Details

Autor(en) / Beteiligte

• Arin, Melis
• Lommens, Petra
• Avci, Nursen
• Hopkins, Simon C.
• De Buysser, Klaartje
• Arabatzis, Ioannis M.
• Fasaki, Ioanna
• Poelman, Dirk
• Van Driessche, Isabel

Titel

Inkjet printing of photocatalytically active TiO2 thin films from water based precursor solutions

Ist Teil von

• Journal of the European Ceramic Society, 2011-06, Vol.31 (6), p.1067-1074

Erscheinungsjahr

2011

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• An aqueous chemical solution deposition route suited for ink jet printing was used to synthesise photocatalytically active TiO2 coatings. Environmentally friendly precursor solutions with electromagnetic ink-jet printing allowed the cheap and simple processing of TiO2 films on glass. The hydrolysis reaction of water sensitive titanium alkoxide (Ti-alkoxide) precursor was controlled by adding complexing agents such as citric acid and triethanolamine prior to water addition, and aqueous stable solutions were achieved. The pH of the solutions was neutralised to guarantee flexible processing, avoid damage to substrates and equipment. The solution parameters were adapted to obtain optimal gelation conditions. The influence of processing parameters on the phase formation and surface morphology were studied by TGA/DTA, XRD, SEM and AFM. The photocatalytic activity of the films was evaluated by the degradation of methyl orange.