Monolayer Cal Logo (image) University of California - Berkeley Share Print E-Mail Caption Shown is a MoS2 monolayer semiconductor shaped into a Cal logo. The image on the left shows the material before it was treated with superacid. On the right is the monolayer after treatment. The researchers were able to achieve two orders of magnitude improvement in emitted light with the superacid treatment. Credit Image by Matin Amani Usage Restrictions All rights reserved. Editorial use only with credit. Share Print E-Mail 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.