Photochromic Hollow Shells: Photoisomerization of Azobenzene Polyionene in Solution, in Multilayer Assemblies on Planar and Spherical Surfaces
Jung, B.-D., Hong, J.-D., Voigt, A., Leporatti, S., Dähne, L., Donath, E., Möhwald, H.
Colloids Surf., A 2002, 198-200, 483-489