Polychlorotriphenylmethyl Radicals: Towards Multifunctional Molecular Materials - Stable Radicals: Fundamentals and Applied Aspects of Odd-Electron Compounds - page 74

Figure2.35 Left:Schematicrepresentationof the microcontactprintingof a functionalizedPTM radicalon an
adhesivepre-functionalizedSAM.Right:Confocalmicroscopyimage(

λ = 488nm)ofaglasssurfacepatterned

exc

with a PTM radical derivative. The diameter of the fluorescent dots is 5 m. (Reprinted with permission from

[101].Copyright2007Wiley-VCHVerlagGmbH&Co.KGaA.)Afull-colourversionofthisfigureappearsinthe
ColourPlatesectionofthis topic.

µ

0,020

Au

0,016

SAM (PTM radical)

0,012

Ox. Red.

“ON

0,008

“OFF

0,004

Au

0,000

SAM (PTM anion)

400 600

Wavelength (nm)

Figure2.36 Left: Representation of the electroactive PTM SAM. Right: Absorbance spectra of the PTM anion
SAM on silicon (OFF state, black line) before and after oxidation to the PTM radical SAM (ON state, red line).
(Reprinted with permission from [101]. Copyright 2007 Wiley-VCH Verlag GmbH & Co. KGaA.) A full-colour
versionofthisfigureappearsintheColourPlatesection of this topic.