Rolling up graphene oxide sheets into micro/nanoscrolls by nanoparticle aggregation

[摘要]：We demonstrate an efficient and controllable way to roll up graphene oxide sheets into micro/nanoscrolls, where the rolling process is highly enhanced by nanoparticle aggregation. Nanoparticles like Ag and Fe3O4 attached onto graphene oxide sheets can help the rolling process, which may be expected to expand into other inorganic nanoparticles.

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