Sensing using rare-earth-doped upconversion nano-particles

Theranostics

Volumn 3, Issue 5, 2013, Pages 331-345

  Hao, Shuwei ^a   Chen, Guanying ^a,b   Yang, Chunhui ^a  

^a HARBIN INSTITUTE OF TECHNOLOGY   (China)

^b UNIVERSITY AT BUFFALO   (United States)

Author keywords

Biosensing; Chemical sensing; Nanoparticles; Temperature sensing; Upconversion

Indexed keywords

ADENOSINE TRIPHOSPHATE; AMMONIA; AVIDIN; CARBON DIOXIDE; CYANIDE; INDICATOR; IONIC LIQUID; LANTHANIDE; MERCURY; NANOPARTICLE; OXYGEN; UNCLASSIFIED DRUG; UPCONVERSION NANOPARTICLE;

ANALYTIC METHOD; CHEMICAL ANALYSIS; CHEMICAL MODIFICATION; CHEMICAL PARAMETERS; COMBUSTION; ENERGY TRANSFER; FREQUENCY MODULATION; IN VITRO STUDY; LIMIT OF DETECTION; LUMINESCENCE; NEAR INFRARED SPECTROSCOPY; PRECIPITATION; REACTION TIME; REVIEW; SENSITIVITY ANALYSIS; SOLVOLYSIS; SYNTHESIS; TEMPERATURE MEASUREMENT; TEMPERATURE SENSE; THERMAL DECOMPOSITION METHOD; ULTRAVIOLET RADIATION;

BIOSENSING; CHEMICAL SENSING; NANOPARTICLES; TEMPERATURE SENSING.; UPCONVERSION;

ANIMALS; BIOSENSING TECHNIQUES; FLUORIDES; GASES; HUMANS; LUMINESCENCE; METALS, RARE EARTH; NANOPARTICLES;

EID: 84883176716     PISSN: None     EISSN: 18387640     Source Type: Journal    
DOI: 10.7150/thno.5305     Document Type: Review

References (115)

