Additional file 1.

Photograph and Raman spectra of SWCNT forest with different heights. Figure S1. Photograph of SWCNT forest with different heights with Si substrate. Figure S2. Raman spectra of SWCNT forest with different heights (excitation wavelength 532 nm).

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Sakurai et al. Nanoscale Research Letters 2013 8:546   doi:10.1186/1556-276X-8-546