US 8,076,050 B2 · Blends of fullerene derivatives, and uses thereof in electronic devices

Abstract

Disclosed are compositions of mixed fullerene derivatives with utility in organic semiconductors, and methods of making and using such compositions. In certain embodiments, the present invention relates to compositions of mixed fullerene derivatives further comprising one or more additional fullerene-based components within specified ranges. In certain other embodiments, the invention relates to methods of producing mixed fullerene derivatives of a specific composition from mixed fullerene starting materials, or pure fullerene derivatives of a specific composition from mixed fullerene derivatives. In yet other embodiments, the invention relates to semiconductors and devices comprising a composition of the invention.

Claims22

Dependent claims

A method of preparing a mixture of fullerene derivatives, comprising the steps of:

reacting a chemical addend moiety with a mixture comprising C60 and C70 to give a first reaction product comprising a chemical derivative of C60 and a chemical derivative of C70;
dissolving the first reaction product in a first solvent to give a first solution;
combining the first solution with activated charcoal, with or without silica gel, to give a first suspension;
filtering the first suspension to give a first filtrate and a first filter cake;
combining the first filter cake with a second solvent to give a second suspension;
filtering the second suspension to give a second filtrate and a second filter cake.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/307,701Filed 6 Jul 2007 · us provisional application

Priority

6 Jul 2006

Published

US 2010/0127244 A127 May 2010

Granted

13 Dec 2011

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

C01B 32/156
Fullerenes: after-treatment
B82Y 10/00
Nanotechnology for information processing, storage or transmission
B82Y 30/00
Nanotechnology for materials or surface science
B82Y 40/00
Manufacture or treatment of nanostructures

Blends of fullerene derivatives, and uses thereof in electronic devices

Life of this patent

Blends of fullerene derivatives, and uses thereof in electronic devices

Life of this patent

Abstract

Claims22