Figure 3.

aThe CV curves at various scan rates from 20 to 200 mV s−1for the MnO2film synthesized at RT,bthe CV curves at various scan rates from 20 to 200 mV s−1for the MnO2film synthesized at 80 °C,cspecific capacitance at various scan rates for the MnO2thin films with different nanostructures, anddEIS spectra of MnO2thin films with different nanostructures

Xia et al. Nanoscale Research Letters 2009 4:1035-1040   doi:10.1007/s11671-009-9352-4