Unconventional quantum Hall effect and Berry鈥檚 phase of 2蟺 in bilayer graphene.pdfUnderstanding and controlling the substrate effect on graphene electron-transfer chemistry via reactivity imprint lithography.pdfUnusual infrared-absorption mechanism in thermally reduced graphene oxide-SI.pdfValley filter and valley valve in graphene.pdfWetting transparency of graphene-s1.pdf