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Related Experiment Video

Updated: Sep 1, 2025

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies
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Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

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Fluid Field Modulation in Mass Transfer for Efficient Photocatalysis.

Baoying Dai1, Yihao Zhou2, Xiao Xiao2

  • 1State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 12, 2022
PubMed
Summary

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This review explores how manipulating fluid dynamics enhances photocatalysis. It covers novel photocatalytic micro/nanomotors and artificial cilia for improved mass transfer in various applications.

Area of Science:

  • Materials Science
  • Chemical Engineering
  • Environmental Science

Background:

  • Mass transfer significantly influences photocatalytic performance.
  • Photocatalyst structure and composition are key to modulating mass transfer.
  • Recent advancements necessitate a critical review of mass transfer manipulation in photocatalysis.

Purpose of the Study:

  • To examine the fundamental principles of mass transfer's impact on photocatalytic activity.
  • To review theoretical simulation methods for fluid flow in photocatalysis.
  • To cover emerging photocatalytic micro/nanomotors and artificial cilia for enhanced mass transfer.

Main Methods:

  • Discussion of theoretical simulation calculations for fluid flow.
  • Analysis of self-thermophoresis, self-diffusiophoresis, and bubble-propulsion mechanisms in micro/nanomotors.
Keywords:
artificial ciliafluid fieldmass transfermicro/nanomotorsphotocatalysis

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  • Inclusion of magnet-actuated photocatalytic artificial cilia.

    • Main Results:

    • Mass transfer can be effectively modulated by fluid field manipulation.
    • Novel micro/nanomotors and artificial cilia show promise for facilitating mass transfer.
    • Diverse applications including hydrogen evolution and pollution degradation are enhanced.

    Conclusions:

    • Understanding and controlling mass transfer is crucial for optimizing photocatalytic processes.
    • Emerging technologies offer new avenues for efficient mass transfer.
    • This review provides guidelines for future research in photocatalysis and mass transfer.