Related Experiment Videos
Model for the planar-homeotropic anchoring transition induced by trans-cis isomerization
1Dipartimento di Fisica, and Instituto Nazionale di Fisica della Materia (INFM), Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy.
Abstract:
We present a model to explain the planar-homeotropic anchoring transition of azobenzene induced by UV illumination via trans-cis isomerization. We consider bulk and surface as two different phases (separated by an infinitely sharp interface) which are in equilibrium. We obtain a relation for the exposure time after which the transition takes place.