1. Auzel F. Upconversion and anti-Stokes processes with f and d ions in solids. Chem Rev. 2004; 104: 139-74.
2. Auzel F. Upconversion processes in coupled ion systems. J Lumin. 1990; 45: 341-45.
3. Wang F, Liu XG. Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals. Chem Soc Rev. 2009; 38: 976-89.
4. Haase M, Schäfer H. Upconverting Nanoparticles. Angew Chem Int Ed. 2011; 50: 5808-29.
5. Achatz DE, Ali R, Wolfbeis OS. Luminescent Chemical Sensing, Bio-sensing, and Screening Using Upconverting Nanoparticles. Top Curr Chem. 2011; 300: 29-50.
6. Wang F, Banerjee D, Liu YS, Chen XY, Liu XG. Upconversion nanoparti-cles in biological labeling, imaging, and therapy. Analyst. 2010; 135: 1839-54.
7. Longmire M, Choyke PL, Kobayashi H. Clearance properties of nano-sized particles and molecules as imaging agents: considerations and caveats. Nanomedicine. 2008; 3: 703-17.
8. Wang F, Deng RR, Wang J, Wang QX, Han Y, Zhu HM, Chen XY, Liu XG. Tuning Upconversion through Energy Migration in Core-Shell Nanoparticles. Nat Mater. 2011; 10: 968-73.
9. Liu YS, Tu DT, Zhu HM , Li RF, Luo WQ, Chen XY. A Strategy to Achieve Efficient Dual-Mode Luminescence of Eu3+ in Lanthanides Doped Multifunctional NaGdF4 Nanocrystals. Adv Mater. 2010; 22: 3266-71.
10. Yi GS, Peng YF, Gao ZQ. Strong Red-Emitting near-Infrared-to-Visible Upconversion Fluorescent Nanoparticles. Chem Mater. 2011; 23: 2729-34.
11. Pichaandi J, Boyer JC, Delaney KR, van Veggel FCJM. Two-Photon Up-conversion Laser (Scanning and Wide-Field) Microscopy Using Ln3+-Doped NaYF4 Upconverting Nanocrystals: A Critical Evaluation of their Performance and Potential in Bioimaging. J Phys Chem C. 2011; 115: 19054-64.
12. 3+. Lumines-cence. 2006; 117: 1-12.
13. Li CX, Lin J. Rare earth fluoride nano-/microcrystals: synthesis, surface modification and Application. J Mater Chem. 2010; 20:6831-47.
14. Wang ZL, Chan HLW, Li HL, Hao JH. Highly efficient lowvoltage cathodoluminescence of LaF3:Ln3+(Ln=Eu3+,Ce3+,Tb3+) spherical particles. Appl Phys Lett. 2008; 93: 141106.
15. 3++ Nanocrystals with Enhanced Near-Infrared to Near-Infrared Upconversion Photoluminescence. ACS Nano. 2010; 4: 3163-68.
16. Liu Q, Sun Y, Yang TS, Feng W, Li CG, Li FY. Sub-10 nm Hexagonal Lanthanide-Doped NaLuF4 Upconversion Nanocrystals for Sensitive Bioimaging in Vivo. J Am Chem Soc. 2011; 133: 17122-25.
17. Yi G, Chow G. Colloidal LaF3:Yb,Er, LaF3:Yb,Ho and LaF3:Yb,Tm nano-crystals with multicolor upconversion fluorescence. J Mater Chem. 2005; 15: 4460-64.
18. Mai HX, Zhang YW, Si R, Yan ZG, Sun LD, You LP, Yan CH. High-quality sodium rare-earth fluoride nanocrystals: Controlled synthesis and optical properties. J Am Chem Soc. 2006; 128: 6426-36.
19. Wang LY, Li YD. Controlled Synthesis and Luminescence of Lanthanide Doped NaYF4 Nanocrystals. Chem Mater. 2007; 19: 727-34.
20. Haase M, Schäfer H. Upconverting Nanoparticles. Angew Chem Int Ed. 2011; 50: 5808-29.
21. Li CX, Lin J. Rare earth fluoride nano-/microcrystals: synthesis, surface modification and application. J Mater Chem, 2010; 20: 6831-47.
