Electrophoretic deposition and characterization of self-doped SrTiO3 thin films | Zendy

Naeimeh Sadat PEIGHAMBARDOUST | Zendy; Umut Aydemir | Zendy

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Electrophoretic deposition and characterization of self-doped SrTiO3 thin films

Author(s) -

Naeimeh Sadat PEIGHAMBARDOUST,

Umut Aydemir

Publication year - 2020

Publication title -

turkish journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.239

H-Index - 46

eISSN - 1303-6130

pISSN - 1300-0527

DOI - 10.3906/kim-2007-13

Subject(s) - water splitting , photocatalysis , hydrogen production , hydrogen , chemistry , hydrogen fuel , photocatalytic water splitting , solar energy , electrolysis of water , semiconductor , photochemistry , chemical engineering , materials science , optoelectronics , electrolysis , catalysis , organic chemistry , electrode , engineering , ecology , electrolyte , biology

Herein, titanium (Ti 3+ ) self-doped strontium titanate (SrTiO 3 ), so-called blue SrTiO 3 , with a bandgap of 2.6 eV and favorable photocatalytic characteristics was fabricated through a facile and effective method. For electrochemical investigations, the electrophoretic deposition was applied to produce SrTiO 3 thin films on (fluorine-doped tin oxide) FTO conductive substrates. The electrophoretic voltage of 20 V and a process duration of 10 min were optimized to reach transparent and uniform coatings on FTO. The blue SrTiO 3 reveals lower resistance (charge transfer resistance of 6.38 Ω cm -2 ) and higher electron mobility (current density value of 0.25 mA cm -2 ) compared to a pure SrTiO 3 electrode. These findings may provide new insights for developing high-performance visible light photocatalysts.

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