KCS Publications

HOME > Search > Browsing(BKCS) > Archives

Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 5
BKCSDE 11(5)
May 20, 1990

Title	Formation Process of a Red Phosphor, Y2O2S : Eu3+
Author	So-Young Chang, Chai-Ik Jeon, Chong-Hong Pyun, Q. Won Choi, Chang-Hong Kim
Keywords
Abstract	Yttrium oxysulfide incoporated with europium has been prepared by direct heating the mixture of Y2O3, Eu2O3, NaOH(or Na2CO3), and S. The reaction of the mixture at low temperatures and treatment at higher temperatures are studied. The formation of Y2O2S is completed at lower temperature (ca. 500℃) and incorporation of Eu3+ into Y2O2S lattice proceeds at higher temperature (above 1000℃) along with crystal growth. Small amount of the unknown phase considered to be Y2O2S2 is formed along with Y2O2S in the temperature range from 400℃ to 460℃.
Page	386 - 390
Full Text	PDF

How to access to the WOL for The Bulletin of the Korean Chemical Society ?

The Bulletin of the Korean Chemical Society will be co-published with Wiley-VCH from 2015 towards. The online version of the Journal will thus be available on Wiley Online Library, Wiley(-VCH)'s global online platform.

KCS members can get a free online access to the Bulletin of the Korean Chemical Society in WOL.

Free Access to WOL