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Supporting Information
Metal–organic frameworks: A new promising class of material for high
performance supercapacitor electrode
Jie Yang,a,b Peixun Xiong, a,b Cheng Zheng, a,b Heyuan Qiu, a,b and Mingdeng Wei a,b
a State Key Laboratory of Photocatalysis on Energy and Environmet, Fuzhou University, Fuzhou, Fujian 350002, Chinab Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian 350002, China
*Corresponding author: Mingdeng Wei
Tel./fax: +86-591-83753180
E-mail address: wei-mingdeng@fzu.edu.cn
0 5 10 150
5
10
15
before after
-Z''/
Z'/
Fig. S1 EIS plots of Ni-MOF-24 before and after the cycling.
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A.This journal is © The Royal Society of Chemistry 2014
5 1/nm5 1/nm
1
2
3
4
5(100)
5 1/nm5 1/nm
1
2
3
5
(12-1)_ (01-1)<101>
<01-1>
(3-11)
(a)
(b)
Fig. S2 SAED patterns for the Ni-MOF materials: (a) Ni-MOF-12 and (b) Ni-MOF-24.
3600 3000 2400 1800 1200 60060
70
80
90
100
110
120
%
Tran
cem
ittan
ce (a
rb.u
nits
)
Wavenumber ( cm-1)885 880 875 870 865 860 855 850
Rela
tive c
ount
s ( s
)
Binding energy ( eV )
0 100 200 300 400 500 600 700-70
-60
-50
-40
-30
-20
-10
0
10
Weig
ht (%
)
Temperature(℃)
Ni2
p 1/2
(s)
Ni2
p 1/2
Ni2
p 3/2
(s)
Ni2
p 3/2
1508
3596
3435 3350 30
66
1582
1390
(a)
(b) (c)
Fig. S3 Characterization results of Ni-MOF-12 material: (a) TG-DTA curve, (b) XPS, and (c) IR spectrum.
0.0 0.2 0.4 0.6 0.8 1.0-5
0
5
10
15
20
25
30
Volu
me a
bsor
ded(
cm3 /g
)
Relative Pressure ( P/P0)
0 10 20 30 40 50 600.000.010.020.030.040.05
dV/d
W (c
m3 n
m-1g-1
)
pore width (nm)
0.0 0.2 0.4 0.6 0.8 1.0-5
0
5
10
15
20
25
30
Volu
me a
bsor
ded(
cm3 /g
)
Relative Pressure ( P/P0)
0 10 20 30 40 50 600.0000.0050.0100.0150.0200.0250.030
dV/d
W (c
m3 n
m-1g-1
)
pore width (nm)
(a)
(b)
Fig. S4 N2 adsorption-desorption isotherms and the pore size distribution curves for the Ni-MOF
materials: (a) Ni-MOF-12 and (b) Ni-MOF-24.
Fig. S5 Space filling mode of Ni-MOF-12 on (020) plane.
5 10 15 20 25 30
before after
2 Theta ( degree )
Fig. S6 XRD patterns of Ni-MOF-24 before and after the alkali treatment.
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