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Related Experiment Video

Updated: Jun 21, 2026

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices
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Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

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Engineering light absorption in semiconductor nanowire devices.

Linyou Cao1, Justin S White, Joon-Shik Park

  • 1Geballe Laboratory of Advanced Materials, Stanford University, California 94305, USA.

Nature Materials
|July 7, 2009
PubMed
Summary
This summary is machine-generated.

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Leaky-mode resonances in semiconductor nanostructures enhance light absorption for optoelectronic devices. This breakthrough enables high-performance nanowire solar cells, photodetectors, and light sources.

Area of Science:

  • Optoelectronics
  • Nanotechnology
  • Materials Science

Background:

  • Quantum and photon confinement revolutionized semiconductor devices.
  • Designing structures at the nanometer scale is crucial for harnessing these effects.
  • Intermediate device sizes often show insignificant resonant enhancement.

Purpose of the Study:

  • To demonstrate leaky-mode resonances for enhancing light absorption in subwavelength semiconductor nanostructures.
  • To spectrally engineer light absorption in the intermediate size regime.
  • To explore applications in nanowire-based optoelectronic devices.

Main Methods:

  • Utilizing leaky-mode resonances in subwavelength, high-refractive-index semiconductor nanostructures.
  • Investigating individual germanium nanowire photodetectors.

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Published on: December 11, 2013

Related Experiment Videos

Last Updated: Jun 21, 2026

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices
09:14

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

Published on: December 7, 2017

Analysis of Contact Interfaces for Single GaN Nanowire Devices
11:13

Analysis of Contact Interfaces for Single GaN Nanowire Devices

Published on: November 15, 2013

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
09:00

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

  • Analyzing light absorption enhancement and spectral engineering.

    • Main Results:

    • Leaky-mode resonances effectively enhance and spectrally engineer light absorption.
    • Demonstrated functionality in germanium nanowire photodetectors.
    • Showcased the potential for intermediate-sized devices.

    Conclusions:

    • Leaky-mode resonances are ideal for enhancing light absorption in intermediate-sized semiconductor nanostructures.
    • Nanostructure synthesis control opens opportunities for high-performance optoelectronic devices.
    • Applications include solar cells, photodetectors, optical modulators, and light sources.