Figure 6.

C1s spectra: (a) GO(1), (b) GO(2). (c-d) Mn2p, (e-f) O1s spectra of MnO2-GO(1) and MnO2-GO(2).

Yang et al. Nanoscale Research Letters 2011 6:531   doi:10.1186/1556-276X-6-531
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