Enhanced tetracycline photocatalytic degradation of FeOx/Fe-Bi2O2CO3 synthesized by one-step hydrothermal method
Source abstract
Abstract
As an effective method to reduce the antibiotic contamination in water, photocatalysis has been widely investigated. Here, we report a preparation and tetracycline photodegradation of FeO x/Fe-Bi 2O 2CO 3 system. The system consists of FeO x nanoparticles deposited on Fe-doped Bi 2O 2CO 3. We used a simple one-step hydrothermal technique to successfully dope Fe into the Bi 2O 2CO 3 lattice and simultaneously deposit FeOx. Based on experiments and calculations, it is found that incorporation of Fe in Bi 2O 2CO 3 lattice results in a preferential growth of {001} facets, which are the active facets for photocatalytic reactions, and an increased light absorption in visible region. Additionally, FeO x nanoparticles increase light absorption and carriers’ generation via an interfacial charge transfer. Moreover, FeO x acts as cocatalyst to trap photogenerated electrons and holes, reducing the carriers’ recombination. A combination of positive effects from both Fe doping and FeO x deposition increase tetracycline photodegradation performance by two to three times compared to the pristine Bi 2O 2CO 3. Thus, this work provides an easy-to-prepare and enhanced Bi 2O 2CO 3 – based photocatalysts, which could benefit the future development of other materials in the field.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · Iron oxide chemistry and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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