Cyclopropanation Reactions of Carbon Nanotubes

 

 

 

 

Cyclopropanation Reactions of Carbon Nanotubes
Zois Syrgiannis, Caroline Hadad and Maurizio Prato
Article first published online: 3 JUN 2014 | DOI: 10.1002/ejoc.201402311
A new class of functionalized carbon nanotubes synthesized on the basis of in situ deprotected tosylhydrazones and the formation of cyclopropanated products is reported. A different product is obtained with different types of tosylhydrazones. This new class of functionalized carbon nanotubes is analogues to PC60BM materials and can find future use in plastic solar cells or flexible electronics.

Abstract
Covalent functionalization of single- and multiwalled carbon nanotubes was performed by using a cyclopropanation reaction under classical heating conditions. The method involves the in situ formation of diazo intermediates, which are generated from tosylhydrazone precursors. The covalent functionalization of the pristine materials was evaluated with the use of characterization techniques such as thermogravimetric analysis and Raman spectroscopy. All compounds were also characterized by UV/Vis/near-IR and transmission electron microscopy. Similar to the example of fullerene-type derivatives, this procedure can produce new materials that may be appropriate for devices such as solar cells.

http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201402311/abstract?campaign=woletoc
Cyclopropanation Reactions of Carbon Nanotubes†

Zois Syrgiannis,
Caroline Hadad and
Maurizio Prato*

Article first published online: 3 JUN 2014

DOI: 10.1002/ejoc.201402311

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