Fabrication of nanoperforated ultrathin TiO2 films by inkjet printing

Xu Qian, Jan-Henrik Smått, Jouko Peltonen, Petri Ihalainen

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

3 Citeringar (Scopus)

Sammanfattning

Fabrication of nanoperforated TiO2 thin films (NP-TiO2) on various substrates utilizing evaporation-induced self-assembly has been widely reported during recent years. For many applications, such as solar cells and gas sensors, it would be beneficial if the active material could be deposited onto a desired area or in the form of a pattern or array. In this study, inkjet printing was successfully used to produce NP-TiO2 at both ambient temperature and 60 degrees C. Especially for intermediate drop spacings (40 and 50 mu m), millimeter-sized homogeneous NP-TiO2 patches were obtained with similar NP structure as those being processed by dip coating and drop casting. Compared to ambient temperature, inkjet printing at 60 degrees C provides a narrower height distribution of the NP structures of about 5 nm. Compared to dip coating and drop casting, inkjet printing enables the deposition of the ink onto target areas, thus enabling the fabrication of microscale arrays and other patterned structures.
OriginalspråkOdefinierat/okänt
Sidor (från-till)2144–2150
TidskriftJournal of Materials Research
Volym30
Utgåva14
DOI
StatusPublicerad - 2015
MoE-publikationstypA1 Tidskriftsartikel-refererad

Nyckelord

  • Inkjet printing
  • TiO2

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