Perylenetetracarboxylic dianhydride is an organic dye molecule and an organic semiconductor. It is used as a precursor to a class of molecules known as Rylene dyes, which are useful as pigments and dy
Atomic force microscopy image of a single PTCDA molecule on Si at room temperature.
Self-assembly of PTCDA molecules on NaCl, scanning tunneling microscopy image.
Teinture naturelle Millepertuis 2
A scanning tunneling microscope is a type of scanning probe microscope used for imaging surfaces at the atomic level. Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer, the
Image of reconstruction on a clean (100) surface of gold
A 1986 STM from the collection of Musée d'histoire des sciences de la Ville de Genève
A large STM setup at the London Centre for Nanotechnology