Application of Spectroscopy Technology in Nanomaterials in Identification of Chinese Paintings

Table 4

Photocatalytic reaction rates at different voltages.

TiO2	Voltage	2 h	4 h	6 h	8 h	10 h
Reaction speed	25 V	1.12	1.46	1.71	2.27	2.70
	35 V	1.29	2.05	2.11	2.65	2.34
	45 V	1.69	2.23	2.50	2.23	2.06