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Metal-organic frameworks (MOFs), a new class of porous and crystalline materials, which have drawn increasing attention in diverse areas. The development of highly active MOFs-based photocatalysts have become a research hotspot owing to the tunable semiconducting properties and highly porous nanostructure. The unique roles of photocatalysis by MOFs can be conventionally optimized towards addressing the environment and energy issues. In this paper, NH₂-MIL-125(Ti)/BiOCl composite was studied as a novel visible-light responsive photocatalyst for the removal of organic contaminants. The composite displays significantly enhanced photocatalytic activity for contaminant degradation as compared with BiOCl and NH₂-MIL-125(Ti), and the optimal NH₂-MIL-125(Ti) content is 10 wt%. The remarkable enhancement of the photocatalytic performance can be ascribed to the absorption of visible-light as well …