Beschreibung:
<jats:title>Abstract</jats:title><jats:p>Invited for the cover of this issue is the group of Heinrich Lang at the University of Chemnitz, Germany. The cover image shows highly porous materials of type Ag@C (red) and Ag@SiO<jats:sub>2</jats:sub> (blue), obtained by twin polymerization from the appropriate silver(I) carboxylate as silver source and 2,2'‐spirobi[4<jats:italic>H</jats:italic>‐1,3,2‐benzodioxasiline] as the specific twin monomer.</jats:p>