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Related Experiment Video

Updated: Jul 7, 2026

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting
05:51

Large Area Substrate-Based Nanofabrication of Controllable and Customizable Gold Nanoparticles Via Capped Dewetting

Published on: February 26, 2019

Large-Area Atomically Flat Monocrystalline Gold Flakes: Recent Advances, Applications, and Future Potential.

Amro O Sweedan1,2, Kefan Zhang2, Muhammad Y Bashouti1,2

  • 1The Ilse-Katz Institute for Nanoscale Science & Technology, Ben-Gurion University of the Negev, Beersheba, Israel.

Small (Weinheim an Der Bergstrasse, Germany)
|July 6, 2026
PubMed
Summary

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High aspect ratio oblate polygonal gold crystals, or gold flakes, offer unique properties for advanced applications. Research reviews their synthesis, properties, and use in photonics, sensing, and biomedicine.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Physical Chemistry

Background:

  • High aspect ratio oblate polygonal gold crystals, known as gold flakes, possess unique physical, chemical, and mechanical properties.
  • These flakes feature atomically flat surfaces, large areas (µm²), nanometric thickness, and monocrystalline structure.
  • Since their initial discovery, significant advancements have been made in their synthesis and large-scale production.

Purpose of the Study:

  • To review the synthesis, properties, and applications of large-area gold flakes.
  • To highlight key developments from early discoveries to recent breakthroughs.
  • To discuss the integration of gold flakes in various technological fields.

Main Methods:

  • Comprehensive literature review of gold flake research.
Keywords:
2D crystalline goldgold flakesgold plateletsgold structuringmonocrystalline goldnano opticsnano photonicsnanotechnologyplasmonicssensing

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  • Analysis of synthesis approaches and fabrication techniques.
  • Exploration of applications in photonics, sensing, nanoelectronics, and biomedicine.

    • Main Results:

    • Gold flakes exhibit exceptional properties due to their unique morphology.
    • Advances in synthesis enable large-scale production and diverse applications.
    • Gold flakes are successfully integrated as functional building blocks in advanced technologies.

    Conclusions:

    • Gold flakes are versatile materials with significant potential.
    • Ongoing research addresses challenges and explores new applications.
    • Future developments promise further innovation in nanotechnology and materials science.