Article

Journal of Chemical Sciences

, Volume 115, Issue 5, pp 459-463

Gallium nitride nanoparticles for solar-blind detectors

  • Dinesh KabraAffiliated withChemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
  • , Kripasindhu SardarAffiliated withChemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific ResearchSolid State and Structural Chemistry Unit, Indian Institute of Science
  • , K. S. NarayanAffiliated withChemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research Email author 

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Abstract

We investigate the properties of GaN semiconducting nanoparticles as a potential candidate for photodetection in the solar-blind region. The photocurrent spectral response is studied spanning the range 1.6-5.5 eV. A significant fraction of the response is in the range 4–5.5 eV. The results are compared to other optical properties and the origins of the features observed in the spectra are speculated upon.

Keywords

GaN nanoparticles photodetector photocurrent