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Resolution: standard / high Figure 3.
Hollow TiO2 particles. Hollow TiO2 particles obtained by calcination of PSt/TiO2 at 600°C (A, sample C) and those by calcination and preheating of PSt/TiO2 particles (B, sample HC).
Wang et al. Nanoscale Research Letters 2012 7:646 doi:10.1186/1556-276X-7-646 |