Nanocomposites containing titanium dioxide for environmental remediation

Figures & data

Table 1. Physical properties of anatase, rutile, brookite and TiO₂-B

	Anatase	Rutile	Brookite	TiO2-B
Theoretical Density (g/cm^3)	3.84	4.26	4.11	3.64
Unit Cell Volume (Å^3)	34.02	31.12	32.2	35.27
Band Gap (eV)	3.2	3.0	3.3	3.29
Space group	P42/mnm	I4I/amd	Pbca	C2/m
Molecule/cell	4	2	8	1
Crystal structure	Tetragonal	Tetragonal	orthorhombic	Monoclinic

Figure 1. Polymorphs of Titania a) rutile b) anatase c) brookite and d) TiO₂-B. Figure adopted from [26]

Figure 2. Graphic mechanism of photocatalysis [30]

Figure 3. Effect of reaction conditions on solvothermal synthesis of titania [75]

Figure 4. Effect of flow rate on gold nanoparticle decorated titania for RB-5 dye degradation. Figure adapted from reference [108]

Figure 5. Comparison of photocatalytic efficiency of Cu and Ni-doped titania. Figure adapted from reference [109]

Figure 6. Mechanism for degradation of 4-chlorophenol using W-Mo-TiO₂ [111]

Figure 7. SEM images of a) titania precursor b) F-TiO₂ c) Mn-FTiO₂ d) Co-FTiO₂ e) Ni-FTiO₂ f) Cu-FTiO₂ [117]

Figure 8. Models of various mesoporous structures with pore diameters and symmetry. Figure adapted from reference [131]

Figure 9. Effect of pH on surface charge as measured by Zeta Potential studies. Figure adapted from reference [133]

Figure 10. Scheme for a diagram for the binding of β-cyclodextrin onto TiO₂ nanoparticles [135]

Figure 11. Scheme for synthesis of foamed titania graphitic carbon nitride [147]

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