Abstract
Many large molecular complexes are limited in thin film applications by theirinsufficient thermal stability, which excludes deposition via commonly usedvapour phase deposition methods. Here we demonstrate an alternative way ofmonolayer formation of large molecules by a simple spray coating methodunder ambient conditions. This technique has been successfully applied onC60 dissolved in toluene and carbon disulfide. Monolayer thickC60 films have been formed on graphite and gold surfaces at particulardeposition parameters, as confirmed by atomic force and scanningtunnelling microscopies. Structural and electronic properties of spray coatedC60 films on Au(111) have been found comparable to thermally evaporatedC60. We attribute the monolayer formation in spray coating to a crystallization processmediated by an ultrathin solution film on a sample surface.
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