Methods for Buffered Coating of Nanostructures

A method of making a population of buffered barrier layer coated nanostructures, the method comprising:

• forming a solution of reverse micro-micelles using surfactants;
• incorporating nanostructures into the reverse micro-micelles;
• incorporating a buffer agent into the reverse micro-micelles;
• individually coating the nanostructures with a buffered barrier layer to form the buffered barrier layer coated nanostructures;
• and
• isolating the buffered barrier layer coated nanostructures with the surfactants of the reverse micro-micelles disposed on the barrier layer.

A nanostructure film comprising:

• a population of buffered barrier layer coated nanostructures comprising:
• a nanostructure,
• an optically transparent buffer layer disposed on the nanostructure, and
• an optically transparent buffered barrier layer, disposed on the buffer layer, configured to provide a spacing between adjacent nanostructures in the population of buffered barrier layer coated nanostructures to reduce aggregation of the adjacent nanostructures;
• and
• a matrix material configured to house the population of buffered barrier layer coated nanostructures and be in contact with the optically transparent buffered barrier layer.

A display device comprising:

• a layer that emits radiation;
• a film layer, comprising a population of buffered barrier layer nanostructures, disposed on the radiation emitting layer, wherein the population of buffered barrier layer nanostructures comprises:
• a nanostructure,
• an optically transparent buffer layer disposed on the nanostructure, and
• an optically transparent buffered barrier layer, disposed on the buffer layer, configured to provide a spacing between adjacent nanostructures in the population of buffered barrier layer coated nanostructures to reduce aggregation of the adjacent nanostructures;
• and
• an optical element disposed on the film layer.

A light emitting diode (LED) device comprising:

• a light source unit;
• a film layer, comprising a population of buffered barrier layer nanostructures, disposed on the light source unit, wherein the population of buffered barrier layer nanostructures comprises:
• a nanostructure,
• an optically transparent buffer layer disposed on the nanostructure, and
• an optically transparent buffered barrier layer, disposed on the buffer layer, configured to provide a spacing between adjacent nanostructures in the population of buffered barrier layer coated nanostructures to reduce aggregation of the adjacent nanostructures;
• and
• an optical element disposed on the film layer.

A method of making a population of buffered barrier layer coated nanostructures, the method comprising:

• forming a solution of reverse micro-micelles using surfactants;
• incorporating nanostructures into the reverse micro-micelles;
• incorporating a buffer agent into the reverse micro-micelles;
• individually coating the nanostructures with a buffered barrier layer to form the buffered barrier layer coated nanostructures;
• and
• performing an acid etch treatment of the buffered barrier layer coated nanostructures.