Observation of PTCDA Thin Film

Observation of PTCDA Thin Film

These images show organic thin films (perylene-3, 4, 9, 10-tetra-carboxylic-dianhydride) epitaxially grown on graphite surfaces. The laminar growth of the films can be observed. The steps of approx. 0.3 nm can be clearly seen.
(Data provided by Dr. Hoshino, Graduate School of Science, Kyoto University)