Figure 2. Microstructure characterization (IMAGE)
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a) TEM image of the original C60 particles. b) Enlarged view with a FFT in the inset. c) High-resolution image showing the spacings of the (111) (0.81 nm) and (220) planes (0.49 nm) of fcc C60. d) Typical TEM image of LOPC particles. e) Enlarged view and FFT. f) High-resolution image showing deformed and connected cages in the LOPC crystal. g) Typical TEM image of polymer crystal particles. h) Enlarged view and FFT. i) High-resolution image showing individual C60 cages with centre-to-centre distances labelled in the polymer crystal; the suggested structure is shown by the orange-coloured overlayers in c, f and i for each carbon. j) Neutron PDF for the original C60, LOPC and the polymer crystal. Distances are labelled for the major peaks below 0.7 nm, which is the diameter of a C60 cage. Green arrows indicate the changes of peak positions and intensities in LOPC and polymer crystal, compared to the original C60.
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Institute for Basic Science
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