Catalyst-free synthesis of onion-like carbon nanoparticles
Source abstract
Abstract
A one-step process for the synthesis of onion-like carbon nanoparticles is described. The process is based on a thermolysis of a NaN3-C6Cl6 mixture. The effect of buffer gas (Ar or air) on the yield, morphology, and structure of the carbon products was investigated by electron microscopy, X-ray diffraction, and Raman spectroscopy. The products contained carbon-onions, amorphous carbon nanoparticles, and NaCl. The byproducts were completely removed using a simple purification process. The formation of onion-like nanoparticles is likely caused by a shock wave, a rapid increase of pressure, during thermolysis, which induced the coalescence of phenyl radicals.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Synthesis and Properties of Aromatic Compounds · Carbon Nanotubes in Composites · Fullerene Chemistry and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (33)
Show source-provided references
1. Direct observation of the tetrahedral bonding in graphitized carbon black by high resolution electron microscopy [J]10.1016/0022-0248(80)90013-5 ↗
2. Curling and closure of graphitic networks under electron-beam irradiation [J]10.1038/359707a0 ↗
3. Prospects and research progress in nano onion-like fullerenes [J]10.1016/S1872-5805(09)60001-9 ↗
4. Large-scale synthesis of onion-like carbon nanoparticles by carbonization of phenolic resin [J]10.1016/j.actamat.2007.07.013 ↗
5. Application of onion-like carbon to micro and nanotribology [J]10.1016/j.diamond.2007.01.031 ↗
6. Diamond-derived carbon onions as lubricants additives[J]10.1016/j.triboint.2007.05.001 ↗
7. Nanodiamond and onion-like carbon polymer nanocomposites [J]10.1016/j.diamond.2006.11.086 ↗
8. Onion-like carbon based polymer composite films in microwaves[J]10.1016/j.solidstatesciences.2008.12.003 ↗
9. Onion-like carbon and diamond nanoparticles for optical limiting [J]10.1016/S0009-2614(02)00557-2 ↗
10. Electrochemical performance of carbon onions, nanodiamonds, carbon black and multiwalled nanotubes in electrical double layer capacitors [J]10.1016/j.carbon.2007.08.024 ↗
11. Oxidative dehydrogenation of ethylbenzene to styrene over ultra-dispersed diamond and onion-like carbon [J]10.1016/j.carbon.2007.07.005 ↗
12. Carbon onions as nanoscopic pressur cells for diamond formation [J]10.1038/382433a0 ↗
13. Some implications of the radiation of graphite and carbon black [J]
14. Macroscopic synthesis and characterization of giant fullerenes [J]10.1016/S0009-2614(99)01281-6 ↗
15. The role of boron nitride in graphite plasma arcs [J]
16. Synthesis of carbon ‘onions’ in water [J]10.1038/35107141 ↗
17. Nanocarbon production by arc discharge in water [J]10.1016/S0008-6223(03)00111-8 ↗
18. Onion-like carbon from ultra-disperse diamond [J]10.1016/0009-2614(94)87072-1 ↗
19. Carbon onions produced by laser irradiation of amorphous silicon carbide [J]10.1016/S0009-2614(03)00677-8 ↗
20. Carbon onion growth enhanced by nitrogen incorporation [J]10.1016/j.scriptamat.2006.01.045 ↗
21. Combustion synthesis as a novel method for production of 1-D SiC nanostructures [J]10.1021/jp050837m ↗
22. Combustion synthesis route to carbon-encapsulated iron nanoparticles [J]10.1016/j.diamond.2006.05.002 ↗
23. Carbon-encapsulated magnetic nanoparticles spontaneously formed by thermolysis route [J]10.1080/15363830802171503 ↗
24. Synthesis of novel nanostructures by metal-polytetrafluoroethene thermolysis [J]10.1021/jp022183c ↗
25. Purification of carbon nanofibers with hydrogen peroxide [J]10.1016/S0379-6779(03)00081-X ↗
26. An easy one-step route to carbon-encapsulated magnetic nanoparticles [J]10.1080/15363830903291309 ↗
27. Quantitative X-ray diffraction analysis and its application to various coals[J]10.1016/S0008-6223(00)00318-3 ↗
28. One-step catalyst free generation of carbon nanospheres via laser induced pyrolysis of anthracene [J]10.1016/j.jssc.2008.07.012 ↗
29. Raman spectrum of graphite foams[J]10.1103/PhysRevB.71.165422 ↗
30. Full width at half maximum intensity of the G band in the first order Raman spectrum of carbon material as a parameter for graphitization[J]10.1016/j.carbon.2006.05.020 ↗
31. A study of the early history of soot formation in various hydrocarbon diffusion flames[J]10.1080/00102209108951779 ↗
32. Graphitization of activated carbon under high pressures and high temperatures[J]10.1016/j.ssc.2008.12.027 ↗
33. Generation of giant carbon hollow spheres from C60 fullerene by shock-compression[J]10.1016/S0009-2614(02)00997-1 ↗