Pure Organic Room Temperature Phosphorescence (video) Cell Press Share Print E-Mail Loading video... Caption Pure organic room temperature phosphorescence molecules are in both excited and unexcited states. Credit Weijun Zhao/HKUST Usage Restrictions Credit Required. 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.