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Recent research trends on transparent glass-ceramics as a white luminescent materials

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2024, 34(5), pp.163~172
  • DOI : 10.6111/JKCGCT.2024.34.5.163
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : August 22, 2024
  • Accepted : September 4, 2024
  • Published : October 31, 2024

KANG SEUNG GU 1

1경기대학교

Accredited

ABSTRACT

White light-emitting diodes (W-LEDs) are widely used in displays and lighting due to their advantages of compact size, high efficiency, and long lifespan compared to traditional light sources. Glass-ceramics produced by inducing crystallization in amorphous glass through heating, finds applications in various high-performance fields. Its properties can be tailored through the addition of nucleating agents or phase separation phenomena. By forming nanometer-sized crystals, glass-ceramics can retain its characteristics while maintaining transparency in the visible range, making it suitable for a range of applications including optical switches, optical converters, lasers, medical devices, and sensors. Additionally, glass- ceramics containing rare earth elements, transition metals, quantum dots, and nanocrystals can convert blue or ultraviolet light into visible light, thereby enhancing the performance of W-LEDs. This paper explores the optical properties of glass- ceramics derived from oxide and fluoride glasses, its potential applications in W-LEDs, and recent research trends.

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