| Paper Abstract and Keywords |
| Presentation |
2023-01-27 14:35
Study of dispersed inorganic EL devices using ZnS:Cu nanophosphors
-- Improvement of PL and EL characteristics by liquid-phase mixing ZnS:Cu and CuS particles --
Rei Matsukuma, Ryousuke Nagai, Koutoku Ohmi (Tottori Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
For the dispersed inorganic electroluminescence (EL) devices using ZnS:Cu phosphor, improvements of luminance and luminous efficiency are required. In this study, we have attempted both high-concentration activation of Cu+ and high-density formation of CuxS which acts as a carrier source. The ZnS:Cu nanoparticles and CuS particles were stirred in a solution, and CuS was adhered around ZnS:Cu nanoparticles. In the photoluminescence (PL) measurement, the direct excitation band due to Cu+ increased compared to the unadhered one. However, the conduction charge of the EL device was not changed. These results indicate that only Cu+ activation was enhanced by the CuS adhesion. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
dispersive type EL / nanophosphor / ZnS:Cu / liquid phase reaction / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 47, no. 1, IDY2023-10, pp. 37-40, Jan. 2023. |
| Paper # |
IDY2023-10 |
| Date of Issue |
2023-01-19 (IDY) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IDY IEIJ-SSL IEICE-EID SID-JC IEE-EDD |
| Conference Date |
2023-01-26 - 2023-01-27 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
IDY |
| Conference Code |
2023-01-IDY-SSL-EID-JC-EDD |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Study of dispersed inorganic EL devices using ZnS:Cu nanophosphors |
| Sub Title (in English) |
Improvement of PL and EL characteristics by liquid-phase mixing ZnS:Cu and CuS particles |
| Keyword(1) |
dispersive type EL |
| Keyword(2) |
nanophosphor |
| Keyword(3) |
ZnS:Cu |
| Keyword(4) |
liquid phase reaction |
| Keyword(5) |
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| 1st Author's Name |
Rei Matsukuma |
| 1st Author's Affiliation |
Tottori University (Tottori Univ.) |
| 2nd Author's Name |
Ryousuke Nagai |
| 2nd Author's Affiliation |
Tottori University (Tottori Univ.) |
| 3rd Author's Name |
Koutoku Ohmi |
| 3rd Author's Affiliation |
Tottori University (Tottori Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2023-01-27 14:35:00 |
| Presentation Time |
10 minutes |
| Registration for |
IDY |
| Paper # |
IDY2023-10 |
| Volume (vol) |
vol.47 |
| Number (no) |
no.1 |
| Page |
pp.37-40 |
| #Pages |
4 |
| Date of Issue |
2023-01-19 (IDY) |