Fig.2 Photocatalytic Overall Pure-Water Splitting (IMAGE) Osaka University Caption Photocatalytic overall pure-water splitting using the 2-D heterostructures of BP/BiVO4 without any sacrificial agents under visible light irradiation. 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.