Abstract

The morphology of typical carbon materials including granular graphite, carbon nanotubes and graphenes was observe by scanning probe microscope (SPM). When water is used as the dispersants for preparing observing samples of the above carbon materials, the typical morphology characteristics of spherical graphite, curved carbon nanotubes and graphene sheets are distinctly exhibited by SPM. However, for graphene materials, when alcohol or dimethylformamide (DMF) is used as dispersants, the quality of SPM images becomes poor. The interaction between the dispersants and materials should be responsible for these observation results.

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