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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Yamauchi, Yusuke
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Dealloying Strategies for Mesoporous AuCu Nanoparticles: Impact on Internal Metallic Structure and Electrocatalytic Performancecitations
- 2024Selection of Fe as a barrier for manufacturing low-cost MgB2 multifilament wires - Advanced microscopy study between Fe and B reactioncitations
- 2023Weak Bonds, Strong Effectscitations
- 2023Flexible Nanoarchitectonics for Biosensing and Physiological Monitoring Applicationscitations
- 2023Mesoporous multimetallic nanospheres with exposed highly entropic alloy sitescitations
- 2023High entropy alloying strategy for accomplishing quintuple-nanoparticles grafted carbon towards exceptional high-performance overall seawater splittingcitations
- 2022Multifunctional materials for photo-electrochemical water splittingcitations
- 2022Plasma-Induced Nanocrystalline Domain Engineering and Surface Passivation in Mesoporous Chalcogenide Semiconductor Thin Filmscitations
- 2022Efficient lithium-ion storage using a heterostructured porous carbon framework and its in situ transmission electron microscopy studycitations
- 2021Self-templated fabrication of hierarchical hollow manganese-cobalt phosphide yolk-shell spheres for enhanced oxygen evolution reactioncitations
- 2020Photodegradation Activity of Poly(ethylene oxide-b-<i>ε</i>-caprolactone)-Templated Mesoporous TiO<sub>2</sub> Coated with Au and Ptcitations
- 2020Holey assembly of two-dimensional iron-doped nickel-cobalt layered double hydroxide nanosheets for energy conversion applicationcitations
- 2020Potassium-Ion Storage in Cellulose-Derived Hard Carboncitations
- 2019Reduced Graphene Oxide (rGO) Prepared by Metal-Induced Reduction of Graphite Oxidecitations
- 2019Enhancement of thermoelectric properties of La-doped SrTiO <sub>3</sub> bulk by introducing nanoscale porositycitations
- 2018Graphene-oxide-loaded superparamagnetic iron oxide nanoparticles for ultrasensitive electrocatalytic detection of microRNAcitations
- 2017Self-assembly of polymeric micelles made of asymmetric polystyrene-b-polyacrylic acid-b-polyethylene oxide for the synthesis of mesoporous nickel ferritecitations
- 2017Nano-micro-porous skutterudites with 100% enhancement in ZT for high performance thermoelectricitycitations
- 2016Cyano-Bridged Trimetallic Coordination Polymer Nanoparticles and Their Thermal Decomposition into Nanoporous Spinel Ferromagnetic Oxidescitations
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article
Enhancement of thermoelectric properties of La-doped SrTiO <sub>3</sub> bulk by introducing nanoscale porosity
Abstract
<jats:p>Electron-doped SrTiO<jats:sub>3</jats:sub>is a well-known<jats:italic>n</jats:italic>-type thermoelectric material, although the figure of merit of SrTiO<jats:sub>3</jats:sub>is still inferior compared with<jats:italic>p</jats:italic>-type metal oxide-based thermoelectric materials due to its high lattice thermal conductivity. In this study, we have used a different amount of the non-ionic surfactant F127 during sample preparation to introduce nanoscale porosities into bulk samples of La-doped SrTiO<jats:sub>3</jats:sub>. It has been observed that the porosities introduced into the bulk sample significantly improve the Seebeck coefficient and reduce the thermal conductivity by the charge carrier and phonon scattering respectively. Therefore, there is an overall enhancement in the power factor (PF) followed by a dimensionless figure of merit (<jats:italic>zT</jats:italic>) over a wide scale of temperature. The sample 20 at% La-doped SrTiO<jats:sub>3</jats:sub>with 600 mg of F127 surfactant (SLTO 600F127) shows the maximum PF of 1.14 mW m<jats:sup>−1</jats:sup>K<jats:sup>−2</jats:sup>at 647 K which is 35% higher than the sample without porosity (SLTO 0F127), and the same sample (SLTO 600F127) shows the maximum value of z<jats:italic>T</jats:italic>is 0.32 at 968 K with an average enhancement of 62% in<jats:italic>zT</jats:italic>in comparison with the sample without porosity (SLTO 0F127).</jats:p>