Fig. 4.
TGA curves of PPy and MnO2 samples. (a) urchin-like MnO2 sample, (b) caddice-clew-like MnO2 sample, (c) 30 μL PPy-coated urchin-like MnO2 sample, and (d) 50 μL PPy-coated caddice-clew-like MnO2 sample
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