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毕业论文网 > 任务书 > 材料类 > 复合材料与工程 > 正文

Yb3 /Er3 共掺NaBiF4上转换发光材料的制备及其性能研究任务书

 2020-04-25 20:20:35  

1. 毕业设计(论文)的内容和要求

毕业内容:在能够稳定制备出nabif4纳米颗粒的基础上,利用稀土离子具有丰富的能级,并且有亚稳态吸收和发射的特征,制备出能在激光照射下发光的上转换发光材料。

由于yb3 离子本身具有的特性,并且其与er3 有匹配的能级,所以yb3 - er3 是上转换发光中最为有效的离子体系。

利用此离子体系,制备出所需的上转换发光纳米材料。

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2. 参考文献

[1] Bloembergen N. Solid State Infrared Quantum Counters[J]. Phys Rev Lett. 1959,2(3):84-85. [2] Halsted R. E., Apple E. F., Prener J. S. Two-State Optical Excitation in Sulfide Phosphors[J]. Phys Rev Lett. 1959,2(10):420-421. [3] Auzel F. Upconversion and anti-Stokes processes with f and d ions in solids[J]. Cheminform. 2004,104(1):139-173. [4] Johnson L. F., Guggenheim H. J. Infrared‐Pumped Visible Laser[J]. Applied Physics Letters. 1971,19(2):44-47. [5] Bm V. D. E., Aarts L., Meijerink A. Lanthanide ions as spectral converters for solar cells[J]. Physical Chemistry Chemical Physics Pccp. 2009,11(47):11081-11095. [6] Wang F., Liu X. Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals[J]. Chemical Society Reviews. 2009,38(4):976. [7] Suyver J. F., Aebischer A., Biner D., et al. Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion[J]. Opt Mater. 2005,27(6):1111-1130. [8] Gnach A., Bednarkiewicz A. Lanthanide-doped up-converting nanoparticles: Merits and challenges[J]. Nano Today. 2012,7(6):532-563. [9] 宋恩海. Yb3 /Mn2 共掺杂钙钛矿氟化物ABF3可调宽带上转换发光研究 [D]. 广东: 华南理工大学; 2015. [10] Zhou J., Liu Z., Li F. Upconversion nanophosphors for small-animal imaging[J]. Chemical Society Reviews. 2012,41(3):1323-1349. [11] Liu Q., Sun Y., Yang T., et al. Sub-10 nm hexagonal lanthanide-doped NaLuF4 upconversion nanocrystals for sensitive bioimaging in vivo[J]. J Am Chem Soc. 2011,133(43):17122-17125. [12] Wang F., Deng R., Wang J., et al. Tuning upconversion through energy migration in core-shell nanoparticles[J]. Nature Materials. 2011,10(12):968-973. [13] Haase M., Sch#228;fer H. Upconverting nanoparticles[J]. Angew Chem Int Ed. 2011,50(26):5808-5829. [14] Li C., Lin J. Rare earth fluoride nano-/microcrystals: synthesis, surface modification and application[J]. J Mater Chem. 2010,20(20):6831-6847. [15] Li C., Quan Z., Yang J., et al. Highly Uniform and Monodisperse β-NaYF4:Ln3 (Ln = Eu, Tb, Yb/Er, and Yb/Tm) Hexagonal Microprism Crystals:#8201; Hydrothermal Synthesis and Luminescent Properties[J]. Inorg Chem. 2007,46(16):6329-6337. [16] Jouart J. P., Bissieux C., Mary G. Excited-state absorption and up-conversion in Er3 single sites of CdF2:Er3 ,Na [J]. Journal of Physics C Solid State Physics. 1987,20(13):2019-2026. [17] Nakazawa E., Shionoya S. Cooperative Luminescence in YbPO4[J]. Physrevlett. 1970,25(25):1710-1712. [18] Jae Kyu Song, Ulrike Willer, Jodi M. Szarko, et al. Ultrafast Upconversion Probing of Lasing Dynamics in Single ZnO Nanowire Lasers[J]. Jphyschemc. 2008,112(5):1679-1684. [19] Zhang C., Zhang F., Sun X. W., et al. Frequency-upconverted whispering-gallery-mode lasing in ZnO hexagonal nanodisks[J]. Opt Lett. 2009,34(21):3349-3351. [20] Zhang J., Li D., Chen R., et al. Laser cooling of a semiconductor by 40 kelvin[J]. Nature. 2013,493(7433):504-508. [21] Shen J., Sun L. D., Yan C. H. Luminescent rare earth nanomaterials for bioprobe applications[J]. Dalton Transactions. 2008,42(42):5687-5697. [22] Dong H., Sun L., Yan C. Energy transfer in lanthanide upconversion studies for extended optical applications[J]. Chemical Society Reviews. 2015,44(6):1608-1634.

3. 毕业设计(论文)进程安排

2018.12.16-2018.12.31 查阅文献资料及进行文献翻译 2019.1.1-2019.1.17 撰写开题报告、完成开题 2019.1.17-2019.2.7 确定方案、准备器材和原材料 2019.2.7-2019.4.15 用水热法制备稀土离子掺杂的NaBiF4颗粒,进行性能测试和分析表征 2019.4.16-2019.4.30 整理数据、阶段小结、期中交流 2019.5.1-2019.5.15 探索不同稀土离子掺杂浓度比例对样品发光性能的影响,进行性能测试和分析表征 2019.5.15-2019.5.24 实验数据整理和总结 2019.5.25-2019.6.6 撰写和修改论文 2019.6.7-2019.6.14 进行论文答辩

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