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Luminescent systems based on the isolation of conjugated PI systems and edge charge compensation with polar molecules on a charged nanostructured surface

United States Patent

July 15, 2014
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Material-Independent Design of Photoluminescent Systems
A photoluminescent or electroluminescent system and method of making a non-luminescent nanostructured material into such a luminescent system is presented. The method of preparing the luminescent system, generally, comprises the steps of modifying the surface of a nanostructured material to create isolated regions to act as luminescent centers and to create a charge imbalance on the surface; applying more than one polar molecule to the charged surface of the nanostructured material; and orienting the polar molecules to compensate for the charge imbalance on the surface of the nanostructured material. The compensation of the surface charge imbalance by the polar molecules allows the isolated regions to exhibit luminescence.
Ivanov; Ilia N. (Knoxville, TN), Puretzky; Alexander A. (Knoxville, TN), Zhao; Bin (Oak Ridge, TN), Geohegan; David B. (Knoxville, TN), Styers-Barnett; David J. (Indianapolis, IN), Hu; Hui (Oak Ridge, TN)
UT-Battelle, LLC (N/A)
12/ 895,226
September 30, 2010
FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.