Single pot synthesis of ordered mesoporous carbon with nanoparticles
+
+
+
High surface area ordered mesoporous carbon composite (after NaOH etch) C
3
Quantity adsorbed (cm /g)
1000 800
Powders are magnetic with high susceptibility due to small nanoparticle size
600 CS-68 CS-Co-1 CS-Co-4 CS-Co-10
400 200 0.0
0.2
0.4
0.6
0.8
Nanoparticles dispersed in the ordered mesoporous carbon matrix
1.0
Relative pressure D
dV/dlog(D)cm g
3 -1
4
Graphitic shell surrounds Co nanoparticles
3 2
CS-68 CS-Co-1 CS-Co-4
1
CS-Co-10 0 0
5
10
15
20
Pore diameter (nm)
BET shows narrow pore size distribution with 10 % Co(acac)
Co increases graphitic content and nanoparticles are crystalline Particles are excellent adsorbents and magnetically separable
