Figure 1 (IMAGE) Science China Press Caption (a) The comparison of photocatalytic water oxidation activity over different photocatalysts and (b) the wavelength dependent AQE of water oxidation over Bi8(CrO4)O11. (c) The comparison of degradation rate constant, degradation rate and TOC removal rate of phenol over different photocatalysts. (d) The wavelength dependent degradation rate and TOC removal rate of phenol over Bi8(CrO4)O11. (e) The correlation among dipole moments, internal electric field intensity, surface photovoltage and photocatalytic activities of Bi8(CrO4)O11 and Bi14CrO24. Credit ©Science China Press Usage Restrictions Use with credit. 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.