浏览全部资源
扫码关注微信
1. 中国科学院长春光学精密机械与物理研究所 质量检测中心, 吉林 长春 130033
2. 中国科学院长春应用化学研究所 高分子与物理国家重点实验室, 吉林 长春 130022
纸质出版日期:2016-8-5,
收稿日期:2016-4-13,
修回日期:2016-5-24,
扫 描 看 全 文
金辉, 马洪涛, 刘鹏. 掺杂壳层对增强NaYF<sub>4</sub>:Ce<sup>3+</sup>,Tb<sup>3+</sup>体系发光的影响[J]. 发光学报, 2016,37(8): 955-960
JIN Hui, MA Hong-tao, LIU Peng. Effect of Doped-shell on The Luminescent Enhancement of NaYF<sub>4</sub>:Ce<sup>3+</sup>,Tb<sup>3+</sup> System[J]. Chinese Journal of Luminescence, 2016,37(8): 955-960
金辉, 马洪涛, 刘鹏. 掺杂壳层对增强NaYF<sub>4</sub>:Ce<sup>3+</sup>,Tb<sup>3+</sup>体系发光的影响[J]. 发光学报, 2016,37(8): 955-960 DOI: 10.3788/fgxb20163708.0955.
JIN Hui, MA Hong-tao, LIU Peng. Effect of Doped-shell on The Luminescent Enhancement of NaYF<sub>4</sub>:Ce<sup>3+</sup>,Tb<sup>3+</sup> System[J]. Chinese Journal of Luminescence, 2016,37(8): 955-960 DOI: 10.3788/fgxb20163708.0955.
构建了NaYF
4
:Ce
3+
,Tb
3+
/NaYF
4
:
x
%Ce
3+
核/活性壳结构,系统地研究了能量激发、吸收、迁移和发射的每一个过程,揭示了活性壳对增强发光所起的作用。研究表明,活性壳增强发光的本质是增加了激发光的吸收效率。而对于量子产率而言,计算得到裸核的荧光量子效率为21.5%,核/惰性壳结构的荧光量子效率为59.8%,核/活性壳结构的荧光量子效率为53.2%。结果表明,与核/惰性壳结构相比,核/活性壳结构的发光量子产率并没有得到提高,甚至还有所降低。
NaYF
4
:Ce
3+
Tb
3+
/NaYF
4
:
x
%Ce
3+
core/active-shell was prepared. The complete processes of excitation
energy migration
from photon absorption to emission were dissected to unravel the role of sensitizers doped in shell in every individual stage. The experiment results reveal that the essence of doping sensitizers in the shell is just to increase the absorption efficiency whereas the quantum yield is lessened simultaneously. The optimal sensitizer doping concentration is also fixed to achieve the best luminescence performance. In order to obtain the best enhanced luminescence effect
the doping concentration of the sensitized ions in the shell must be lower than that of the bare core.
稀土掺杂活性壳纳米材料发光效率
rare earth dopedactive shellnanomaterialluminescent efficiency
AUZEL F. Upconversion and anti-Stokes processes with f and d ions in solids[J]. Chem. Rev.,2004, 104(1):139-174.
DUAN C K, TANNER P A, BABIN V, et al.. Theoretical simulation and synchrotron excitation spectra of lanthanide ions in hexafluoroelpasolite lattices[J]. J. Phys. Chem. C,2009, 113:12580-12585.
DOWNING E, HESSELINK L, RALSTON J, et al.. Macfarlane, a three-color, solid-state, three-dimensional display[J].Science,1996, 273:1185-1189.
ZHANG F, WAN Y, YING T, et al.. Uniform nanostructured arrays of sodium rare-earth fluorides for highly efficient multicolor upconversion luminescence[J]. Angew. Chem. Int. Ed., 2007, 46:7976-7979.
