Research Article
Surfactant-Free Solvothermal Method for Synthesis of Mesoporous Nanocrystalline TiO2 Microspheres with Tailored Pore Size
Figure 1
XRD patterns of mesoporous TiO2 microspheres prepared with different amounts of urea: (a) 8 mmol; (b) 12 mmol; (c) 16 mmol; (d) 20 mmol.