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Keywords:

  • pyrolysis;
  • nanostructures;
  • shape control;
  • molten salt;
  • photocatalysis
Thumbnail image of graphical abstract

NaInS2, a H2-evolving photocatalyst, is synthesized as single-crystalline hexagonal plates by coupling a molten salt synthesis with ultrasonic spray pyrolysis (USP) for the first time. USP NaInS2 films are used as a new photoanode material and have an initial photocurrent of ≈37 μA/cm2 upon illumination and activities 25 times greater than films made from a standard non-aerosol NaInS2 sample.