22. Wang X, Peng Q, Li YD. Interface-mediated growth of monodispersed nanostructures. Acc Chem Res. 2007; 40: 635-43.
23. Yan ZG, Yan CH. Controlled synthesis of rare earth nanostructures. J Mater Chem. 2008; 18: 5046-59.
24. Gao FG, Jeevarajan AS, Anderson MM. Long-term continuous monitoring of dissolved oxygen in cell culture medium for perfused bioreactors using optical oxygen sensors. Biotechnol Bioeng. 2004; 86: 425-33.
25. Amao Y, Miyashita T, Okura I. Optical oxygen sensing based on the luminescence change of metalloporphyrins immobilized in styrene-pentafluorostyrene copolymer film. Analyst. 2000; 125: 871-75.
26. Achatz DE, Meier RJ, Fischer LH, Wolfbeis OS. Luminescent Sensing of Oxygen Using a Quenchable Probe and Upconverting Nanoparticles. Angew Chem Int Ed. 2011; 50: 260-63.
27. Shin JH, Lee SH, Kim MH, Yoon HJ, Lee JS, Cha GS, Nam H. Micro-chipbased pCO2 gas sensor system with improved analytical performance for point-of-care testing of CO2 levels in whole blood samples. Clin Chem. 2000; 46: A60-A61.
28. Mader HS, Wolfbeis OS. Optical Ammonia Sensor Based on Upconverting Luminescent Nanoparticles. Anal Chem. 2010; 82: 5002-5004.
29. Holland MA, Kozlowski LM. Clinical features and management of cyanide poisoning. Clin Pharm. 1986; 5: 737-41.
30. Liu JL, Liu Y, Liu Q, Li CY, Sun LN, Li FY. Iridium(III) Complex-Coated Nanosystem for Ratiometric Upconversion Luminescence Bioimaging of Cyanide Anions. J Am Chem Soc. 2011; 133: 15276-79.
31. Zheng N, Wang QC, Zhang XW, Zheng DM, Zhang ZS, Zhang SQ. Population health risk due to dietary intake of heavy metals in the industrial area of Huludao city, China. Sci Total Environ. 2007; 387: 96-104.
32. Chen J, Xiao JL, Zhao J. Upconversion Nanomaterials: Synthesis, Mechanism, and Applications in Sensing. Sensors. 2012; 12: 2415-33.
33. Wang F, Liu XG. Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals. Chem Soc Rev. 2009; 38: 976-89.
34. Zhou J, Liu Z, Li FY. Upconversion nanophosphors for small-animal imaging. Chem Soc Rev. 2012; 41: 1323-49.
35. Soukka T, Rantanen T, Kuningas K. Photon upconversion in homogeneous fluorescence-based bioanalytical assays. Fluoresc Methods Appl Spectrosc Imaging Probes. 2008; 1130: 188-200.
36. Helmchen F, Denk W. Deep tissue two-photon microscopy. Nat Methods. 2005; 2: 932-40.
37. Larson DR, Zipfel WR, Williams RM, Clark SW, Bruchez MP, Wise FW, Webb WW. Water-soluble quantum dots for multiphoton fluorescence imaging in vivo. Science. 2003; 300: 1434-36.
38. Heike S Mader, Peter Kele, Sayed M Saleh and Otto S Wolfbeis. Upcon-verting luminescent nanoparticles for use in bioconjugation and bioim-aging. Curr Opin Chem Biol. 2010, 14: 582-596.
39. Lu AH, Salabas EL, Schuth F. Magnetic nanoparticles: Synthesis, protection, functionalization, and application. Angew Chem Int Ed. 2007; 46: 1222-44.
40. Quan ZW, Wang ZL, Yang PP, Lin J, Fang JY. Synthesis and characterization of high-quality ZnS, ZnS: Mn2+, and ZnS: Mn2+/ZnS (core/shell) luminescent nanocrystals. Inorg Chem. 2007; 46: 1354-60.
41. Quan ZW, Yan DM, Li CX, Kong DY, Yang PP, Cheng ZY, Lin J. Multi-color Tuning of Manganese-Doped ZnS Colloidal Nanocrystals. Lang-muir. 2009; 25: 10259-62.
