Thin layer properties can be tailored based on the optimization of the precursor system and the deposition technique and parameters. For large surface – area applications, appropriate reproductible deposition must be chosen.

Tungsten trioxide presents remarcable optoelectric properties making it an ideal candidate as photoanode in a photo-electrochemical cell (PECC), [1-3].

This paper provide a comparative approach on WO₃ thin layers obtained via spray pyrolysis deposition (SPD) and other state-of-art deposition techniques. The influence of the SPD parameters (precursor system and temperature) on the thin WO₃ films with different crystalline properties, morphology and surface tension were considered.

References:

[1] P.S. Patil, S.B. Nikam, L.D. Kadam, Materials Chemistry and Physics 69 (2001) 77;

[2] D. Barreca, S. Bozza, G. Carta, G. Rossetto, E. Tondello, P. Zanella, Surface Science 532 – 535 (2003) 439;

[3] A.A. Akl, H. Kamal, K. Abdel-Hady, Physica B 325 (2003) 65.

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