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Aerosol-assisted processing of hierarchically organised TiO2 nanoparticles

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2015
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Authors
Mančić, Lidija
Dugandžić, Ivan
Milošević, Olivera
Jovanović, Dragana J.
Šaponjić, Zoran
Rabanal, Maria Eugenia
Gómez-Villalba, Luz Stella
Article (Accepted Version)
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Abstract
Hierarchically assembled TiO2 nanoparticles into larger spherical ones were obtained using aerosol-assisted processing method. Unagglomerated particles with the mean size of 440 nm were obtained from colloidal solution of TiO2 nanoparticles (~4.5 nm) using ultrasonic spray pyrolysis at 550°C. Their morphological complexity and structural polymorphism were investigated by using X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and transmission electron microscopy (TEM) coupled with selected area electron diffraction (SAED) analysis. Pronounced evolution of nanocrystalline TiO2(B) phase assembled together with the anatase building units (sized ~15 nm) in uniform submicrometric particles implicate their feasibility to be used in dye-sensitised solar cells and lithium ion batteries.
Keywords:
DSSC / TiO2 / nanoparticles / aerosol processing / dye-sensitised solar cells / hierarchically organised spherical particles / light scattering centres / lithium ion batteries / nanotechnology
Source:
International Journal of Materials and Product Technology, 2015, 50, 3-4, 221-229
Publisher:
  • Bucks, UK : INDERSCIENCE Publishers
Projects:
  • Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-45020)
  • University Carlos III (Madrid, Spain) and the Santander Bank Chairs of Excellence Programme

DOI: 10.1504/IJMPT.2015.068530

ISSN: 1741-5209 (Online); 0268-1900 (Print)

WoS: 000352845500002

Scopus: 2-s2.0-84926658523
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URI
http://dais.sanu.ac.rs/123456789/646
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Институт техничких наука САНУ

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