Journal of Nanomaterials / 2014 / Article / Fig 5

Review Article

The Cellulose Nanofibers for Optoelectronic Conversion and Energy Storage

Figure 5

(a) SEM image of a nanopaper surface. (b) SEM image of a nanopaper cross-section. (c) Stress-strain curves for nanopaper with different porosities. Cellulose with degree of polymerization (DP) 800 was used. (d) Comparison of tensile strength for different transparent substrate, including PET, regenerated cellulose film, and nanopaper. Note that the maximum strain for PET is up to 81% [32].
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