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1.长春工业大学 化学与生命学院&材料科学高等研究院, 吉林 长春 130012
2.长春工业大学 材料科学与工程学院, 吉林 长春 130012
Received:08 October 2020,
Accepted:2020-10-19,
Published:2020-11
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Mei-juan YUANG, Jing LI, Hui-lian QIN, et al. Upconversion Luminescence of MgSc2O4: Er3+/Yb3+ Nanocrystals Co-doped Alkali Ions[J]. Chinese journal of luminescence, 2020, 41(11): 1351-1357.
Mei-juan YUANG, Jing LI, Hui-lian QIN, et al. Upconversion Luminescence of MgSc2O4: Er3+/Yb3+ Nanocrystals Co-doped Alkali Ions[J]. Chinese journal of luminescence, 2020, 41(11): 1351-1357. DOI: 10.37188/CJL.20200294.
通过水热法制备了碱金属离子(Li
+
、Na
+
、K
+
)共掺的MgSc
2
O
4
:Er
3+
/Yb
3+
纳米晶,获得类球状纳米晶的平均尺寸约为35 nm。通过改变碱金属离子的种类和数量,获得了增强上转换发光。发现K
+
离子共掺MgSc
2
O
4
:Er
3+
/Yb
3+
纳米晶发光强度最佳,并且随着K
+
掺杂量的不断增加,纳米晶的发射强度逐渐增强,这是由于K
+
离子引入了最大的晶体场不对称性。随后,通过调控Yb
3+
和Er
3+
的掺杂浓度,发现发光强度最强样品为K
+
离子共掺MgSc
2
O
4
:1% Er
3+
/5% Yb
3+
纳米晶。研究了在980 nm激光激发下,MgSc
2
O
4
纳米晶中Yb
3+
与Er
3+
离子之间的能量传递以及上转换发光机制。
The alkali ions(Li
+
/Na
+
/K
+
) co-doped MgSc
2
O
4
:Er
3+
/Yb
3+
nanocrystals have been synthesized by hydrothermal method. The average size of obtained spheroid nanocrystals is about 35 nm. The upconversion luminescence intensity can be strengthened by adjusting alkali ions types and contents. The K
+
ions co-doped MgSc
2
O
4
:Er
3+
/Yb
3+
nanocrystals display the strongest luminescence. As K
+
content increasing
emission intensity can be enhanced gradually due to the large asymmetry of crystal field created by K
+
ions. The spectral properties of K
+
ions co-doped MgSc
2
O
4
:Er
3+
/Yb
3+
nanocrystals are described in detail as a function of Er
3+
and Yb
3+
concentrations. The MgSc
2
O
4
:1%Er
3+
/5%Yb
3+
nanocrystal was optimized for the strongest upconversion luminescence. Then
the upconversion mechanism and energy transfer processes between Yb
3+
ions and Er
3+
ions in K
+
ions co-doped MgSc
2
O
4
:Er
3+
/Yb
3+
nanocrystals were investigated under the 980 nm excitation.
WANG F, LIU X G. Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals[J]. Chem. Soc. Rev ., 2009, 38(4):976-989.
花景田, 陈宝玖, 孙佳石, 等.稀土掺杂材料的上转换发光[J].中国光学, 2010, 3(4):301-309.
HUA J T, CHEN B J, SUN J S, et al.. Introduction to up-conversion luminescence of rare earth doped materials[J]. Chin. Opt., 2010, 3(4):301-309. (in Chinese)
ZHANG J H, HAO Z D, LI J, et al .. Observation of efficient population of the red-emitting state from the green state by non-multiphonon relaxation in the Er 3+ -Yb 3+ system[J]. Light:Sci. Appl ., 2015, 4(1):e239.
SUN J Y, ZENG J H, SUN Y N, et al .. Synthesis and luminescence properties of novel Y 2 Si 4 N 6 C:Sm 3+ carbonitride phosphor[J]. Ceram. Int ., 2013, 39(2):1097-1102.
DWIVEDI A, MISHRA K, RAI S B. Multi-modal luminescence properties of RE 3+ (Tm 3+ , Yb 3+ ) and Bi 3+ activated GdNbO 4 phosphors-upconversion, downshifting and quantum cutting for spectral conversion[J]. J. Phys. D: Appl. Phys ., 2015, 48(43):435103.
MAHALINGAM V, NACCACHE R, VETRONE F, et al .. Enhancing upconverted white light in Tm 3+ /Yb 3+ /Ho 3+ -doped GdVO 4 nanocrystals via incorporation of Li + ions[J]. Opt. Express , 2012, 20(1):111-119.
RAI V K, DEY R, KUMAR K. White upconversion emission in Y 2 O 3 :Er 3+ -Tm 3+ -Yb 3+ phosphor[J]. Mater. Res. Bull ., 2013, 48(6):2232-2236.
于海洋, 涂浪平, 张友林, 等.溶剂中稀土上转换纳米粒子表面猝灭效应的定量分析[J].中国光学, 2019, 12(6):1288-1294.
YU H Y, TU L P, ZHANG Y L, et al.. Quantitative analysis of the surface quenching effect of lanthanide-doped upconversion nanoparticles in solvents[J]. Chin. Opt., 2019, 12(6):1288-1294. (in Chinese)
XIE W Y, AN X T, CHEN L, et al .. Tunable phase and upconverting luminescence of Gd 3+ co-doped NaErF 4 :Yb 3+ nanostructures[J]. Mater. Res. Bull ., 2017, 95:509-514.