42. Tian Q, Tao K, Li WW, Sun K. Hot-Injection Approach for Two-Stage Formed Hexagonal NaYF4:Yb, Er Nanocrystals. J Phys Chem C. 2011; 115: 22886-892.
43. Zhang YW, Sun X, Si R, You LP, Yan CH. Single-crystalline and mono-disperse LaF3 triangular nanoplates from a single-source precursor. J Am Chem Soc. 2005; 127: 3260-61.
44. Li ZQ, Zhang Y. An efficient and user-friendly method for the synthesis of hexagonal-phase NaYF4:Yb,Er/Tm nanocrystals with controllable shape and upconversion fluorescence. Nanotechnology. 2008; 19: 345606.
45. 3+ Nanocrystals under Excitation at 1490 nm. ACS Nano. 2011; 5: 4981-86.
46. Wang J, Wang F, Wang C, Liu Z, Liu XG. Single-Band Upconversion Emission in Lanthanide-Doped KMnF3 Nanocrystals. Angew Chem Int Ed. 2011; 50: 10369-372.
47. 3+ nanoparticles by active-shell modification. J Mater Chem. 2011; 21: 5923-27.
48. Zhang H, Li YJ, Lin YC, Huang Y, Duan XF. Composition tuning the upconversion emission in NaYF4:Yb/Tm hexaplate nanocrystals. Na-noscale, 2011; 3: 963-66.
49. Ye XC, Collins JE, Kang YJ, Chen J, Chen DTN, Yodh AG, Murray CB. Morphologically controlled synthesis of colloidal upconversion nano-phosphors and their shape-directed self-assembly. Proc Natl Acad Sci U S A. 2010; 107: 22430-35.
50. 3+ Nanoparticles. Chem Mater. 2009; 21: 717-23.
51. Bogdan N, Vetrone F, Roy R, Capobianco JA. Carbohydrate-coated lanthanide-doped upconverting nanoparticles for lectin recognition. J Mater Chem. 2010; 20: 7543-50.
52. 3+-Doped LiYF4 Nanocrystals: Multiple Luminescence Spanning the UV to NIR Regions via Low-Energy Excitation. Adv Mater. 2009; 21: 4025-28.
53. 3+/Ho3+-Doped NaYbF4 Upconversion Nanoparticles for in Vitro and Deeper in Vivo Bioimaging without Overheating Irradiation. ACS Nano. 2011; 5: 3744-57.
54. Teng X, Zhu YH, Wei W, Wang SC, Huang JF, Naccache R, Hu WB, Tok AIY, Han Y, Zhang QC, Fan QL, Huang W, Capobianco JA, Huang L. Lanthanide-Doped NaxScF3+x Nanocrystals: Crystal Structure Evolution and Multicolor Tuning. J Am Chem Soc. 2012; 134: 8340-43.
55. Chen GY, Qiu HL, Fan RW, Hao SW, Tan S, Yang CH, Han G. Lanthanide-doped ultrasmall yttrium fluoride nanoparticles with enhanced multicolor upconversion photoluminescence. J Mater Chem. 2012; 22: 20190-96.
56. Du YP, Zhang YW, Sun LD, Yan CH. Luminescent monodisperse nano-crystals of lanthanide oxyfluorides synthesized from trifluoroacetate precursors in high-boiling solvents. J Phys Chem C. 2008; 112: 405-15.
57. Shan JN, Ju YG. A single-step synthesis and the kinetic mechanism for monodisperse and hexagonal-phase NaYF4:Yb, Er upconversion nano-phosphors. Nanotechnology. 2009; 20: 275603.
58. Mai HX, Zhang YW, Sun LD, Yan CH. Size- and phase-controlled synthesis of monodisperse NaYF4: Yb,Er nanocrystals from a unique delayed nucleation pathway monitored with upconversion spectroscopy. J Phys Chem C. 2007; 111: 13730.
59. 3+ monodisperse nanocrystals. Nano Lett. 2007; 7: 847-52.
60. Yi G, Sun B, Yang F, Chen D, Zhou Y, Cheng J. Synthesis and characterization of high-efficiency nanocrystal up-conversion phosphors: Ytterbium and erbium codoped lanthanum molybdate. Chem Mater. 2002; 14: 2910-14.
