in gaseous matrix fullerenes synthesis in microwave induced N2/C10H8 plasma at atmosphericpressure using cylindrical coaxial cavity (magnetron, 2.45 GHz); soot extn. (toluene), HPLC, mass spectrometry;
in gaseous matrix soot formation in conventional hot-filament CVD chamber from CH4/H2 mixt. (chamber pressure 30-35 Torr, 0.4 sccm CH4, 99.4 sccm H2, Si wafer as substrate at 850-900°C; TOF mass spectrometry;
oxygen in gaseous matrix org. compd. combustion in O2/10percent Ar flame at 40 Torr (atomic C/O ratio 0.96), according to J. B. Howard et al., J. Phys. Chem. 96 (1992) 6657; condensed material Soxhlet-extn. (toluene) for 363 h, filtration, soln. vol. redn. after 1,2-C6H4Cl2 addn.; soln. fractionation (SiO2 semipreparative column), further HPLS/MS anal.;
参考文献
Journal of Physical Chemistry B, , vol. 101, # 9 p. 1556 - 1560
in diphenylether org. compd. suspn. refluxing for 24 h under Ar, cooling;
参考文献
Journal of the Chemical Society - Perkin Transactions 1, , # 13 p. 1535 - 1543
→
反应条件
in neat (no solvent) byproducts: YC82, Y2C84; mixing carbon black with 20wt-percent of Y2O3 powder, introducing into the hot plasma zone of the reactor; Ar atmosphere;; main product: C60; further fullerides and fullerenes (C70, C84) could be detected by MS of the toluene extract;;
参考文献
Applied Physics Letters, , vol. 61, p. 2782 - 2783