Abstract
YBO3:Ce3+ blue-emitting phosphors were prepared from boric acid and nitrates of yttrium and cerium(III) by hydrothermal method. An excess amount of boric acid, prolonged aging, high temperature, and a high pH value promote the formation of crystalline YBO3. The higher crystallinity results in the higher photoluminescence (PL) intensity corresponding to the 5d-4f transition of Ce3+ under the irradiation of near-UV light. The PL intensity also depends on the pH value of precursor suspension and the nominal Ce3+ concentration, where the sample prepared at pH = 8 and Ce/(Y + Ce) = 0.25-0.5 at% shows the maximum PL intensity. In addition, the hydrothermally prepared sample shows the characteristic photobleaching behavior under the continuous irradiation of near-UV light. These results suggest that the crystallinity of the host YBO 3 crystal and the homogeneity of substituted Ce3+ ions play significant roles in the PL properties.
| Original language | English |
|---|---|
| Pages (from-to) | 1820-1824 |
| Number of pages | 5 |
| Journal | Optical Materials |
| Volume | 33 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2011 Sep |
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Keywords
- Hydrothermal synthesis
- Photobleaching behavior
- Photoluminescence
- YBO:Ce
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
- Atomic and Molecular Physics, and Optics
- Computer Science(all)
Cite this
Factors for determining photoluminescence properties of YBO 3 : Ce3+ phosphor prepared by hydrothermal method. / Ogata, Hiroko; Takeshita, Satoru; Isobe, Tetsuhiko; Sawayama, Tomohiro; Niikura, Seiji.
In: Optical Materials, Vol. 33, No. 11, 09.2011, p. 1820-1824.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Factors for determining photoluminescence properties of YBO 3
T2 - Ce3+ phosphor prepared by hydrothermal method
AU - Ogata, Hiroko
AU - Takeshita, Satoru
AU - Isobe, Tetsuhiko
AU - Sawayama, Tomohiro
AU - Niikura, Seiji
PY - 2011/9
Y1 - 2011/9
N2 - YBO3:Ce3+ blue-emitting phosphors were prepared from boric acid and nitrates of yttrium and cerium(III) by hydrothermal method. An excess amount of boric acid, prolonged aging, high temperature, and a high pH value promote the formation of crystalline YBO3. The higher crystallinity results in the higher photoluminescence (PL) intensity corresponding to the 5d-4f transition of Ce3+ under the irradiation of near-UV light. The PL intensity also depends on the pH value of precursor suspension and the nominal Ce3+ concentration, where the sample prepared at pH = 8 and Ce/(Y + Ce) = 0.25-0.5 at% shows the maximum PL intensity. In addition, the hydrothermally prepared sample shows the characteristic photobleaching behavior under the continuous irradiation of near-UV light. These results suggest that the crystallinity of the host YBO 3 crystal and the homogeneity of substituted Ce3+ ions play significant roles in the PL properties.
AB - YBO3:Ce3+ blue-emitting phosphors were prepared from boric acid and nitrates of yttrium and cerium(III) by hydrothermal method. An excess amount of boric acid, prolonged aging, high temperature, and a high pH value promote the formation of crystalline YBO3. The higher crystallinity results in the higher photoluminescence (PL) intensity corresponding to the 5d-4f transition of Ce3+ under the irradiation of near-UV light. The PL intensity also depends on the pH value of precursor suspension and the nominal Ce3+ concentration, where the sample prepared at pH = 8 and Ce/(Y + Ce) = 0.25-0.5 at% shows the maximum PL intensity. In addition, the hydrothermally prepared sample shows the characteristic photobleaching behavior under the continuous irradiation of near-UV light. These results suggest that the crystallinity of the host YBO 3 crystal and the homogeneity of substituted Ce3+ ions play significant roles in the PL properties.
KW - Hydrothermal synthesis
KW - Photobleaching behavior
KW - Photoluminescence
KW - YBO:Ce
UR - http://www.scopus.com/inward/record.url?scp=80052023692&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80052023692&partnerID=8YFLogxK
U2 - 10.1016/j.optmat.2011.07.003
DO - 10.1016/j.optmat.2011.07.003
M3 - Article
AN - SCOPUS:80052023692
VL - 33
SP - 1820
EP - 1824
JO - Optical Materials
JF - Optical Materials
SN - 0925-3467
IS - 11
ER -