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Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties

Само за регистроване кориснике
2015
Аутори
Vasiljević, Zorka Ž.
Luković, Miloljub D.
Nikolić, Maria Vesna
Tasić, Nikola B.
Mitrić, Miodrag
Aleksić, Obrad S.
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документу
Апстракт
Thick films using starting nanopowders of TiO2 (anatase 99.7%) and α-Fe2O3 (hematite) mixed in the weight ratios 60:40 and 40:60 for thick film paste were fabricated by screen printing technology on an alumina substrate. Samples were sintered at temperatures of 800-950 °C for 60 min. Structural and electronic properties were analyzed by XRD and SEM analysis, UV/vis spectroscopy and current-voltage analysis in view of potential application as gas sensors and anodes in photoelectrochemical cells for hydrogen generation and water splitting. XRD analysis showed that at 800 °C monoclinic pseudobrookite formed and anatase had transformed into rutile. Increase in sintering temperature lead to a gradual transformation of monoclinic pseudobrookite into the orthorhombic phase. SEM analysis showed that a homogenous small grain structure was obtained especially in the case of thick film samples with the 40:60 ratio of starting anatase and hematite sintered at 850 °C. © 2015 Elsevier Ltd and Techna... Group S.r.l.

Кључне речи:
films / sintering / optical properties / pseudobrookite
Извор:
Ceramics International, 2015, 41, 5, 6889-6897
Издавач:
  • Elsevier
Пројекти:
  • 0-3D наноструктуре за примену у електроници и обновљивим изворима енергије: синтеза, карактеризација и процесирање (RS-45007)

DOI: 10.1016/j.ceramint.2015.01.141

ISSN: 0272-8842

WoS: 000353176400029

Scopus: 2-s2.0-84925182708
[ Google Scholar ]
7
7
URI
http://dais.sanu.ac.rs/123456789/3540
Колекције
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Институција
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Vasiljević, Zorka Ž.
AU  - Luković, Miloljub D.
AU  - Nikolić, Maria Vesna
AU  - Tasić, Nikola B.
AU  - Mitrić, Miodrag
AU  - Aleksić, Obrad S.
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/3540
AB  - Thick films using starting nanopowders of TiO2 (anatase 99.7%) and α-Fe2O3 (hematite) mixed in the weight ratios 60:40 and 40:60 for thick film paste were fabricated by screen printing technology on an alumina substrate. Samples were sintered at temperatures of 800-950 °C for 60 min. Structural and electronic properties were analyzed by XRD and SEM analysis, UV/vis spectroscopy and current-voltage analysis in view of potential application as gas sensors and anodes in photoelectrochemical cells for hydrogen generation and water splitting. XRD analysis showed that at 800 °C monoclinic pseudobrookite formed and anatase had transformed into rutile. Increase in sintering temperature lead to a gradual transformation of monoclinic pseudobrookite into the orthorhombic phase. SEM analysis showed that a homogenous small grain structure was obtained especially in the case of thick film samples with the 40:60 ratio of starting anatase and hematite sintered at 850 °C. © 2015 Elsevier Ltd and Techna Group S.r.l.
PB  - Elsevier
T2  - Ceramics International
T1  - Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties
SP  - 6889
EP  - 6897
VL  - 41
IS  - 5
DO  - 10.1016/j.ceramint.2015.01.141
ER  - 
@article{
author = "Vasiljević, Zorka Ž. and Luković, Miloljub D. and Nikolić, Maria Vesna and Tasić, Nikola B. and Mitrić, Miodrag and Aleksić, Obrad S.",
year = "2015",
url = "http://dais.sanu.ac.rs/123456789/3540",
abstract = "Thick films using starting nanopowders of TiO2 (anatase 99.7%) and α-Fe2O3 (hematite) mixed in the weight ratios 60:40 and 40:60 for thick film paste were fabricated by screen printing technology on an alumina substrate. Samples were sintered at temperatures of 800-950 °C for 60 min. Structural and electronic properties were analyzed by XRD and SEM analysis, UV/vis spectroscopy and current-voltage analysis in view of potential application as gas sensors and anodes in photoelectrochemical cells for hydrogen generation and water splitting. XRD analysis showed that at 800 °C monoclinic pseudobrookite formed and anatase had transformed into rutile. Increase in sintering temperature lead to a gradual transformation of monoclinic pseudobrookite into the orthorhombic phase. SEM analysis showed that a homogenous small grain structure was obtained especially in the case of thick film samples with the 40:60 ratio of starting anatase and hematite sintered at 850 °C. © 2015 Elsevier Ltd and Techna Group S.r.l.",
publisher = "Elsevier",
journal = "Ceramics International",
title = "Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties",
pages = "6889-6897",
volume = "41",
number = "5",
doi = "10.1016/j.ceramint.2015.01.141"
}
Vasiljević ZŽ, Luković MD, Nikolić MV, Tasić NB, Mitrić M, Aleksić OS. Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties. Ceramics International. 2015;41(5):6889-6897
Vasiljević, Z. Ž., Luković, M. D., Nikolić, M. V., Tasić, N. B., Mitrić, M.,& Aleksić, O. S. (2015). Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties.
Ceramics InternationalElsevier., 41(5), 6889-6897.
https://doi.org/10.1016/j.ceramint.2015.01.141
Vasiljević Zorka Ž., Luković Miloljub D., Nikolić Maria Vesna, Tasić Nikola B., Mitrić Miodrag, Aleksić Obrad S., "Nanostructured Fe2O3/TiO2 thick films: Analysis of structural and electronic properties" 41, no. 5 (2015):6889-6897,
https://doi.org/10.1016/j.ceramint.2015.01.141 .

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