Title

Salt-Assisted Ultrasonic Deaggregation of Nanodiamond

Presenter Information

Cholaphan Deeleepojananan

Department

Chemistry

Major

Chemistry

Research Advisor

Mochalin, Vadym

Advisor's Department

Chemistry

Funding Source

Opportunity for Undergraduate Research Experience (OURE) Program

Abstract

Salt-assisted ultrasonic deaggregation of nanodiamond (SAUD) is a new facile, inexpensive, and contaminant-free technique used for reducing the size of nanodiamond into single-digit particles stable in aqueous colloidal solution in a wide pH range. The technique utilizes the energy of ultrasound to break apart nanodiamond aggregates in sodium chloride aqueous slurry. In contrast to current deaggregation techniques, which introduce zirconia contaminants into nanodiamond, the single-digit nanodiamond colloids produced by SAUD have no toxic or difficult-to-remove impurities and are therefore well-suited to produce nanodiamonds for numerous applications, including theranostics, composites, and lubrication, etc. Requiring only aqueous slurry of sodium chloride and standard horn sonicator, and yielding highly pure well-dispersed nanodiamond colloids, the technique is an attractive alternative to current nanodiamond deaggregation protocols and can be easily implemented in any laboratory or scaled up for industrial use.

Biography

Cholaphan is a senior majoring in Chemistry. She is originally from Nakhon Pathom, Thailand. Cholaphan joined Dr. Vadym Mochalin’s research group in 2016 with an OURE funding. She published two research papers in ACS Nano and ACS Applied Materials & Interfaces journals within two years in the group. Her research is focusing mainly on nanodiamonds. Cholaphan will be graduating in May 2018 and intends to pursue a graduate degree in Inorganic Chemistry.

Research Category

Sciences

Presentation Type

Oral Presentation

Document Type

Presentation

Award

Sciences oral presentation, First place

Location

Carver Room

Presentation Date

17 Apr 2018, 1:30 pm - 2:00 pm

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Apr 17th, 1:30 PM Apr 17th, 2:00 PM

Salt-Assisted Ultrasonic Deaggregation of Nanodiamond

Carver Room

Salt-assisted ultrasonic deaggregation of nanodiamond (SAUD) is a new facile, inexpensive, and contaminant-free technique used for reducing the size of nanodiamond into single-digit particles stable in aqueous colloidal solution in a wide pH range. The technique utilizes the energy of ultrasound to break apart nanodiamond aggregates in sodium chloride aqueous slurry. In contrast to current deaggregation techniques, which introduce zirconia contaminants into nanodiamond, the single-digit nanodiamond colloids produced by SAUD have no toxic or difficult-to-remove impurities and are therefore well-suited to produce nanodiamonds for numerous applications, including theranostics, composites, and lubrication, etc. Requiring only aqueous slurry of sodium chloride and standard horn sonicator, and yielding highly pure well-dispersed nanodiamond colloids, the technique is an attractive alternative to current nanodiamond deaggregation protocols and can be easily implemented in any laboratory or scaled up for industrial use.