Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Critical Shell Thickness of Core/Shell Upconversion Luminescence Nanoplatform for FRET Application | |
其他题名 | 论文其他题名 |
Wang Y.; Liu K.; Liu X. M.; Dohnalova K.; Gregorkiewicz T.; Kong X. G.; Aalders M. C. G.; Buma W. J.; Zhang H. | |
2011 | |
发表期刊 | Journal of Physical Chemistry Letters |
ISSN | 1948-7185 |
卷号 | 2期号:17页码:2083-2088 |
摘要 | Almost all the luminescence upconversion nanoparticles used for Forster resonant energy transfer (FRET) applications are bare cores based on the consideration that the energy transfer efficiency is optimized because the distance between energy donors and acceptors is minimized. On the other hand, it is well proved that core/shell structure is efficient in minimizing the nonradiative loss of excitation energy of the luminescence donors. In this work we use core/shell upconversion NaYF(4):Yb(3+),Er(3+)@NaYF(4) nanoparticles and rose bengal photosensitizer to construct a FRET conjugate. From the photophysics and singlet oxygen generation we have determined that the core/shell structured nanoparticles are better than bare cores for FRET applications. More importantly, we have found that there exists a critical shell thickness for the best FRET performance. In the model we have established, the critical shell thickness is a trade-off between the opposing optimal conditions for upconversion and FRET efficiency. This work shall lead to more efficient FRET-based applications of nanomaterials. |
收录类别 | SCI ; EI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/26089 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Wang Y.,Liu K.,Liu X. M.,et al. Critical Shell Thickness of Core/Shell Upconversion Luminescence Nanoplatform for FRET Application[J]. Journal of Physical Chemistry Letters,2011,2(17):2083-2088. |
APA | Wang Y..,Liu K..,Liu X. M..,Dohnalova K..,Gregorkiewicz T..,...&Zhang H..(2011).Critical Shell Thickness of Core/Shell Upconversion Luminescence Nanoplatform for FRET Application.Journal of Physical Chemistry Letters,2(17),2083-2088. |
MLA | Wang Y.,et al."Critical Shell Thickness of Core/Shell Upconversion Luminescence Nanoplatform for FRET Application".Journal of Physical Chemistry Letters 2.17(2011):2083-2088. |
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