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Related Experiment Video

Updated: Jul 8, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

High-efficiency transparent air-processed perovskite LEDs enabled by size-dependent plasmonic enhancement.

Hailong Wang1, Wenjie Bu1,2, Qilin Zheng1

  • 1Institute of Physics, Henan Academy of Sciences, Zhengzhou, China. wanghailong@hnas.ac.cn.

Chemical Communications (Cambridge, England)
|July 7, 2026
PubMed
Summary

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Localized surface plasmon resonance from buried gold nanoparticles enhances light emission in transparent polymer light-emitting diodes (PeLEDs). Optimized PeLEDs demonstrate a record external quantum efficiency (EQE) of 20.25%.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Localized surface plasmon resonance (LSPR) in nanoparticles can enhance light emission.
  • Interface engineering is crucial for optimizing optoelectronic device performance.

Purpose of the Study:

  • To investigate the effect of buried gold nanoparticles (Au NPs) on the performance of transparent polymer light-emitting diodes (PeLEDs).
  • To optimize Au NP size and placement for enhanced radiative recombination and external quantum efficiency (EQE).

Main Methods:

  • Fabrication of transparent PeLEDs with buried Au NPs at the NiOx interface.
  • Tuning the size of Au NPs to control LSPR effects.
  • Characterization of optical and electrical properties, including EQE measurements.

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Last Updated: Jul 8, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
09:32

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping

Published on: July 2, 2012

Main Results:

  • Buried Au NPs induce size-dependent LSPR.
  • Optimized 80 nm Au NPs provide strong near-field enhancement.
  • Enhanced radiative recombination was observed without shifting the 535 nm emission peak.
  • Air-processed transparent PeLEDs achieved a record total EQE of 20.25%.

Conclusions:

  • Buried Au NPs are effective in enhancing the performance of transparent PeLEDs.
  • Size-optimized Au NPs can significantly boost EQE by enhancing radiative recombination.
  • The developed PeLEDs represent a significant advancement in high-efficiency, transparent display technology.