Figure 7.

SEM images. Functionalized SWCNTs (a), PPY/GOx/SWCNTs-PhSO3 composite films obtained galvanostatically at 0.1 mA cm−2(b) and 0.5 mA cm−2(c), and pure polymeric PPY (d).

Raicopol et al. Nanoscale Research Letters 2013 8:316   doi:10.1186/1556-276X-8-316
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