1000
800
600
Al-MCM-41(40)
Al-MCM-41(7.5)
8
400
2500
2000
1500
Pore Volume (cm3/ g)
1200
3.5
3.0
2.8 nm
2.5
2.0
1.5 2.7 nm
1.0
0.5
0.0
2
4
6
Pore Diameter (nm)
Volume Adsorbed (cm3/ g)
Volume Adsorbed (cm3/ g)
1400
Pore Volume (cm3/ g)
Supplementary information
1000
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Al-SBA-15(40)
Al-SBA-15(7.5)
8.6 nm
8.4 nm
5
10
15
Pore Diameter (nm)
20
500
200
0.0
0.2
0.4
0.6
p/po
0.8
1.0
0.0
0.2
0.4
0.6
0.8
1.0
p/po
Fig. S1 N2 adsorption-desorption isotherms and pore size distributions of Al-MCM-41(x),
Al-SBA-15(x) (x ― the Si/Al ratio of catalysts; in the inset ― pore size distribution)
Fig. S2 SEM images of HAS(x) (silica-alumina composite oxide with Si/Al ratio of x)
Intensity (a.u.)
(100)
Intensity (a.u.)
Al-MCM-41(7.5)
Intensity (a.u.)
Intensity (a.u.)
(100)
Al-MCM-41(40)
10 20 30 40 50 60 70 80
2 Theta (degree)
(110) (200)
Al-SBA-15(40)
Al-SBA-15(7.5)
10 20 30 40 50 60 70 80
2 Theta (degree)
(110)
Al-MCM-41(7.5)
(200)
Al-SBA-15(40)
Al-MCM-41(40)
3
4
5
6
2 Theta (degree)
7
1
8
Intensity (a.u.)
2
Intensity / a.u.
1
Al-SBA-15(7.5)
HAS(7.5)
2
3
4
2 Theta (degree)
HAS(40)
SAU-40
HAS(7.5)
10 20 30 40 50 60 70 80
2 Theta (degree)
HAS(40)
1
2
3
4
2 Theta (degree)
5
6
Fig. S3 XRD patterns of Al-MCM-41(x), Al-SBA-15(x) and HAS(x)
(x ― the Si/Al ratio of catalysts)
5
6
NH3 Desorption ( a.u.)
HAS(7.5)
Al-SBA-15(7.5)
HAS(40)
Al-SBA-15(40)
Al-MCM-41(7.5)
Al-MCM-41(40)
100
200
300
400
o
Temperature ( C)
500
Fig. S4 NH3-TPD profiles of Al-MCM-41(x), Al-SBA-15(x) and HAS(x)
(x ― the Si/Al ratio of catalysts)