Determination of carbon nanotube concentration in a solution by fluorescence measurement
AssigneeIntel Corporation
InventorsYuegang Zhang, Shida Tan, Herman Lopez
Life of this patent
Estimating the term…
Abstract
According to some embodiments, a method, a system, and an apparatus to determine a concentration of carbon nanotubes in a solution. In some embodiments, the method includes determining a photoluminescence intensity of a solution, mixing a sample of carbon nanotubes of an unknown concentration with the solution, determining a photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution, and determining a concentration of carbon nanotubes in the sample of carbon nanotubes based on the determined photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution
Claims30
A method comprising:
- determining a photoluminescence intensity of a solution;
- mixing a sample of carbon nanotubes of an unknown concentration with the solution;
- determining a photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution;
- and
- determining a concentration of carbon nanotubes in the sample of carbon nanotubes based on the determined photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution.
An apparatus to determine a concentration of carbon nanotubes, the apparatus comprising:
- a carbon nanotube manipulation device to obtain a sample of carbon nanotubes of an unknown concentration;
- an excitation source to induce photoluminescence in a solution and to induce photoluminescence in a mixture of the sample of carbon nanotubes and the solution;
- and
- a photoluminescence detector to detect a photoluminescence intensity level induced in the solution and to detect a photoluminescence intensity level induced in the mixture, wherein the detected photoluminescence intensity levels induced in the solution and the mixture are used to determine a concentration of carbon nanotubes in the sample of carbon nanotubes.
An article, comprising:
- a storage medium having stored thereon instructions that when executed by a machine result in the following:
- determining a photoluminescence intensity of a solution;
- mixing a sample of carbon nanotubes of an unknown concentration with the solution;
- determining a photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution;
- and
- determining a concentration of carbon nanotubes in the sample of carbon nanotubes based on the determined photoluminescence intensity of the mixture of the sample of carbon nanotubes and the solution.
An apparatus to determine a concentration of carbon nanotubes, the apparatus comprising:
- a carbon nanotube manipulation device to obtain a sample of carbon nanotubes of an unknown concentration;
- an excitation source to induce photoluminescence in a solution and to induce photoluminescence in a mixture of the sample of carbon nanotubes and the solution;
- a photoluminescence detector to detect a photoluminescence intensity level of the photoluminescence induced in the solution and to detect a photoluminescence intensity level induced in the mixture, wherein the detected photoluminescence intensity levels induced in the solution and the mixture are used to determine a concentration of carbon nanotubes in the sample of carbon nanotubes;
- a processor in communication with the carbon nanotube manipulation device;
- and
- a memory in communication with the processor, wherein the memory is a Double Data Rate Random Access Memory.
Dependencies are inferred from the claim text.