@article{Liu2016, author = "Changqing Liu and Guoxin Hu", title = "{Effect of Nitric Acid Treatment on the Preparation of Graphene Sheets by Supercritical N,N‑Dimethylformamide Exfoliation}", year = "2016", month = "2", url = "https://acs.figshare.com/articles/journal_contribution/Effect_of_Nitric_Acid_Treatment_on_the_Preparation_of_Graphene_Sheets_by_Supercritical_i_N_i_i_N_i_Dimethylformamide_Exfoliation/2254237", doi = "10.1021/ie5019707.s001" }