Photocatalytic Efficiency of Metallo Phthalocyanine Sensitized TiO2 (MPc/TiO2) Nanocomposites for Cr(VI) and Antibiotic Amoxicillin

Dye sensitization on semiconductor catalyst TiO2 was performed with four different metallophthalocyanine (MPc) derivates (M: Zn, Cu, Co, and Si) using a modified sol-gel method. MPc derivatives were loaded at 1% mass ratio aiming to increase its photocatalytic action shift the light absorption higher UV region (365 nm). Non-ionic surfactant Triton X-100 (TX-100) used obtain homogenous mesa pore structure. The prepared catalysts characterized by FT-IR, XRD, SEM determine crystal surface structural properties of nanocomposites. nanocomposites for removal degradation Cr(VI) amoxicillin (AMX) as model pollutants. Photocatalytic reduction capacities tested (10 mg/L) AMX (20 aqueous solutions. ZnPc-TiO2 successful photoreduction since all ions in solution successfully removed. Presence TX-100 synthesis had positive effect increasing rate 97.93% after 150 min exposure period. Prepared also photodegradation AMX, applying similar procedures. In general, exhibited low rates under studied condition but more effective 254 nm (50.38%). Neither modification nor provided significant AMX.