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|
| Type |
Poster Presentation |
| Area |
Material Chemistry |
| Room No. |
Exhibition Hall 2 |
| Time |
4월 19일 (금요일) 11:00~12:30 |
| Code |
MAT.P-428 |
| Subject |
Tuning the Luminescent Properties of Upconverting Nanoparticles via Multi-layer Structure |
| Authors |
Dohyun Jeon, Young Sik Lee*, Doo-Hyun Ko*
Department of Applied Chemistry, Kyung Hee University, Korea
|
| Abstract |
Upconverting Nanoparticles (UCNPs) follow the multi-photon optical process which involves the conversion of lower-energy photons into higher-energy photons. Generally, Rare-earth (RE) materials have been selected as dopant in the synthesis of UCNPs due to their unique converting capability; they possess the sharp and specific emission peak because of the ladder-like energy level. However, the conventional UCNPs, such as the core-shell structure consists of the single RE doped layer, could only emit the limited wavelength light. In this study, we synthesize NaYF4:TmYb-NaYF4:ErYb-NaYF4, NaYF4:ErYb-NaYF4:TmYb-NaYF4 core-shell-shell structures which show ‘color tunable’ optical property by regulating the induced light intensity. With these UCNPs, we not only controlled the emission wavelength without the other chemical treatment, but also applied to optical structure with maintain the photoluminescence character. |
| E-mail |
wjsehgus97@gmail.com |
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123rd General Meeting of the KCS