Figure 4.

FTIR spectra of the as-prepared samples. Curves a to g: MnO2/PANI fabricated in 0, 0.02, 0.05, 0.1, 0.2, 0.5, and 1 M HClO4, respectively.

Meng et al. Nanoscale Research Letters 2013 8:179   doi:10.1186/1556-276X-8-179
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