On the Protoporphyrin Monolayers Conformation (pages 569–571)
Christophe Humbert, Laurent Dreesen, Yannick Sartenaer, André Peremans, Paul A. Thiry and Cédric Volcke
Article first published online: 8 FEB 2006 | DOI: 10.1002/cphc.200500475
Challenging Characterisation: Precise determination of the conformation and electronic properties of haemoporphyrin–metal interfaces are important for device characterisation. The authors show that metalloporphyrins lie more planar on the substrate than the metal-free porphyrins, which are less tilted with respect to the surface normal direction (see sum-frequency generation, SFG, spectra).