Figure 1.

XRD patterns. As-synthesized TiO2 NPs at RT (a) and the TiO2 (anatase) NPs aged at elevated temperature (b) with the corresponding reference file (ICDD-PDF No. 01–0562).

Chen et al. Nanoscale Research Letters 2012 7:297   doi:10.1186/1556-276X-7-297
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