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Keywords:

  • metallic nanoparticles;
  • antireflection coatings;
  • sintering;
  • metallic nanowire networks;
  • photovoltaics

Abstract

This work presents an inexpensive and easily manufacturable, highly conductive and transparent nanowire network electrode for textured semiconductors. It is based on lines of silver nanoparticles transformed into a nanowire network by microwave or furnace sintering. The nanonetwork electrode on crystalline silicon is demonstrated experimentally, with the nanoparticles self-assembling in the valleys between the pyramids of the textured surface. Optical experiments show that this conductive nanowire network electrode can be essentially ‘invisible’ when covered with the conventional anti-reflection coating (ARC), and thus could be employed in photovoltaic applications.