Visible Light Photocatalysis with Rare Earth Ion-Doped TiO_𝟐 Nanocomposites

Table 1

Summary of results.

Samples	Molar fraction𝑥	Particle size 𝑧 (nm)	𝑡1/2 (min)	𝐶^∗180(%)	𝑘obs^∗∗  (×10^−2 min^−1)
CPH Gd·TiO2	0.1	12	60	80	0.87
	0.2	12	60	75	0.75
CPH Yb·TiO2	0.1	13	60	85	1.02
	0.2	13	60	80	0.87
CPH Y·TiO2	0.1	16	30	91	2.74
	0.2	19	30	95	2.62
Commercial TiO2+	0.0	57	120	67	0.59
SSR Gd·TiO2	0.1	37	180	49	0.42
	0.2	34	120	70	0.71
SSR Yb·TiO2	0.1	43	120	61	0.53
	0.2	36	90	75	0.78
SSR Y·TiO2	0.1	45	90	75	0.79
	0.2	56	75	79	0.89

*After 180 minutes. **First order fitting. ⁺As received pure anatase powder used in SSR samples.