Figure 1: XRD patterns of thermolysis products in argon (primary composites): a) [Co(NH3)6][Fe(CN)6]; b) [Co(en)3][Fe(CN)6]∙2H2O; c) [Ni(NH3)6]3[Fe(CN)6]2, d) Co(NH3)6]Cl[Cu(C7H4O3)2] . 3H2O.
Initial complex |
° |
CompositionMe/C |
Ratio Me1:Me2:C |
Ssp, m2/g |
Morphology |
[Co(en)3][Fe(ox)3] |
550 |
60,7/23,6 |
1:0,9:3,6 |
93 |
hollow prisms |
600 |
63,7/21,2 |
1:1:3 |
154 |
||
700 |
71,2/23 |
1:0,9:2,9 |
128 |
||
[Ni(NH3)6]3[Fe(CN)6]2 |
600 |
77/23 |
3:2:7,3 |
27,7 |
fine tangled filaments + spongy |
650 |
78/22 |
3:2:7 |
43,8 |
||
700 |
80/19 |
3:2:5,5 |
72,7 |
||
800 |
72,9/21,6 |
3:2:7 |
78,5 |
||
[Co(NH3)6][Fe(CN)6] |
630 |
71/29 |
1:1:3,9 |
36,5 |
rod-like particles |
800 |
70,8/27,5 |
1:1:3,7 |
35,7 |
||
[Co(NH3)6]4[Fe(CN)6]3 |
675 |
75,3/22,1 |
4:3:9,7 |
48 |
spongy masses |
|
950 |
76/23 |
4:3:10,1 |
49,3 |
|
[Co(en)3][Fe(CN)6] |
450 |
39/30 |
1:1:7,4 |
22 |
elongated nodules |
700 |
60/40 |
1:1:6,5 |
– |
||
[Co(en)3]4[Fe(CN)6]3 |
560 |
55/30 |
4:3:18,4 |
33 |
irregularly shaped debris |
650 |
64,5/35 |
4:3:17,9 |
102 |
||
[Co(NH3)6]Cl[Cu (C7H4O3)2] |
650 |
57,6/29 |
1:1:5,2 |
38.6 |
porous cellular formations |
900 |
67,7/33 |
1:1:5 |
186 |
Table 1: Characteristics of primary composites
Initialcomplex |
° |
Yield, g C/g complex |
ContentMe1+Me2, |
Ssp, m2/g |
d (Ssp), nm |
d (Scherrer formula), nm |
Morphology |
[Co(en)3][Fe(ox)3] |
550 |
0,37 |
|
255 |
15 |
|
Hollow prisms |
600 |
0,36 |
|
263 |
15 |
|
||
700 |
0,45 |
|
328 |
12 |
|
||
[Ni(NH3)6]3[Fe(CN)6]2 |
600 |
0,30 |
|
224 |
14 |
|
Filamentous crystals |
650 |
0,24 |
4,2 + 3,4 |
226 |
17 |
36 |
||
700 |
0,28 |
8,0 + 6,8 |
276 |
14 |
14 |
||
800 |
0,33 |
8,4 + 6,1 |
230 |
17 |
40 |
||
[Co(NH3)6][Fe(CN)6] |
630 |
0,32 |
3,8 + 4,8 |
109 |
29 |
31 |
Tubular particles |
800 |
0,31 |
2,3 + 3,0 |
109 |
31 |
31 |
||
[Co(NH3)6]4[Fe(CN)6]3 |
675 |
0,31 |
13,0 + 11,0 |
176 |
22 |
22 |
fine filament |
950 |
0,31 |
11,6 + 9,4 |
150 |
26 |
26 |
||
[Co(en)3][Fe(CN)6] |
450 |
0,31 |
13,3 +14,6 |
380 |
– |
– |
Sponge plates |
700 |
0,61 |
13,0 +10,4 |
230 |
11 |
9 |
||
[Co(en)3]4[Fe(CN)6]3 |
560 |
0,46 |
25,4 +9,5 |
40 |
– |
– |
Irregularly shaped debris |
650 |
0,52 |
16,4 +10,7 |
206 |
11 |
13 |
||
[Co(NH3)6]Cl[Cu(C7H4O3)2] |
650 |
0,46 |
17 |
48 |
53 |
– |
Large porous particles |
900 |
0,33 |
undetected |
466 |
8 |
– |
Table 2: Characteristics of secondary metal-carbon composites
Figure 1: XRD patterns of thermolysis products in argon (primary composites): a) [Co(NH3)6][Fe(CN)6]; b) [Co(en)3][Fe(CN)6]∙2H2O; c) [Ni(NH3)6]3[Fe(CN)6]2, d) Co(NH3)6]Cl[Cu(C7H4O3)2] . 3H2O.
Figure 2: XRD patterns of secondary composites: a) [[Co(NH3)6][Fe(CN)6]; b) [Co(en)3][Fe(CN)6]∙2H2O; c) [Ni(NH3)6]3[Fe(CN)6]2, d) Co(NH3)6]Cl[Cu(C7H4O3)2].3H2O.
Figure 3: Thermal analysis curves in air atmosphere of the secondary composite of composite [Ni(NH3)6]3[Fe(CN)6]2
Tables at a glance
Figures at a glance