61. Fan X, Pi D, Wang F, Qiu J, Wang M. Hydrothermal synthesis and luminescence behavior of lanthanide-doped GdF3 nanoparticles. Trans Nan-otechnol. 2006; 5: 123-28.
62. Zhang F, Wan Y, Yu T, Zhang FQ, Shi Y, Xie S, Li S, Li Y, Xu L, Tu B, Zhao D. Uniform nanostructured arrays of sodium rare-earth fluorides for highly efficient multicolor upconversion luminescence. Angew Chem Int Ed. 2007; 46: 7976-79.
63. Wang X, Zhuang J, Peng Q, Li YD. A general strategy for nanocrystal synthesis. Nature. 2005; 437: 121-124.
64. Li CX, Quan ZW, Yang J, Yang PP, Lin J. Highly uniform and monodis-perse beta-NaYF4: Ln3+ (Ln = Eu, Tb, Yb/Er, and Yb/Tm) hexagonal microprism crystals: Hydrothermal synthesis and luminescent properties. Inorg Chem. 2007; 46: 6329-37.
65. Su YG, Li LP, Li GS. NaYF4:Eu2+ microcrystals: Synthesis and intense blue luminescence. Cryst Growth Des. 2008; 8: 2678-83.
66. Zhuang JL, Liang LF, Sung HY, Yang XF, Wu MM, Williams ID, Feng SH, Su Q. Controlled hydrothermal growth and up-conversion emission of NaLnF4 (Ln = Y, Dy-Yb). Inorg Chem. 2007; 46: 5404-10.
67. Li CX, Yang J, et al. Different microstructures of NaYF4 fabricated by hy-drothermal process: Effects of pH values and fluoride sources. Chem Mater. 2007; 19: 4933-42.
68. 3+ microspheres. J Rare Earths. 2009; 27: 394-397.
69. Zhang F, Wan Y, Yu T, Zhang FQ, Shi YF, Xie SH, Li YG, Xu L, Tu B, Zhao DY. Uniform nanostructured arrays of sodium rare-earth fluorides for highly efficient multicolor upconversion luminescence. Angew Chem Int Ed. 2007; 46: 7976-79.
70. Wang F, Han Y, Lim CS, Lu YH, Wang J, Xu J, Chen HY, Zhang C, Hong MH, Liu XG. Simultaneous phase and size control of upconversion nanocrystals through lanthanide doping. Nature. 2010; 463: 1061-65.
71. Zhang F, Li J, Shan J, Xu L, Zhao DY. Shape, Size, and Phase-Controlled Rare-Earth Fluoride Nanocrystals with Optical Up-Conversion Properties. Chem Eur J. 2009; 15: 11010-19.
72. Li CX, Zhang CM, Hou ZY, Wang LL, Quan ZW, Lian HZ, Lin J. beta-NaYF4 and beta-NaYF4:Eu3+ Microstructures: Morphology Control and Tunable Luminescence Properties. J Phys Chem C. 2009; 113: 2332-39.
73. Qiu HL, Chen GY, Sun L, Hao SW, Han G, Yang CH. Ethylenedia-minetetraacetic acid (EDTA)-controlled synthesis of multicolor lanthanide doped BaYF5 upconversion nanocrystals. J Mater Chem. 2011; 21:17202-208.
74. Hampl J, Hall M, Mufti NA, Yao YM., MacQueen DB, Wright WH, Cooper DE. Upconverting phosphor reporters in immunochromato-graphic assays. Anal Biochem. 2001; 288: 176-87.
75. van de Rijke F, Zijlmans H, Li S, Vail T, Raap AK, Niedala RS, Tanke HJ. Up-converting phosphor reporters for nucleic acid microarrays. Nat Biotechnol. 2001; 19: 273-76.
76. Wang YH, Shen P, Li CY, Wang YY, Liu ZH. Upconversion Fluorescence Resonance Energy Transfer Based Biosensor for Ultrasensitive Detection of Matrix Metalloproteinase-2 in Blood. Anal Chem. 2012; 84: 1466-73.
