Morphologies of C 60 deposited on a substrate

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The morphologies of deposited C 60 on a copper substrate from a C 60-benzene solution were evaluated by using Scanning Electron Microscopy. It was found that the forms of deposited C 60 were dependent on the aggregation of C 60 in its original solution. During natural vaporization of benzene solution on a copper substrate, independent C 60 molecules in the solution assembled into crystal C 60 on the substrate, whereas the aggregates of C 60 in the solution were remained as amorphous C 60 particles on the substrate. However, if spinning was employed during vaporizing solvent, the C 60 aggregates were destroyed, leading to the formation of crystal C 60. Furthermore, the speed of spinning a substrate can tune the size and shape of deposited C 60. © 2012 Elsevier Ltd. All rights reserved.

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Journal of Physics and Chemistry of Solids