Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces

Hou, Jiechang; Zhu, Hai; Reed, Jason C.; Yi, Fei; Cubukcu, Ertugrul; Bonnell, Dawn A.

doi:10.1063/1.4975060

Title: Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces

Abstract

In this paper, nanoantenna resonance is demonstrated on nano-sized gold/SrTiO₃ interfaces. This resonance arising from the collective oscillation of free electrons results in photocurrent current enhancement, facilitated by the built-in electric field at the Schottky interface. This current enhancement around the nanoantenna resonance peak can be attributed to hot electron generation and extraction. The photocurrent dependence on incident wavelength and power was characterized. Finally, applying external bias, improved the current enhancement by orders of magnitude.

Authors:

Hou, Jiechang ^[1];

^[1]; Reed, Jason C. ^[1]; Yi, Fei ^[2]; Cubukcu, Ertugrul ^[3]; Bonnell, Dawn A. ^[1]

Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Materials Science and Engineering
Huazhong Univ. of Science and Technology, Wuhan (China). School of Optics and Electronic Information
Univ. of California, San Diego, CA (United States). Dept. of NanoEngineering

Publication Date:: Wed Jan 25 00:00:00 EST 2017

Research Org.:: Univ. of Pennsylvania, Philadelphia, PA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

OSTI Identifier:: 1465962

Alternate Identifier(s):: OSTI ID: 1361761

Grant/Contract Number:: FG02-00ER45813; DMR08-32802; DMR11-20901

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 110; Journal Issue: 4; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 74 ATOMIC AND MOLECULAR PHYSICS; antennas; gold; photoelectric conversion; carrier generation; hot carriers; plasmons; Schottky barriers; blue shift; electron beam deposition

Citation Formats


                    Hou, Jiechang, Zhu, Hai, Reed, Jason C., Yi, Fei, Cubukcu, Ertugrul, and Bonnell, Dawn A. Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces.  United States: N. p., 2017. 
Web.  doi:10.1063/1.4975060.

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                    Hou, Jiechang, Zhu, Hai, Reed, Jason C., Yi, Fei, Cubukcu, Ertugrul, & Bonnell, Dawn A. Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces.  United States.  https://doi.org/10.1063/1.4975060

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                    Hou, Jiechang, Zhu, Hai, Reed, Jason C., Yi, Fei, Cubukcu, Ertugrul, and Bonnell, Dawn A. Wed .  
"Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces".  United States.  https://doi.org/10.1063/1.4975060.  https://www.osti.gov/servlets/purl/1465962.

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@article{osti_1465962,

  title        = {Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces},

  author       = {Hou, Jiechang and Zhu, Hai and Reed, Jason C. and Yi, Fei and Cubukcu, Ertugrul and Bonnell, Dawn A.},

  abstractNote = {In this paper, nanoantenna resonance is demonstrated on nano-sized gold/SrTiO3 interfaces. This resonance arising from the collective oscillation of free electrons results in photocurrent current enhancement, facilitated by the built-in electric field at the Schottky interface. This current enhancement around the nanoantenna resonance peak can be attributed to hot electron generation and extraction. The photocurrent dependence on incident wavelength and power was characterized. Finally, applying external bias, improved the current enhancement by orders of magnitude.},

  doi          = {10.1063/1.4975060},

  journal      = {Applied Physics Letters},

  number       = 4,

  volume       = 110,

  place        = {United States},

  year         = {Wed Jan 25 00:00:00 EST 2017},

  month        = {Wed Jan 25 00:00:00 EST 2017}

}

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Title: Nanoantenna-induced current enhancement of nano-sized metal/oxide interfaces

Abstract

Citation Formats

How to deal with the loss in plasmonics and metamaterials journal, January 2015

Plasmon-induced hot carrier science and technology journal, January 2015

Plasmon Inducing Effects for Enhanced Photoelectrochemical Water Splitting: X-ray Absorption Approach to Electronic Structures journal, July 2012

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The properties of Schottky junctions on Nb-doped SrTiO3 (001) journal, June 1997

Tip loading effects on AFM-based transport measurements of metal–oxide interfaces journal, September 2013

Electrical properties of Au/Nb‐doped‐SrTiO 3 contact journal, February 1991

Plasmonics for improved photovoltaic devices journal, February 2010

Nanofilamentary resistive switching in binary oxide system; a review on the present status and outlook journal, May 2011

Photocatalysis on TiO2 Surfaces: Principles, Mechanisms, and Selected Results journal, May 1995

Designing Au Surface-Modified Nanoporous-Single-Crystalline SrTiO 3 to Optimize Diffusion of Surface Plasmon Resonance-Induce Photoelectron toward Enhanced Visible-Light Photoactivity journal, March 2016

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Plasmon Inducing Effects for Enhanced Photoelectrochemical Water Splitting: X-ray Absorption Approach to Electronic Structures
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The properties of Schottky junctions on Nb-doped SrTiO3 (001)
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Electrical properties of Au/Nb‐doped‐SrTiO ₃ contact
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journal, March 2014

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