Utilization of surface plasmon resonance of Au/Pt nanoparticles for highly photosensitive ZnO nanorods network based plasmon field effect transistor

Ashish Kumar, Tejendra Dixit, I. A. Palani, Daisuke Nakamura, M. Higashihata, Vipul Singh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Hydrothermally processed highly photosensitive ZnO nanorods based plasmon field effect transistors (PFETs) have been demonstrated utilizing the surface plasmon resonance coupling of Au and Pt nanoparticles at Au/Pt and ZnO interface. A significantly enhanced photocurrent was observed due to the plasmonic effect of the metal nanoparticles (NPs). The Pt coated PFETs showed Ion/Ioff ratio more than 3 × 104 under the dark condition, with field-effect mobility of 26 cm2 V−1 s−1 and threshold voltage of −2.7 V. Moreover, under the illumination of UV light (λ = 350 nm) the PFET revealed photocurrent gain of 105 under off-state (−5 V) of operation. Additionally, the electrical performance of PFETs was investigated in detail on the basis of charge transfer at metal/ZnO interface. The ZnO nanorods growth temperature was preserved at 110 °C which allowed a low temperature, economical and simple method to develop highly photosensitive ZnO nanorods network based PFETs for large scale production.

Original languageEnglish
Pages (from-to)97-104
Number of pages8
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume93
DOIs
Publication statusPublished - Sep 1 2017

Fingerprint

Surface plasmon resonance
Field effect transistors
Nanorods
surface plasmon resonance
nanorods
field effect transistors
Nanoparticles
nanoparticles
Photocurrents
photocurrents
Metal nanoparticles
Growth temperature
Threshold voltage
Ultraviolet radiation
threshold voltage
metals
Charge transfer
Lighting
Metals
illumination

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Utilization of surface plasmon resonance of Au/Pt nanoparticles for highly photosensitive ZnO nanorods network based plasmon field effect transistor. / Kumar, Ashish; Dixit, Tejendra; Palani, I. A.; Nakamura, Daisuke; Higashihata, M.; Singh, Vipul.

In: Physica E: Low-Dimensional Systems and Nanostructures, Vol. 93, 01.09.2017, p. 97-104.

Research output: Contribution to journalArticle

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AU - Higashihata, M.

AU - Singh, Vipul

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AB - Hydrothermally processed highly photosensitive ZnO nanorods based plasmon field effect transistors (PFETs) have been demonstrated utilizing the surface plasmon resonance coupling of Au and Pt nanoparticles at Au/Pt and ZnO interface. A significantly enhanced photocurrent was observed due to the plasmonic effect of the metal nanoparticles (NPs). The Pt coated PFETs showed Ion/Ioff ratio more than 3 × 104 under the dark condition, with field-effect mobility of 26 cm2 V−1 s−1 and threshold voltage of −2.7 V. Moreover, under the illumination of UV light (λ = 350 nm) the PFET revealed photocurrent gain of 105 under off-state (−5 V) of operation. Additionally, the electrical performance of PFETs was investigated in detail on the basis of charge transfer at metal/ZnO interface. The ZnO nanorods growth temperature was preserved at 110 °C which allowed a low temperature, economical and simple method to develop highly photosensitive ZnO nanorods network based PFETs for large scale production.

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