77. Wang M, Hou W, Mi CC, Wang WX, Xu ZR, Teng HH, Mao CB, Xu SK. Immunoassay of goat antihuman immunoglobulin G antibody based on luminescence resonance energy transfer between near-infrared respon- sive NaYF4:Yb, Er upconversion fluorescent nanoparticles and gold na-noparticles. Anal Chem. 2009; 81: 8783-89.
78. Kuningas K, Ukonaho T, Pakkila H, Rantanen T, Rosenberg J, Lovgren T, Soukka T. Upconversion fluorescence resonance energy transfer in a homogeneous immunoassay for estradiol. Anal Chem. 2006; 78: 4690-96.
79. Kuningas K, Pakkila H, Ukonaho T, Rantanen T, Lovgren T, Soukka T. Upconversion fluorescence enables homogeneous immunoassay in whole blood. Clin Chem. 2007; 53: 145-46.
80. Saleh SM, Ali R, Hirsch T, Wolfbeis OS. Detection of biotinavidin affinity binding by exploiting a self-referenced system composed of upcon-verting luminescent nanoparticles and gold nanoparticles. J Nanopart Res. 2011; 13: 4603-11.
81. Wang LY, Yan RX, Huo ZY, Wang L, Zeng JH, Bao H, Wang X, Peng Q, Li YD. Fluorescence resonant energy transfer biosensor based on upcon-version-luminescent nanoparticles. Angew Chem Int Ed Engl. 2005; 44: 6054-57.
82. Liu C, Wang Z, Jia H, Li Z. Efficient fluorescence resonance energy transfer between upconversion nanophosphors and graphene oxide: a highly sensitive biosensing platform. Chem Commun. 2011; 47: 4661-63.
83. Corstjens PLAM, Zuiderwijk M, Nilsson M, Feindt H, Niedbala RS, Tanke HJ. Lateral-flow and up-converting phosphor reporters to detect single-stranded nucleic acids in a sandwich-hybridization assay. Anal Biochem. 2003; 312: 191-200.
84. Zhang P, Rogelj S, Nguyen K, Wheeler D. Design of a highly sensitive and specific nucleotide sensor based on photon upconverting particles. J Am Chem Soc. 2006; 128: 12410-11.
85. Duan N, Wu SJ, Zhu CQ, Ma XY, Wang ZP, Yu Y, Jiang Y. Dual-color upconversion fluorescence and aptamer-functionalized magnetic nano-particles-based bioassay for the simultaneous detection of Salmonella Typhimurium and Staphylococcus aureus. Analytica Chimica Acta. 2012; 723: 1-6.
86. Cui QH, Shao Y, Ma K, Xu SJ, Wu F, Liu GY. Upconversion emission of fluorescent silver nanoclusters and in situ selective DNA biosensing. Analyst. 2012; 137: 2362-66.
87. Yao LM, Zhou J, Liu J L, Feng W, Li FY. Iridium-Complex-Modified Up-conversion Nanophosphors for Effective LRET Detection of Cyanide Anions in Pure Water. Adv Funct Mater. 2012; 22: 2667-72.
88. Liu Q, Peng J, Sun L, Li FH. High-Efficiency Upconversion Luminescent Sensing and Bioimaging of Hg(II) by Chromophoric Ruthenium Com-plex-Assembled Nanophosphors. ACS Nano. 2011; 5: 8040-48.
89. Yao LM, Zhou J, Liu J L, Feng W, Li FY. Iridium-Complex-Modified Up-conversion Nanophosphors for Effective LRET Detection of Cyanide Anions in Pure Water. Adv Funct Mater. 2012; 22: 2667-72.
90. Kumar M, Zhang P. Highly sensitive and selective label-free optical de-tection of mercuric ions using photon upconverting nanoparticles. Bio-sensors and Bioelectronics. 2010; 25: 2431-35.
91. Zhou HP, Xu CH, Sun W, Yan CH. Clean and Flexible Modification Strategy for Carboxyl/Aldehyde-Functionalized Upconversion Nano-particles and Their Optical Applications. Adv Funct Mater. 2009; 19: 3892-3900.
