Role of flux in the production process of red phosphors for white LEDs

Gwan Hyoung Lee, Chulsoo Yoon, Shinhoo Kang

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Eu3+-doped potassium tungstate phosphor was synthesized by solid-state reactions. The as-produced phosphor was re-fired with a small amount of flux-like alkali carbonates and boron oxide. It was confirmed that the re-firing process containing a flux led to the uniform particle growth with smooth surface and improved Eu3+ distribution at the surface of particles, resulting in the enhanced red emission. The X-ray diffractometer (XRD) and X-ray photoelectron spectroscopy (XPS) analyses were used to determine the role of flux in the system.

Original languageEnglish
Pages (from-to)6109-6115
Number of pages7
JournalJournal of Materials Science
Issue number18
Publication statusPublished - 2008 Sept

Bibliographical note

Funding Information:
Acknowledgement This research was partially sponsored by the Samsung Electro-Mechanics Co. and by BK21 program of the ministry of Education, Republic of Korea (2005).

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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