10-Undecene-1-thiol (alternative name: 11-Mercaptoundecene) generates alkene surfaces, which are responsive to irradiation with X-rays, UV light, electrons, or ions. This compound lends itself to a variety of studies: polymerization of the surface, Diels-Alder reactions, electrochemical analysis, and other alkene chemistry (K. Heister, et al., Langmuir 2001, 17, 8).