Size separation of graphene oxide using alternating current electric field

Kenta Morimoto, Seiji Obata, Koichiro Saiki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Graphene oxide (GO) is a new type of nanosheet bearing various functional groups. Nano-sized graphene oxide (NGO) especially shows plenty of attractive properties, such as photoluminescence. Although the size of GO strongly affects the properties, no deposition method can achieve facile size separation. Herein, we found that an alternating current electric field is effective for size separation. We examined the effect of the frequency, the treatment time, temperature of the solvent on the size of deposited GO.

Original languageEnglish
Pages (from-to)630-633
Number of pages4
JournalChemistry Letters
Issue number7
Publication statusPublished - 2019
Externally publishedYes


  • Graphene oxide
  • Nano-graphene
  • Size separation

ASJC Scopus subject areas

  • Chemistry(all)


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