High charge density structures, including carbon-based nanostructures and applications thereof
AssigneeMassachusetts Institute of Technology
InventorsTimothy M. Swager, Jan Schnorr
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Abstract
The present invention generally provides compositions including carbon-based nanostructures, catalyst materials and systems, and related methods. In some cases, the present invention relates to carbon-based nanostructures comprising a high density of charged moieties. Methods of the invention may provide the ability to introduce a wide range of charged moieties to carbon-based nanostructures. The present invention may provide a facile and modular approach to synthesizing molecules that may be useful in various applications including sensors, catalysts, and electrodes.
Claims29
A catalyst composition, comprising:
- a plurality of carbon-based nanostructures, each carbon-based nanostructure comprising a fused network of aromatic rings, a plurality of charged moieties attached to the carbon-based nanostructure, and a five-membered ring fused to the carbon-based nanostructure via two atoms of the carbon-based nanostructure, wherein the five-membered ring comprises a combination of carbon atoms and heteroatoms;
- and
- a fluid carrier,
- wherein the catalyst composition has a carbon-based nanostructure concentration greater than about 3 mg per mL of fluid carrier.
A catalyst composition, comprising:
- a carbon-based nanostructure comprising an outer surface, wherein the outer surface comprises a fused network of aromatic rings, the network comprising a plurality of double bonds;
- and
- a plurality of sulfonate moieties covalently attached to the network,
- wherein the ratio of charged moieties to double bonds is at least 1 to 10.
Dependencies are inferred from the claim text.