Table 2 Catalytic performances of the catalysts with different Al2O3 cycles for styrene epoxidation reaction.

From: In situ tuning of electronic structure of catalysts using controllable hydrogen spillover for enhanced selectivity

Entry

Catalysts

Distance (nm)

TBHP condition

H2-TBHP condition

Conversion (%)

SO sel. (%)

Conversion (%)

SO sel. (%)

1

CoOx/35Al2O3/Pt

5

91.0

77.5

83.5

93.9

2

CoOx/50Al2O3/Pt

7

93.4

76.2

82.5

94.8

3

CoOx/65Al2O3/Pt

9

92.5

78.2

85.6

86.5

4

CoOx/80Al2O3/Pt

11

93.0

76.4

89.0

77.1

5

CoOx/100Al2O3/Pt

14

92.0

76.3

90.2

76.8

6

CoOx/300Al2O3/Pt

41

94.8

74.8

91.9

75.1