Novel composite BiFeO3/ZrO2 and its high photocatalytic performance under white LED visible-light irradiation
Source abstract
Abstract
Abstract A novel composite BiFeO3 (BFO)/ZrO2 was successfully fabricated via a sol-gel method, characterized by XRD, SEM, XPS and UV–vis DRS techniques and used as a visible-light photocatalyst . The photocatalytic performance was investigated by the degradation of the refractory dye Rhodamine B (RhB) in water under the designed white LED visible-light irradiation. The results showed that BFO nanoparticles were firmly dispersed onto cube-like ZrO 2. The photocatalyst prepared at the mass ratio of 0.3:1 of BFO to ZrO2, 30-BFO/ZrO2, displayed the highest photocatalytic activity. The high aqueous RhB degradation and mineralization were achieved under appropriate conditions. The degradation followed well the first-order kinetics, and the increased visible-light intensity, decreased initial RhB concentration and optimal initial solution pH favoured the enhanced photocatalytic performance. Quenching tests confirmed predominant reactive species, •OH and h+. The leaching of metals was undetected, meaning the chemical and light-resistant stability of photocatalyst. The photocatalyst also displayed good reusability.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Ga2O3 and related materials · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (72)
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