Porphyrins as Molecular Electronic Components of Functional Devices

. Author manuscript; available in PMC: 2011 Oct 1.

Published in final edited form as: Coord Chem Rev. 2010 Oct 1;254(19-20):2297–2310. doi: 10.1016/j.ccr.2010.05.014

Surface Attachment Chemistry

Structure/surface	Comments, and surface bond energies [6]	Recent examples
Por-tether-S-/gold	Migration and lability of S-Au bond can be used to form islands of electroactive molecules and can present issues for preparing useful devices. Surface bond energy ~1.9eV	[131–137]
Por-tether-CH=CH-/Si(100) Por-tether-CH₂-/Si(100)	This bond is less labile, surface bond energy ~3.7 eV.	[143]
Por-tether-O-/Si(100)	Surface bond energy ~3.7 eV	[144]
Adsorption	Surface bond energy <0.5 eV	[113, 114, 116, 117, 121, 123]