Localized-surface-plasmon-enhanced multifunction silicon nanomembrane Schottky diodes based on Au nanoparticles

Hyeon Jun Ha, Byung Hyun Kang, Seung Won Yeom, Junsu Park, Yun-Hi Lee, Byeong Kwon Ju

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Au nanoparticle (NP)-modified Si nanomembrane (Si NM) Schottky barrier diodes (SBDs) were fabricated by using a transfer-printing method to create pedestals using only one photomask on a flexible substrate. The transfer using the pedestals afforded a yield of >95% with no significant cracks. The plasmonic Au NPs can facilitate the improvement of the incident optical absorption. The Au NP-modified Si NM SBD exhibited enhanced photoresponse characteristics with an external quantum efficiency (hEQE) of 34%, a photosensitivity (P) of 27 at a voltage bias of -5 V, a light intensity of 1.2Wcm?2, and a responsivity (Rph ) of 0.21 AW?1. Additionally, the mechanical bending characteristics of the device were observed while a compressive strain up to 0.62% was applied to the diode. The results suggest that the Au NP-modified Si NM SBD has great potential for use in multifunction devices as a strain sensor and photosensor.

Original languageEnglish
Article number485501
JournalNanotechnology
Volume26
Issue number48
DOIs
Publication statusPublished - 2015 Nov 6

Fingerprint

Schottky barrier diodes
Silicon
Nanoparticles
Diodes
Equipment and Supplies
Photomasks
Printing
Photosensitivity
Bias voltage
Quantum efficiency
Light absorption
Cracks
Light
Sensors
Substrates

Keywords

  • Au nanoparticle
  • localized surface plasmon
  • photosensor
  • Schottky barrier diode
  • silicon nanomembrane
  • strain sensor

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Localized-surface-plasmon-enhanced multifunction silicon nanomembrane Schottky diodes based on Au nanoparticles. / Ha, Hyeon Jun; Kang, Byung Hyun; Yeom, Seung Won; Park, Junsu; Lee, Yun-Hi; Ju, Byeong Kwon.

In: Nanotechnology, Vol. 26, No. 48, 485501, 06.11.2015.

Research output: Contribution to journalArticle

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AU - Kang, Byung Hyun

AU - Yeom, Seung Won

AU - Park, Junsu

AU - Lee, Yun-Hi

AU - Ju, Byeong Kwon

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