International Journal of Photoenergy / 2008 / Article / Fig 4

Research Article

Preparation of by Spray Pyrolysis and Evaluation of Apparent Photocatalytic Activity for Hydrogen Production from Water

Figure 4

SEM images of NaTaO3 powders synthesized by spray pyrolysis with variation of precursor preparation temperature: (a) 298 K, (b) 313 K, (c) 333 K, (d) 353 K (mean residence time = 2.25 seconds, spray pyrolysis temperature = 1173 K, precursor concentration = 0.125 M, carrier gas (air) flow rate = 4 L/min, Na/Ta = 1.00).

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