WANG F, HAN Y, LIM C S, et al.. Simultaneous phase and size control of upconversion nanocrystals through lanthanide doping[J]. Nature, 2010, 463:1061-1065.
LI Y P, ZHANG J H, ZHANG X, et al.. Spectral probing of surface luminescence of cubic Lu2O3:Eu3+nanocrystals synthesized by hydrothermal approach[J]. J. Phys. Chem. C, 2009, 113(41):17705-17710.
VAN RIJKE F D, ZIJLMANS H, LI S, et al.. Up-converting phosphor reporters for nucleic acid microarrays[J]. Nat. Biotechnol., 2001, 19(3):273-276.
ZHANG F, SHI Q H, ZHANG Y C, et al.. Multiplexed biological detection:fluorescence upconversion microbarcodes for multiplexed biological detection:nucleic acid encoding[J]. Adv. Mater., 2011, 23(33):3775-3781.
姜永章,夏海平,张加忠,等.单晶体-NaYF4:Dy3+的制备及光谱特性[J].光子学报, 2015, 44(8):0816001. JIANG Y Z, XIA H P, ZHANG J Z, et al.. Growth and optical spectra of Dy3+ doped -NaYF4 single crystal[J]. Acta Photon. Sinica, 2015, 44(8):0816001. (in Chinese)
付作岭,董晓睿,盛天琦,等.纳米晶体中稀土离子的发光性质及其变化机理研究[J].中国光学, 2015, 8(1):139-144. FU Z L, DONG X R, SHENG T Q, et al.. Luminescene properties and various mechanisms of rare earth ions in the nanocrystals[J]. Chin. Opt., 2015, 8(1):139-144. (in Chinese)
WANG C, CHENG L, LIU Z. Drug delivery with upconversion nanoparticles for multi-functional targeted cancer cell imaging and therapy[J]. Biomaterials, 2013, 32(4):1110-1120.
LIU X M, ZHENG M, KONG X G, et al.. Separately doped upconversion-C60 nanoplatform for NIR imaging-guided photodynamic therapy of cancer cells[J]. Chem. Commun., 2013, 49:3224-3226.
LIU X M, QUE I, KONG X G, et al.. In vivo 808 nm image-guided photodynamic therapy based on an upconversion theranostic nanoplatform[J]. Nanoscale, 2015, 7:14914-14923.
BOYER J C, VEGGEL F C J M. Absolute quantum yield measurements of colloidal NaYF4:Er3+, Yb3+upconverting nanoparticles[J]. Nanoscale, 2010, 2:1417-1419.
WANG F, WANG J, LIU X G. Direct evidence of a surface quenching effect on size-dependent luminescence of upconversion nanoparticles[J]. Angew. Chem. Int. Ed., 2010, 49:7456-7460.
LIU X M, KONG X G, ZHANG Y L, et al.. Breakthrough in concentration quenching threshold of upconversion luminescence via spatial separation of the emitter doping area for bio-applications[J]. Chem. Commun., 2011, 47(43):11957-11959.
VETRONE F, NACCACHE R, MAHALINGAM V, et al.. The active-core/active-shell approach:a strategy to enhance the upconversion luminescence in lanthanide-doped nanoparticles[J]. Adv. Funct. Mater., 2009, 19:2924-2929.
YANG D M, LI C X, LI G G, et al.. Colloidal synthesis and remarkable enhancement of the upconversion luminescence of BaGdF5:Yb3+/Er3+ nanoparticles by active-shell modification[J]. J. Mater. Chem., 2011, 21:5923-5927.
WANG F, ZHANG Y, FAN X P, et al.. Facile synthesis of water-soluble LaF3:Ln3+ nanocrystals[J]. J. Mater. Chem., 2006, 16:1031-1034.
MELHUISH W H. Quantum efficiencies of fluorescence of organic substances:effect of solvent and concentration of the fluorescent solute[J]. J. Phys. Chem., 1961, 65:229-235.
0
浏览量
36
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构