Figure 2.

Transmission spectra of MWCNTs and NH2/MWCNTs. (a) FTIR spectra of pristine MWCNTs and NH2/MWCNTs with 5 × 1014 and 1 × 1016 ions/cm2. C1s XPS spectra obtained from (b) pristine MWCNTs, (c) NH2/MWCNTs with 5 × 1014 ions/cm2, and (d) NH2/MWCNTs with 1 × 1016 ions/cm2.

Guo et al. Nanoscale Research Letters 2013 8:205   doi:10.1186/1556-276X-8-205
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