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Multiscale Process Safety Research Lab

Qingsheng Wang Group

Texas A&M University College of Engineering

Stabilizing emulsions with graphene quantum dots

Posted on July 23, 2022 by Qingsheng Wang

Dr. Neil Canter, Contributing Editor | TLT Tech Beat July 2022

These emulsifiers function by assembling as solid particles at the oil-water interface.

KEY CONCEPTS
• Conventional emulsions are not sufficiently stabilized with surfactants over the long term.
• Thin and nanometer-wide planar carbon structures, known as graphene quantum dots, have been developed that demonstrate superior emulsion stability to surfactants in deionized water and in the presence of high levels of electrolytes.
• The zwitterionic nature of the graphene quantum dots allows the emulsifier to stabilize emulsions over a wide pH range from 3 to 12.

See Full Story: Magazine of Society of Tribologists and Lubrication Engineers – STLE

Filed Under: news

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