Abstract
We have used freeze-fracture electron microscopy and static light scattering to study the conformations of two-dimensional sheets of graphitic oxide suspended in aqueous solution. Electron micrographs show the graphite sheets are flat with some curling at the edges. Scattering experiments yield a fractal dimension of 2.15 (0.06). Lowering the solvent polarity with acetone enhances the intramembrane affinity and leads to a compact structure. Under no conditions did we find a crumpled phase, which had been hypothesized as possible for 2D tethered membranes.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2867-2870 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 73 |
| Issue number | 21 |
| DOIs | |
| State | Published - 1994 |
| Externally published | Yes |
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