Tetrapyrrolic Macrocycles with Magnesium, Alluminum, and Zinc in Hydrogen Peroxide Decomposition - Progress in Organic and Physical Chemistry: Structures and Mechanisms - page 124

TABLE 1 Catalytic properties of Chl, AlClPc, and ZnPc adsorbed on silica in ɇ 2 Ɉ 2 decomposition in bicarbonate buffer (pH 8.5) in dark and under
the visible light irradiation.

k ef ,
l mol -1 s -1

k ef ,
l mol -1 s -1

TN,
h -1

,
%

η

k ob ·10 5 , s -1 TN, h -1 k ob ·10 5 , s -1

( N Cat / V )·10 5 ,
mol/l

Cat a , —mol/g

In dark Under irradiation

0.47
0.23*
0.57*
1.92*

0.94
0.46
1.14
3.84

2.42
3.4
2.7
3.1

2.6
7.6
2.4
0.81

990
2800
970
300

5.13
3.2
2.8
2.1

5.5
6.7
2.5
0.55

1700
2700
970
230

50
~0
0
-30

Chl

0.45
0.83
0.95
1.15
2.34

0.90
1.66
1.90
2.30
4.68

0.33
1.0
0.83
1.5
1.0

0.37
0.60
0.44
0.65
0.21

150
300
190
290
100

1.17
1.5
1.33
1.5
3.33

1.3
0.9
0.7
0.65
0.71

620
400
310
290
250

75
30
40
0
70

AlClPc

*Chl wa s immobilized with non-equilibrium (forced) deposition by solvent evaporation [10].