Preparation, Characterization, and Enhanced Photocatalytic Hydrogen Evolution Activity of Y_𝟐Cu_𝟐O_𝟓-Based Compounds under Simulated Sunlight Irradiation

Table 2

Comparison of the activities of the four types of photocatalysts.

Type of photocatalysts	Amount of H2 evolution/mmol; h^−1 g^−1
TiO2-Y2Cu2O5 (sol-gel method)	4.35
Pt/Y2Cu2O5	4.12
TiO2-Y2Cu2O5 (solid state method)	3.99
Y2Cu2O5	3.78