| 학회 |
한국공업화학회 |
| 학술대회 |
2016년 가을 (10/26 ~ 10/28, 제주국제컨벤션센터(ICCJEJU)) |
| 권호 |
20권 2호 |
| 발표분야 |
(국제협력) 우수 외국인 연구자 세션 |
| 제목 |
Energy transfer based spectral properties of TiO2 NPs impregnated co-doped Gd3++Eu3+: PVA polymer nanocomposites for luminescent Applications |
| 초록 |
We have synthesized Eu3+: PVA, Gd3+: PVA, Gd3++Eu3+: PVA and Gd3++Eu3++ TiO2 nanoparticles: PVA polymer films by solution casting method. Eu3+ doped PVA polymer films displayed a red emission at 618 nm (5D0→7F2) under 396 nm (7F0→5L6) of excitation. Upon co-doping with Gd3+ to Eu3+: PVA polymer film, it exhibits enriched red emission than singly doped Eu3+: PVA under 270 nm of excitation due to energy transfer from Gd3+ to Eu3+ ions. After dispersion of TiO2 NPs in the co-doped Gd3++Eu3+: PVA polymer films, the PL properties of Eu3+ are remarkably enhanced. Red emission of Eu3+ is significantly enhanced though an efficient ET process from Gd3+ to Eu3+ and TiO2 NPs to Eu3+. These polymer nanocomposite films could be suggested as promising candidates for red luminescent photonic devices. |
| 저자 |
K Naveen Kumar1, L. Vijayalakshmi2, 강미숙1
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| 소속 |
1영남대, 2NRI Institute of Technology |
| 키워드 |
Gd3++Eu3++ TiO2 nanoparticles: PVA polymer composites; Red emission; Energy transfer
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| E-Mail |
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