LENG J, TANG J, XIE W Y, et al .. Impact of pH and urea content on size and luminescence of upconverting Y 2 O 3 :Yb, Er nanophosphors[J]. Mater. Res. Bull ., 2018, 100:171-177.
TANG J, CHEN L, LI J, et al .. Selectively enhanced red upconversion luminescence and phase/size manipulation via Fe 3+ doping in NaYF 4 :Yb, Er nanocrystals[J]. Nanoscale , 2015, 7(35):14752-14759.
XIANG G T, LIU X T, LIU W, et al .. Multifunctional optical thermometry based on the stark sublevels of Er 3+ in CaO-Y 2 O 3 :Yb 3+ /Er 3+ [J]. J. Am. Ceram. Soc ., 2020, 103(4):2540-2547.
相国涛, 刘小桐, 夏清, 等. β-NaYF 4 :Yb 3+ /Er 3+ @β-NaYF 4 :Yb 3+ 的上转换发光特性[J].发光学报, 2020, 41(6):679-683.
XIANG G T, LIU X T, XIA Q, et al .. Upconversion luminescence properties of β-NaYF 4 :Yb 3+ /Er 3+ @β-NaYF 4 :Yb 3+ [J]. Chin. J. Lumin. , 2020, 41(6):679-683. (in Chinese)
GAI S L, LI C X, YANG P P, et al .. Recent progress in rare earth micro/nanocrystals:soft chemical synthesis, luminescent properties, and biomedical applications[J]. Chem. Rev ., 2014, 114(4):2343-2389.
王丹, 薛彬, 涂浪平, 等.钕敏化多层壳纳米结构的增强型染料敏化上转换发光[J].中国光学, doi:10.37188/CO.2020-0097.
WANG D, XUE B, TU L P, et al.. enhanced dye-sensitized upconversion luminescence based on Nd 3+ -sensitized multi-shell nanostructures[J]. Chin. Opt., doi:10.37188/CO.2020-0097.(in Chinese)
LI F, LI J, WANG Y, et al .. Impact of organic additives on synthesis and upconversion luminescence properties in Ln 3+ , Yb 3+ ( Ln 3+ =Er 3+ /Tm 3+ /Ho 3+ ) doped CaSc 2 O 4 nanocrystals via hydrothermal method[J]. Opt. Mater ., 2019, 96:109293.
LI J, ZHANG J H, HAO Z D, et al .. Intense upconversion luminescence and origin study in Tm 3+ /Yb 3+ codoped calcium scandate[J]. Appl. Phys. Lett ., 2012, 101(12):121905-1-4.
LI J, ZHANG J H, HAO Z D, et al .. Spectroscopic properties and upconversion studies in Ho 3+ /Yb 3+ co-doped calcium scandate with spectrally pure green emission[J]. ChemPhysChem , 2013, 14(18):4114-4120.
FENG L Y, HAO Z D, LUO Y S, et al .. Observation and photoluminescence properties of two Er 3+ centers in CaSc 2 O 4 :Er 3+ , Yb 3+ upconverting phosphor[J]. J. Alloys Compd ., 2017, 708:827-833.
CHUNG J H, LEE S Y, SHIM K B, et al .. Blue upconversion luminescence of CaMoO 4 :Li + /Yb 3+ /Tm 3+ phosphors prepared by complex citrate method[J]. Appl. Phys. A, 2012, 108(2):369-373.
PARCHUR A K, NINGTHOUJAM R S. Preparation, microstructure and crystal structure studies of Li + co-doped YPO 4 :Eu 3+ [J]. RSC Adv ., 2012, 2(29):10854-10858.
庹娟, 王林香, 叶颖, 等.金属离子Li + , Na + , K + , Ca 2+ , Ba 2+ 掺杂Lu 2 O 3 :Pr 3+ 荧光粉的制备及发光特性研究[J].发光学报, 2018, 39(3):307-314.
TUO J, WANG L X, YE Y, et al .. Preparation and luminescence properties of Lu 2 O 3 :Pr 3+ phosphors codoped with Li + , Na + , K + , Ca 2+ , Ba 2+ Ions[J]. Chin. J. Lumin ., 2018, 39(3):307-314. (in Chinese)
LUITEL H N, CHAND R, TORIKAI T, et al .. Highly efficient NIR-NIR upconversion in potassium substituted CaMoO 4 :Tm 3+ , Yb 3+ phosphor for potential biomedical applications[J]. RSC Adv. , 2015, 5(22):17034-17040.
MAURYA A, DWIVEDI A, BAHADUR A, et al .. Enhanced upconversion and downshifting emissions from Tm 3+ , Yb 3+ co-doped CaZrO 3 phosphor in the presence of alkali ions (Li + , Na + and K + )[J]. J. Alloys Compd ., 2019, 786:457-467.
MAURYA A, BAHADUR A, DWIVEDI A, et al .. Optical properties of Er 3+ , Yb 3+ co-doped calcium zirconate phosphor and temperature sensing efficiency:effect of alkali ions (Li + , Na + and K + )[J]. J. Phys. Chem. Solids , 2018, 119:228-237.
JIU J X, AN X T, LI J, et al .. Intense red up-conversion luminescence and dynamical processes observed in Sc 2 O 3 :Yb 3+ , Er 3+ nanostructure[J]. Dalton Trans ., 2017, 46(45):15954-15960.
POLLNAU M, GAMELIN D R, LVTHI S R, et al .. Power dependence of upconversion luminescence in lanthanide and transition-metal-ion systems[J]. Phys. Rev. B, 2000, 61(5):3337-3346.
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