Dr. Neil Canter, Contributing Editor | TLT Tech Beat July 2022
These emulsifiers function by assembling as solid particles at the oil-water interface.
• 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.