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. 2016 Feb 23;7:10780. doi: 10.1038/ncomms10780

Figure 4. Micrographs and characterization of PtNPs synthesized in ionic liquid solvent using 3D droplet generator.

Figure 4

(a) Transmission electron microscopy (TEM) images of PtNPs produced using the microfluidic droplet generator using 1x recycled, 2x recycled and 3x recycled BMIM-Tf2N ionic liquid. Scale bars represent 50 nm and histograms represent the NP diameters (n=500) from multiple TEM images. (b) X-ray diffraction (XRD) of the PtNPs. (c) 1H NMR spectra of the BMIM-NTf2 ionic liquid (*residual solvent peak), and (d) 19F NMR spectra of the BMIM-Tf2N ionic liquid. Both spectra in black are of the ionic liquid as received. (e) Comparison of the overall yield from various reactions.