Voltage Driving Yellow Electroluminescence from β-CaSiO3:Mn2+in Silicon Photonics

Mohammad M. Afandi, Sanghun Byeon, Dion Hayu Fandiantoro, Jongsu Kim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Silicate-based optical functional materials have garnered significant attention owing to their exceptional luminescence properties, chemical and thermal stability, and cost-effectiveness. Herein, a yellow-emitting electroluminescent device based on an alkaline metasilicate has been introduced. The device follows the metal-oxide-semiconductor structure, comprising multi-dielectric layers sandwiching the Mn2+-doped β-CaSiO3 optical functional layer in a silicon substrate. Under voltage driving, the device emits a yellow spectrum on a large scale with an emission center at 555 nm, which is optically attributed to the d-d transitions of Mn2+ ions occupied in the host lattice. Importantly, the multi-dielectric layer in this structure plays a crucial role in preventing the leakage current and simultaneously improving efficiency. Accordingly, this approach holds promise for the future development of advanced large-scale emitting devices in silicon photonics.

Original languageEnglish
Pages (from-to)72-75
Number of pages4
JournalIEEE Electron Device Letters
Issue number1
Publication statusPublished - 1 Jan 2024


  • electroluminescence (EL)
  • manganese ions
  • silicon-photonic.
  • β-CaSiO


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