Growth of thin fullerene films by matrix assisted pulsed laser evaporation

Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2011

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C60 fullerene thin films of average thickness of more than 100 nm on silicon substrates can be produced in vacuum by matrix-assisted pulsed laser evaporation (MAPLE). A 355 nm Nd:YAG laser was directed onto a frozen target of anisole with a concentration of 0.67 wt% C60. At laser fluences below 1.5 J/cm2 the dominant fraction of the film molecules are C60 transferred to the substrate without any fragmentation. For high fluences high-resolution SEM images of MAPLE deposited films reveal large circular features on the surface with high amount of material concentrated at edges. These features, observed over a wide range of laser fluences, are caused by ejection of large matrix-fullerene liquid droplets into the gas-phase and subsequent deposition. At similar laser energies, but using an unfocused laser beam, MAPLE favours evaporation of matrix and organic molecules, resulting in films with smooth surfaces and minimal contamination.
Original languageEnglish
Publication date2011
StatePublished - 2011
EventE-MRS Spring Meeting ICAM & E-MRS / MRS Bilateral Conference on Energy : Technical sessions - Nice, France


ConferenceE-MRS Spring Meeting ICAM & E-MRS / MRS Bilateral Conference on Energy : Technical sessions
CityNice, France
Period01/01/2011 → …
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ID: 6325345