... gi ZnO CuO Composite Cỏc mu ch to cho mc ớch nghiờn cu phn ng quang xỳc tỏc phõn hy MB v hp ph Cr(VI) bao gm: CuO, ZnO CuO (10 1), ZnO CuO (20 1), ZnO CuO (30 1), ZnO CuO (40 1), ZnO ... trng s b cun sang ZnO Khi ú, c ch ca quỏ trỡnh dch chuyn in t gia cỏc di vt liu xy nh sau: CuO /ZnO + h CuO (e-, h+) / ZnO + CuO (e , h ) / ZnO CuO (h+) / ZnO (e-) Quỏ trỡnh hp ph Cr(VI) din ging ... tr ca ZnO sang CuO Nh vy, nhiu in t c tớch ly trờn di dn ca ZnO v tham gia vo quỏ trỡnh quang xỳc tỏc Quỏ trỡnh din nh sau [14]: CuO /ZnO + h CuO (e-, h+) / ZnO (e-, h+) CuO (e-, h+) / ZnO (e-,...