FACILE INTEGRATION OF BROWN TIO2−X WITH BI4V2O11 AND BIVO4: DOUBLE S-SCHEME MECHANISM FOR EXCEPTIONAL VISIBLE-LIGHT PHOTOCATALYTIC PERFORMANCE IN DEGRADATION OF POLLUTANTS СтатьяSaadati A., Habibi-Yangjeh A., Rahim Pouran S., Yekan Motlagh P., Khataee A.Advanced Powder Technology. Том 34. 2023.