Figure 1.

Digital photograph of (a) pure [HMIM]BF4, (b) 0.03% of GE/[HMIM]BF4, and (c) 0.03% of MWCNT/[HMIM]BF4.

Wang et al. Nanoscale Research Letters 2012 7:314   doi:10.1186/1556-276X-7-314
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