Hof Ferdinand, Schäfer Ricarda A, Weiss Cornelius, Hauke Frank, Hirsch Andreas
Department of Chemistry and Pharmacy and Institute of Advanced Materials and Processes (ZMP), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestrasse 42, 91054 Erlangen (Germany), Fax: (+49) 9131-85-26864.
Chemistry. 2014 Dec 8;20(50):16644-51. doi: 10.1002/chem.201404662. Epub 2014 Oct 24.
The covalent functionalization of carbon allotropes represents a main topic in the growing field of nano materials. However, the development of functional architectures is impeded by the intrinsic polydispersibility of the respective starting material, the unequivocal characterization of the introduced functional moieties, and the exact determination of the degree of functionalization. Based on a novel carbon allotrope functionalization reaction, utilizing λ(3) -iodanes as radical precursor systems, we were able to demonstrate the feasibility to separate and to quantify thermally detached functional groups, formerly covalently linked to carbon nanotubes and graphene through thermogravimetric GC-MS.
碳同素异形体的共价功能化是纳米材料这一不断发展的领域中的一个主要课题。然而,功能结构的发展受到各自起始材料固有的多分散性、引入的功能基团的明确表征以及功能化程度的精确测定的阻碍。基于一种利用λ(3)-碘烷作为自由基前体系统的新型碳同素异形体功能化反应,我们能够通过热重GC-MS证明分离和定量热脱附的功能基团的可行性,这些功能基团以前通过共价键连接到碳纳米管和石墨烯上。