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Keywords:

  • ZnS/ZnO;
  • nanobelts;
  • photodetectors;
  • sensitivity;
  • response speed
Thumbnail image of graphical abstract

A novel 1D/1D semiconductor/semiconductor nanocomposite-based photodetector is fabricated by X. S. Fang and co-workers on page 2305 from highly crystalline ZnS/ZnO biaxial nanobelts. Optimized performance of the ZnS/ZnO nanobelt photodetector is better than that of pure ZnS or ZnO nanostructures, as it combines UV-A photoresponsivity, high sensitivity, and a fast response speed. This photodetector is particularly suitable for UV-A light detection, and its speed enables its potential application in highfrequency light-wave communications, photoelectronic switches, memory storage devices, and optoelectronic circuits.