以巯基乙酸(HSCH2COOH)为稳定剂,采用水热法合成了分散性好的ZnS∶ Er纳米晶,分别利用XRD、TEM,荧光光谱仪对其物相,形貌及光学性能进行了研究.结果表明:ZnS∶ Er纳米晶为闪锌矿ZnS结构,颗粒近似球形,平均粒度为5 ～8 nm.当Er3+掺杂摩尔浓度为6％,稳定剂巯基乙酸添加摩尔分数为2％,合成温度为120℃条件下得到了发光性能较好的Er离子掺杂ZnS纳米晶材料,并对其发光机理进行了探讨.
参考文献
| [1] | Wang Zhan-Guo;Chen Yong-Hfai;Liu Feng-Qi .Self-assembled quantum dots, wires and quantum-dot lasers[J].Journal of Crystal Growth,2001(0):1132-1139. |
| [2] | 李志华,牟照晶,刘倩.Fe_3O_4单晶纳米棒和量子点的水热合成与表征[J].人工晶体学报,2009(05):1170-1174. |
| [3] | Li, L.;Cai, X.;Lu, Y.;Ding, Y.;Cheng, Y..Synthesis of Mn-modified CdTe nanoparticles and their application as fluorescence probe[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2013:436-441. |
| [4] | Austin M. Derfus;Warren C. W. Chan;Sangeeta N. Bhatia .Probing the Cytotoxicity of Semiconductor Quantum Dots[J].Nano letters,2004(1):11-18. |
| [5] | Cho SJ;Maysinger D;Jain M;Roder B;Hackbarth S;Winnik FM .Long-term exposure to CdTe quantum dots causes functional impairments in live cells[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(4):1974-1980. |
| [6] | 余长林,李鑫,周晚琴,樊启哲,魏龙福,陈建钗.Al3+掺杂ZnS纳米晶的合成、表征及其光催化性能[J].人工晶体学报,2013(12):2620-2626. |
| [7] | 孙聪,黄风华.L-半胱氨酸修饰的ZnS∶Co/ZnS量子点的合成及表征[J].人工晶体学报,2013(10):2028-2032. |
| [8] | Pradhan N;Battaglia DM;Liu YC;Peng XG .Efficient, stable, small, and water-soluble doped ZnSe nanocrystal emitters as non-cadmium biomedical labels[J].Nano letters,2007(2):312-317. |
| [9] | He Liu;Bo Zhang;Huaqiang Shi;Kui Jiao;Xun Fu .Biomolecule-Assisted Hydrothermal Synthesis ZnSe Nanocrystallites and Its Application as Oligonucleotides Label[J].Journal of Dispersion Science and Technology,2009(4):495-499. |
| [10] | Buse, G.;Preda, E.;Stef, M.;Nicoara, I. .Influence of Yb~(3+) ions on the optical properties of double-doped Er,Yb: Ca_F2 crystals[J].Physica Scripta: An International Journal for Experimental and Theoretical Physics,2011(2):025604-1-025604-5. |
| [11] | Rogach Andrey L.;Gao Mingyuan;Eychmueller Alexander;Weller Horst;Kornowski Andreas .Synthesis and characterization of a size series of extremely small thiol-stabilized CdSe nanocrystals[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,1999(16):3065-3069. |
| [12] | PANG Tao,CAO WangHe.Up-conversion luminescence of Er3+ doped and Er3+/Yb3+ co-doped YTaO4[J].科学通报(英文版),2008(02):178-182. |
| [13] | 汪寅强,李冬梅,桑文斌,姚渊,杨国威.功能化ZnS：Mn/ZnS纳米微粒的制备及光学性质的研究[J].人工晶体学报,2007(04):759-763,736. |
| [14] | 孙伟,钟江华,张灿英,江宏,焦奎.巯基乙酸修饰ZnS纳米颗粒的水相合成及表征[J].过程工程学报,2007(05):984-988. |
| [15] | 陈菊,丁玲红,张伟风.Ln2Sn2O7∶Er3+纳米晶的制备及发光性能研究[J].发光学报,2013(11):1451-1456. |
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