92. Zhang HD, Sun YH, Ye KQ, Zhang P, Wang Y. Oxygen sensing materials based on mesoporous silica MCM-41 and Pt(II)-porphyrin complexes. J Mater Chem. 2005; 15: 3181-86.
93. Borisov SM, Nuss G, Klimant I. Red Light-Excitable Oxygen Sensing Materials Based on Platinum(II) and Palladium(II) Benzoporphyrins. Anal Chem. 2008; 80: 9435-42.
94. Achatz DE, Meier RJ, Fischer LH, Wolfbeis OS. Luminescent Sensing of Oxygen Using a Quenchable Probe and Upconverting Nanoparticles. Angew Chem Int Ed. 2011; 50: 260-63.
95. Liu LN, Li B, Ying J, Wu XD, Zhao HF, Ren XG, Zhu DX, Su ZM. Synthe-sis and characterization of a new trifunctional magnet-ic-photoluminescent -oxygen-sensing nanomaterial. Nanotechnology. 2008; 19: 495709.
96. Sun L, Peng H, Stich MIJ, Achatz DE, Wolfbeis OS. pH sensor based on upconverting luminescent lanthanide nanorods. Chem Commun. 2009; 33: 5000-5002.
97. Wolfbeis OS, Weis L, Leiner MJP, Ziegler WE. Fiber-optic fluorosensor for oxygen and carbon dioxide. Anal Chem. 1988; 60: 2028-30.
98. Ertekin K, Klimant I, Neurauter G, Wolfbeis OS. Characterization of a reservoir-type capillary optical microsensor for CO2 measurements. Talanta. 2003; 59: 261-67.
99. Ali R, Saleh SM, Meier RJ, Azab HA, Elgawad I, Wolfbeis OS. Upcon-verting Nanoparticle Based Optical Sensor for Carbon Dioxide. Sens Ac-tuators B Chem. 2010; 150:126-31.
100. Fischer LH, Harms GS, Wolfbeis OS. Upconverting Nanoparticles for Nanoscale Thermometry. Angew Chem Int Ed. 2011; 50: 4546-51.
101. Kusama H, Sovers OJ, Yoshioka T. Line Shift Method for Phosphor Temperature Measurements. J Appl Phys. 1976; 15: 2349-58.
102. 3+-doped silica-on-silicon waveguides. Rev Sci Instrum. 2002; 73: 476-79.
103. 3+ nanocrystals and high thermal sensitivity. J Phys Chem C. 2007; 111: 15119-24.
104. 3+ nanowires. J Chem Phys. 2005; 123: 174710.
105. 3+@beta-NaYF4 Core/Shell Nano-particles: Excitation Power, Density and Surface Dependence. J Phys Chem C. 2009; 113: 7164-69.
106. 3+-codoped nanocrystalline yttria: Saturation and thermal effects. J Phys Chem C. 2007; 111: 13611-17.
107. 3+-doped optical fiber. Appl Phys B. 2000; 70:185-88.
108. 3+-doped chalcogenide glasses. IEEE J Quantum Electron QE. 1999; 35: 395-99.
109. Berthou H, Jorgensen CK. Optical-Fiber temperature sensor based on upconversion-excoted flrescenceuo. Opt Lett. 1990; 15: 1100-02.
110. 3+. J Lu-min. 2005; 114: 53-59.
111. Wu KY, Cui JB, Kong XX, Wang YJ. Temperature dependent upconversion luminescence of Yb/Er codoped NaYF4 nanocrystals. J Appl Phys. 2011; 110: 053510.
112. 3+ codoped Y2O3. Opt Commun. 2012; 285: 1925-28
113. Vetrone F, Naccache R, Zamarron A, de la Fuente AJ, Sanz-Rodríguez F, Capobianco JA et al.. Temperature Sensing Using Fluorescent Nan-othermometers. ACS Nano. 2010; 4: 3254-58.
114. Sedlmeier A, Achatz DE, Fischer LH, Gorris HH, Wolfbeis OS. Photon upconverting nanoparticles for luminescent sensing of temperature. Nanoscale. 2012; 4: 7090-96.
115. Chen G, Yang C, Prasad PN. Nanophotonics and Nanochemistry: Controlling the Excitation Dynamics for Frequency Up- and Down-Conversion in Lanthanide-Doped Nanoparticles. Acc Chem Res. 2013; DOI:10.1021/ar300270y.