Figure (IMAGE) Osaka University Caption Transmittance electron microscopic image of the composite photocatalyst with two components, black phosphorous (BP) and graphitic carbon nitride (g-C3N4). Credit Osaka University 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.