Structural and spectroscopic properties of pressure-induced C70 polymers
by high pressure treatment at high temperature. Evidence for crosslinking is presented on the basis of X-ray diffraction pattern, infrared absorption, ultraviolet-visible absorption spectra. As was observed in C60 polymers, C70“polymerrdquo; is not soluble in toluene, and revert to conventional monomer crystals by heating to \(\) at ambient pressure.
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