Research / 2019 / Article / Fig 1

Research Article

Natural Nanofibrous Cellulose-Derived Solid Acid Catalysts

Figure 1

Preparation and structural characterizations of nanofibrous SACs. (a) Schematic illustration for the preparation processes of BC-CNFs-SO3H SACs. Digital images of large-scale preparation of (b) BC and (c) BC-CNFs aerogels. (d) SEM and (e) TEM images of BC-CNFs-400-SO3H. The insets in (e) are elemental mapping images for an individual nanofiber.