Graphene Reinforcement in High Res (image) University of Arizona College of Engineering Caption High resolution SEM image after colloidal processing indicating partially exfoliated GPL mixed with well-dispersed Si3N4 particles. The images clearly indicate GPL decorated with Si3N4 particles; the Si3Nk4 particles are well-dispersed throughout the surface area of the sheets. Credit ACS Publications/UA Engineering Usage Restrictions Usage granted only with attribution to ACS Publications/UA Engineering Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.