Scanning Photocurrent Imaging Microscopy Provided Direct Measurements of Perovskite Properties (image) Case Western Reserve University Share Print E-Mail Caption This is a schematic of scanning photocurrent imaging microscopy of halide perovskite film (side view). Using the technique, researchers found the diffusion length within a well-oriented perovskite film measured up to 20 micrometers. Credit Courtesy of Nano Letters Usage Restrictions Please give proper 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.