Figure 2.

SEM images and EDS results. (a,b) molten salt (×5,000 and × 30,000, respectively); (d,e) molten salt-based nanofluid containing 13-nm alumina NPs at 0.9 vol.% (×5,000 and × 30,000, respectively); (g,h) molten salt-based nanofluid containing 13-nm alumina NPs at 2.7 vol.% (×5,000 and × 30,000, respectively); (j,k) molten salt-based nanofluid containing 13-nm alumina NPs at 4.6 vol.% (×5,000 and × 30,000, respectively); (m,n) molten salt-based nanofluid containing 90-nm alumina NPs at 0.9 vol.% (×5,000 and × 30,000, respectively); (p,q) molten salt-based nanofluid containing 90-nm alumina NPs at 2.7 vol.% (×5,000 and × 30,000, respectively); (s,t) molten salt-based nanofluid containing 90-nm alumina NPs at 4.6 vol.% (×5,000 and × 30,000, respectively), and (c,f,i,l,o,r, and u) EDS analysis results at the scanned areas.

Lu and Huang Nanoscale Research Letters 2013 8:292   doi:10.1186/1556-276X-8-292
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