Figure 9.

TEM images of annealed Cu-doped TiO2 samples. (a) 1 wt.% Cu-TiO2 and (b) 15 wt.% Cu-TiO2. Annealing temperature, 600°C; duration of annealing, 4 h (test 3).

Sahu and Biswas Nanoscale Research Letters 2011 6:441   doi:10.1186/1556-276X-6-441
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