Figures & data
Figure 1. Total polyphenol content (TPC) for (a) various of time at temperature of 50°C and (b) various of temperature for 30 min.
![Figure 1. Total polyphenol content (TPC) for (a) various of time at temperature of 50°C and (b) various of temperature for 30 min.](/cms/asset/2c3bfdfa-0783-4241-aa44-e48afbd80236/tgcl_a_2352571_f0001_oc.jpg)
Table 1. Compounds detected in the red spinach leaf extract.
Table 2. Crystal properties of TiO2 NPs.
Figure 4. Particle size distribution of (a) TiO2-3, (b) TiO2-5, (c) TiO2-7, (d) TiO2-10, and (e) TiO2-15.
![Figure 4. Particle size distribution of (a) TiO2-3, (b) TiO2-5, (c) TiO2-7, (d) TiO2-10, and (e) TiO2-15.](/cms/asset/940dc7a6-a3a9-4cad-b673-cea998594f64/tgcl_a_2352571_f0004_oc.jpg)
Figure 6. (a) Photocatalytic activity, (b) kinetics value for all TiO2 NPs, and (c) photocatalytic activity of TiO2-3 on different pH for methylene blue degradation.
![Figure 6. (a) Photocatalytic activity, (b) kinetics value for all TiO2 NPs, and (c) photocatalytic activity of TiO2-3 on different pH for methylene blue degradation.](/cms/asset/cd9be61e-814d-4fcb-b20d-c7e1bdf2f202/tgcl_a_2352571_f0006_oc.jpg)
Table 3. Comparison of the photocatalytic activity with several previous reports of TiO2 synthesized using plant extracts.