Scopus
YÖKSİS DOI Eşleşti
SJR Q2
The effect of synthesis technique on thermoelectric properties of nanocrystalline NaCo2O4ceramics
Journal of Nanoparticle Research · Kasım 2014
YÖKSİS Kayıtları
The effect of synthesis technique on thermoelectric properties of nanocrystalline NaCo2O4 ceramics
Journal of Nanoparticle Research · 2014 SCI-Expanded
Prof. Dr. MUSTAFA KOYUNCU →
YÖKSİS Kayıtları — ISSN Eşleşmesi
The effect of synthesis technique on thermoelectric properties of nanocrystalline NaCo2O4 ceramics
2014 ISSN: 1388-0764 SCI-Expanded
Prof. Dr. MUSTAFA KOYUNCU →
Development of a novel treatment strategy for the removal
of cadmium from wastewater samples using poly(vinyl
alcohol)‑based magnetic hydrogel beads
2024 ISSN: 1388-0764 SCI-Expanded Q3
Dr. Öğr. Üyesi TUĞÇE GÖVER →
Makale Bilgileri
ISSN13880764
Yayın TarihiKasım 2014
Cilt / Sayfa16
Scopus ID2-s2.0-84912569426
Özet
Sodium cobalt oxide (NaCo2O4) nanocrystalline thermoelectric ceramic powders were synthesized using conventional polymerized complex sol–gel and electrospinning techniques and then consolidated into bulk ceramics. We have investigated the differences in the microstructure and thermoelectric properties of the samples prepared using electrospinning and sol–gel methods. The crystal structures of the powders and nanofibers were characterized using X-ray diffraction and scanning electron microscopy before and after calcination at different temperatures. Nanofibers prepared by electrospinning have a diameter of approximately 300 nm, while the diameter of the grains of sol–gel powders ranges from 1 to 5 µm. Thermoelectric properties of the bulk ceramics were measured by physical properties measurement system in the temperature range of 15–300 K. The calculated values of dimensionless figure of merit at 300 K are 6 × 10−7and 4 × 10−5for sintered powders from sol–gel and nanofibers, respectively. While electrospinning production technique increase thermoelectric power approximately 15 % and it fold electrical conductivity average 20 times, it decreased thermal conductivity by 90 %.
Yazarlar (3)
1
Mehmet Okan Erdal
2
Mustafa Koyuncu
3
İbrahim Uslu
Anahtar Kelimeler
Electrospinning
Energy conversion
Nanocomposite
Sodium cobaltine
Sol-gel
Thermoelectric properties
Kurumlar
Gazi Üniversitesi
Ankara Turkey
Selçuk Üniversitesi
Selçuklu Turkey
Scimago Dergi (ISSN Eşleşmesi)
Journal of Nanoparticle Research
Q2
SJR Skoru0,524
H-Index156
YayıncıSpringer Science and Business Media B.V.
ÜlkeNetherlands
Atomic and Molecular Physics, and Optics (Q2)
Chemistry (miscellaneous) (Q2)
Condensed Matter Physics (Q2)
Materials Science (miscellaneous) (Q2)
Modeling and Simulation (Q2)
Bioengineering (Q3)
Nanoscience and Nanotechnology (Q3)
Metrikler
17
Atıf
3
Yazar
6
Anahtar Kelime