Fig. 2
From: Single and bundled carbon nanofibers as ultralightweight and flexible piezoresistive sensors

Raman spectra of nanofiber bundles pyrolyzed at a 500 °C, b 600 °C, c 700 °C, d 800 °C, and e 950 °C.
From: Single and bundled carbon nanofibers as ultralightweight and flexible piezoresistive sensors
Raman spectra of nanofiber bundles pyrolyzed at a 500 °C, b 600 °C, c 700 °C, d 800 °C, and e 950 °C.