book of abstracts - IM2NP

A B S T R A C T S FRIDAY, JULY 2 N A N O S E A 2 0 1 0
Particularly, the increase of OH absorption band at ~3253 cm-1 (Fig.1(a)) may be attributed to the formation
of methanol due to the reaction between methoxysilane heads and silicon oxide. Moreover CH2 band
narrowing (Fig.1(b)) indicates the monolayer order is increasing during the grafting process. Fullerenes are
then grafted from a toluene solution on these amine-functionalized SAMs. Two deposition conditions are
compared: at room temperature and at high temperature under solvent reflux. AFM/STM experiments
allowed monitoring fullerene deposition by either imaging (Fig.2) or I-V characteristics (Fig.3).
Figure 2. STM (100nmx100nm) image of
C 60 molecules grafted under reflux during
24 hours on NH 2 (aminoethanethiol)
functionalized Au(111).
Figure 3. STM I-V characteristic of C 60 molecules
grafted under reflux during 24 hours on NH 2
(aminoethanethiol) functionalized Au(111).
3 – Conclusion
Further studies are addressed such as thermal deposition of fullerenes [6], Surface Enhanced Raman
Scattering on fullerenes grafted on nanostructured amine-modified gold substrates, and electronic transport
properties (elctron trapping for memory cell application,…) of those C60 SAMs via evaporated metallic
contacts.
Acknowledgments
Equipment used for this study was mainly funded by the “Objectif 2” EEC program (FEDER), the “Conseil
Général du Var” Council, the PACA Regional Council and Toulon Provence Méditerranée which are
acknowledged.
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5. F. Schreiber, Progress in Surf. Sci. 65, 151 (2000)
6. T.H. Hou, U. Ganguly, E.C. Kan, Appl. Phys. Lett. 89, 253113 (2006)
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