What are carbon spherogels?

Carbon spherogels are a specific form of an carbon aerogel: A monolithic, cylindrical body is solely composed out of hollow spheres  with an extra ordinary high homogeneity over the whole sample. The TEM micropgraph in Fig. A depicts the uniformly sized hollow spheres as building units.

Polystyrene spheres

We use a colloidal polystyrene (PS) solution as templating agent for our resorcinol formaldehyde gelation. In Fig. B you can see a SEM image of these monodisperse, nanosized (200 nm) spheres.