Figure 1.

Pictures of the nanofluids containing Fe3O4@PPy NPs standing for various times prepared under different amounts of pyrrole monomer at 160°C: (A) Commencement, (B) 1 h, (C) 4 h, (D) 1 week; (a) 0.1 mL, (b) 0.3 mL, (c) 0.5 mL.

Zhao and Nan Nanoscale Research Letters 2011 6:230   doi:10.1186/1556-276X-6-230
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