Tuning of graphene oxide composition by multiple oxidations for carbon dioxide storage and capture of toxic metals Michal Novacek, Ondrej Jankovsky, Jan Luxa, David Sedmidubský, Martin Pumera, Vlastimil Fila, Miloslav Lhotka, Katerina Klimova, Stanislava Matejkova, Zdeněk Sofer* Journal Of Materials Chemistry A 2017, 5(6), 2739-2748