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Van Nong, Ngo
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Topics
Publications (50/50 displayed)
- 2019Effect of oxygen defects blocking barriers on gadolinium doped ceria (GDC) electro-chemo-mechanical propertiescitations
- 2019Formation mechanism and thermoelectric properties of CaMnO3 thin films synthesized by annealing of Ca0.5Mn0.5O filmscitations
- 2019Contact of ZnSb thermoelectric material to metallic electrodes using S-Bond 400 solder alloycitations
- 2019Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2019Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2018Efficient p-n junction-based thermoelectric generator that can operate at extreme temperature conditionscitations
- 2018P-type Al-doped Cr-deficient CrN thin films for thermoelectricscitations
- 2018P-type Al-doped Cr-deficient CrN thin films for thermoelectricscitations
- 2018Effect of ion-implantation-induced defects and Mg dopants on the thermoelectric properties of ScNcitations
- 2018Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2017Efficient p-n junction-based thermoelectric generator that can operate at extreme temperature conditionscitations
- 2017Reduction of the thermal conductivity of the thermoelectric material ScN by Nb alloyingcitations
- 2017Reduction of the thermal conductivity of the thermoelectric material ScN by Nb alloyingcitations
- 2017Thermal operating window for PEDOT:PSS films and its related thermoelectric propertiescitations
- 2017Microstructure and chemical data of the thermoelectric ZnSb material after joining to metallic electrodes and heat treatmentcitations
- 2016On the Challenges of Reducing Contact Resistances in Thermoelectric Generators Based on Half-Heusler Alloyscitations
- 2016On the Challenges of Reducing Contact Resistances in Thermoelectric Generators Based on Half-Heusler Alloyscitations
- 2016Effects of spark plasma sintering conditions on the anisotropic thermoelectric properties of bismuth antimony telluridecitations
- 2016Scandium-doped zinc cadmium oxide as a new stable n-type oxide thermoelectric materialcitations
- 2016Promising bulk nanostructured Cu2Se thermoelectrics via high throughput and rapid chemical synthesiscitations
- 2016Experimental and theoretical investigation of Cr 1-x Sc x N solid solutions for thermoelectricscitations
- 2016Experimental and theoretical investigation of Cr1-xScxN solid solutions for thermoelectricscitations
- 2015Mechanism of Formation of the Thermoelectric Layered Cobaltate Ca 3 Co 4 O 9 by Annealing of CaO–CoO Thin Filmscitations
- 2015Ambient effects on the electrical conductivity of carbon nanotubescitations
- 2015Ambient effects on the electrical conductivity of carbon nanotubescitations
- 2015Mechanism of Formation of the Thermoelectric Layered Cobaltate Ca3Co4O9 by Annealing of CaO–CoO Thin Filmscitations
- 2015Mechanism of Formation of the Thermoelectric Layered Cobaltate $Ca_{3}Co_{4}O_{9}$ by Annealing of CaO-CoO Thin Filmscitations
- 2015Effects of Yttrium and Iron co-doping on the high temperature thermoelectric properties of Ca3Co4O9+δcitations
- 2014Characterization of the interface between an Fe–Cr alloy and the p-type thermoelectric oxide Ca3Co4O9citations
- 2014Fabrication, spark plasma consolidation, and thermoelectric evaluation of nanostructured CoSb3citations
- 2014High temperature thermoelectric properties of Ca3Co4O9+δ by auto-combustion synthesis and spark plasma sinteringcitations
- 2014Characterization of the interface between an Fe–Cr alloy and the p -type thermoelectric oxide Ca 3 Co 4 O 9citations
- 2014Fabrication, spark plasma consolidation, and thermoelectric evaluation of nanostructured CoSb 3citations
- 2013High Temperature Thermoelectric Properties of Y and Fe codopants in Ca 3 Co 4 O 9+δ
- 2013High Temperature Thermoelectric Properties of Y and Fe codopants in Ca3Co4O9+δ
- 2013The Influence of α- and γ-Al 2 O 3 Phases on the Thermoelectric Properties of Al-doped ZnOcitations
- 2013The Influence of α- and γ-Al2O3 Phases on the Thermoelectric Properties of Al-doped ZnOcitations
- 2012Structure and morphology of platinum nanoparticles with critical new issues of low- and high-index facetscitations
- 2012Effects of Synthesis and Processing on the Thermoelectric Properties of Ca3Co4O9+δ
- 2012High-temperature segmented thermoelectric oxide module using p-type Ca3Co4O9 and n-type ZnAlO/CaMn0.95Nb0.05O3 legs
- 2012Structure and thermoelectric properties of Ca2−xSrxFeMoO6 (0 ≤ x ≤ 0.3) double-perovskite oxidescitations
- 2012Microstructure and thermoelectric properties of screen-printed thick-films of misfit-layered cobalt oxides with Ag additioncitations
- 2012High-temperature segmented thermoelectric oxide module using p -type Ca 3 Co 4 O 9 and n -type ZnAlO/CaMn 0.95 Nb 0.05 O 3 legs
- 2012Electronic-structure origin of the anisotropic thermopower of nanolaminated Ti3SiC2 determined by polarized x-ray spectroscopy and Seebeck measurementscitations
- 2012Low Cost High Performance Zinc Antimonide Thin Films for Thermoelectric Applicationscitations
- 2011High-temperature thermoelectric properties of late rare earth-doped Ca3Co4O9+citations
- 2011Anomalously high thermoelectric power factor in epitaxial ScN thin filmscitations
- 2011Enhanced electrochemical performance of the solid oxide fuel cell cathode using Ca3Co4O9+δcitations
- 2011High-temperature Thermoelectric and Microstructural Characteristics of Ga Substituted on the Co-site in Cobalt-based Oxidescitations
- 2006Thermoelectric Properties and Local Electronic Structure of Rare Earth-doped Ca3Co2O6citations
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document
Effects of Synthesis and Processing on the Thermoelectric Properties of Ca3Co4O9+δ
Abstract
In the present study, Ca3Co4O9+δ was synthesized by solid-state and sol-gel reactions followedby spark plasma sintering (SPS) under different conditions such as sintering temperatures, applied pressures and ramping rates. The materials were then characterized with respect to their microstructure, phase purity and thermoelectric properties. With the identical optimal SPS process, the power factor of about 400 µW/m•K2 and 465 µW/m•K2 (at 800 °C) is measured from samples produced by solid-state and sol-gel reactions respectively, both of these values are higher than the value reported so far. The thermoelectric performance improvement observed for the solid-state and sol-gel reactions suggests that the particle sizes may be a predominant key parameter of the Ca3Co4O9+δ thermoelectric properties. Smaller particle size (500 nm) as produced in this study by sol-gel synthesis method with optimal SPS process conditions would be a better way to fabricate high performance thermoelectric material Ca3Co4O9+δ.