TE Archives - Thermtest Inc.

High thermoelectric figure-of-merit in p-type nanostructured (Bi,Sb)2 Te3 fabricated via hydrothermal synthesis and evacuated-and-encapsulated sintering

Author(s): Chia-Jyi Liu, Hsin -Chang Lai, Liang-Ru Chen, Yen-Liang Liu

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, ZT

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

Author(s): Ankam Bhaskar, Chia-Jyi Liu, Ching-Lin Chang, J. J. Yuan

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, ZT

Enhanced thermoelectric performance of compacted Bi0.5Sb1.5Te3 nanoplatelets with low thermal conductivity

Author(s): Chia-Jyi Liu, Gao-Jhih Liu, Liang-Ru Chen, Yen-Liang Liu

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, ZT

Superlow Thermal Conductivity 3D Carbon Nanotube Network for Thermoelectric Applications

Author(s): Dehai Wu, Jikun Chen, Kunlin Wang, Lidong Chen, Qun Wang, Rong Xiang, Xuchun Gui, Xugui Xia, Yanfei Zhou, Zewei Wang, Zhen Li, Zikang Tang

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 ...

Keywords: Carbon nanotubes, CNTs, Electrical Transportation, Gas-Fuming Doping, Materials, TE, Thermal Conductivity, Thermoelectric, Thermoelectric (TE) Materials, Thermoelectric Performance

Finite element analysis of transient thermoelastic behaviors in disk brakes

Author(s): In Lee, Ji-Hoon Choi

Using the transient method, the thermoelastic properties of disk brakes are studied. Specifically, frictional heat generation is studied using the finite element method. In addition to this, the investigators looked ...

Keywords: Disk Brakes, finite-element method, heat conduction, Phenomenon, TE, TEI, Thermoelastic, Thermoelastic (TE), Thermoelastic Instability, Thermoelastic Instability (TEI) Phenomenon, Transient Analysis

Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance

Author(s): Alexander A. Balandin, D. Teweldebrhan, Vivek Goyal

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) method

Keyword: TE

High thermoelectric figure-of-merit in p-type nanostructured (Bi,Sb)2 Te3 fabricated via hydrothermal synthesis and evacuated-and-encapsulated sintering

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

Enhanced thermoelectric performance of compacted Bi0.5Sb1.5Te3 nanoplatelets with low thermal conductivity

Superlow Thermal Conductivity 3D Carbon Nanotube Network for Thermoelectric Applications

Finite element analysis of transient thermoelastic behaviors in disk brakes

Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance

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