Copper Selenide (CuSe) Monolith Fabricated by Facile Copper Foam Selenization for Efficient Photocatalytic Degradation of Methylene Blue

Table 1

Experimental conditions.

Experiments	Photocatalysts	Photocatalyst dosage (pieces)	MB concentration (mg·L^−1)	pH value	Cyclic number
Set I	Monolithic CuSe (60-min dark experiment)	5	10	7	1
Set II	Monolithic CuSe	5	10	7	1
	Powder CuSe
	Commercial P25
	Commercial ZnO
Set III	Monolithic CuSe (5, 10, and 20 ppi)	5	10	7	1
Set IV	Monolithic CuSe (10 ppi)	3, 5, 8, 10	10	7	1
Set V	Monolithic CuSe (10 ppi)	5	10, 15, 20, 25	7	1
Set VI	Monolithic CuSe (10 ppi)	5	10	3, 5, 7, 9, 11	1
Set VII	Monolithic CuSe (10 ppi)	5	10	7	10
Set VIII	Regenerated CuSe (10 ppi)	5	10	7	4