Table 3 Comparison of Visible-Light photocatalytic performance of nanocomposites for Cr(VI) Reduction.

From: Visible-light Cr(VI) reduction on a CdS@MOF@C3N4 heterostructure via cascade S-scheme mechanism: a comprehensive study

Photocatalyst

pH

Concentration (mg L− 1)

Time (min)

Removal (%)

Ref.

Ru/g-C3N4

2

20

90

87.2

78

g-C3N4/MoS2

3

20

120

86

79

MoS2-CdS

4

-

100

91.9

80

Bi2S3@CdS

4

20

180

81.51

81

TiO2 Hollow Sphere/UiO-66‐NH2

6.8

10

180

89

82

CdS@MOF@C3N4

3

20

100

86.7

This work

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