Preparing Photocatalysts for Testing (IMAGE) Worcester Polytechnic Institute Caption Binod Giri, a PhD student in mechanical engineering at Worcester Polytechnic Institute (WPI), adjusts an apparatus in the NanoEnergy Lab that uses flame-assisted sublimation to deposit thin films of photocatalysts onto an electrically conductive supporting material. Credit Worcester Polytechnic Institute (WPI) Usage Restrictions None 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.