Nastaran Meftahi (IMAGE) ARC Centre of Excellence in Exciton Science Caption Dr Nastaran Meftahi of RMIT University and the ARC Centre of Excellence in Exciton Science Credit Exciton Science Usage Restrictions Credit: Exciton Science License Licensed content 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.