merit (ZT), Hydrothermal Method, Materials, Powder X-Ray Diffraction, Powder X-Ray Diffraction (XRD), Power Factor, Seebeck Voltage, Sintering Temperature, Spectrometry, TE, TEM, Temperature, Thermal Conductivity, Thermoelectric, Thermoelectric (TE) Materials, TPS Method, Transient Plane Source, Transient plane source (TPS) method, Transmission electron microscopy, Transmission electron microscopy (TEM), XRD, ZTRead More
A 3D carbon nanotube (CNT) network is explored and how potassium or iodine doping can affect the thermoelectric properties of this network. Through in-situ nanoscaling, this CNT network was combined ...Read More
Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance
The 'graphene-like' mechanical exfoliation of Bi2Te3 films is shown to have a significant effect on the thermoelectric properties of these films. The modification of thermal conductivity due to exfoliation ...
Keywords: Annealing, Bi2Te3, Bismuth Telluride, Bismuth Telluride (Bi2Te3), Current-Voltage Characteristics, EDS, Energy Dispersive Spectroscopy, Energy Dispersive Spectroscopy (EDS), films, graphene, Laser Flash Technique, Laser Flash Technique (LFT), LFT, Materials, Mechanical Exfoliation, Micro-Raman Spectroscopy, Pseudosuperlattice, Scanning Electron Microscope, Scanning electron microscope (SEM), Seebeck Measurements, SEM, TE, Temperature, Thermal Conductivity, Thermoelectric, Thermoelectric (TE) Materials, TI, Topological Insulators, Topological Insulators (TI), TPS, Transient Plane Source, Transient plane source (TPS) methodRead More