4.8 Article

High responsivity, fast ultraviolet photodetector fabricated from ZnO nanoparticle-graphene core-shell structures

Journal

NANOSCALE
Volume 5, Issue 9, Pages 3664-3667

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00369h

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Funding

  1. National Security Technologies through NSF Industry/University Cooperative Research Center Connection One
  2. National Science Foundation Smart Lighting Engineering Research Center [EEC-0812056]
  3. NSF career award [DMR 1151028]
  4. Division Of Materials Research
  5. Direct For Mathematical & Physical Scien [1151028] Funding Source: National Science Foundation

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We report a simple, efficient and versatile method for assembling metal oxide nanomaterial-graphene core-shell structures. An ultraviolet photodetector fabricated from the ZnO nanoparticle-graphene core-shell structures showed high responsivity and fast transient response, which are attributed to the improved carrier transport efficiency arising from graphene encapsulation.

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