本文采用反相微乳液法制备了核壳结构的ZnS:Mn/ZnS纳米微粒.为了获得具有一定水溶性及生物相容性的纳米颗粒,巯基乙酸被直接加入到反相微乳液体系中对ZnS:Mn/ZnS纳米颗粒进行表面改性.连接上巯基乙酸的ZnS:Mn/ZnS纳米微粒在600nm处的光致发光明显增强.实验结果显示导致荧光增强的机理可能是有机分子及多核锌配合物的钝化作用.
参考文献
| [1] | Bruchez;Marcel J et al.Semiconductor Nanocrystals as Fluorescent Biological Labels[J].Science,1998,281:2013-2016. |
| [2] | Srikant Pathak;Soo-Kyung Choi;Norman Arnheim .Hydroxylated Quantum Dots as Luminescent Probes for in Situ Hybridization[J].Journal of the American Chemical Society,2001(17):4103-4104. |
| [3] | Goldman ER.;Anderson GP.;Tran PT.;Mattoussi H.;Charles PT.;Mauro JM. .Conjugation of luminescent quantum dots with antibodies using an engineered adaptor protein to provide new reagents for fluoroimmunoassays[J].Analytical chemistry,2002(4):841-847. |
| [4] | Willard;Dale M;Mutschler et al.Directing Energy Flow through Quantum Dots:Towards Nanoscale Sensing[J].Analytical and Bioanalytical Chemistry,2006,384:564-571. |
| [5] | Xiaogang Peng;Michael C. Schlamp;Andreas V. Kadavanich .Epitaxial Growth of Highly Luminescent CdSe/CdS Core/Shell Nanocrystals with Photostability and Electronic Accessibility[J].Journal of the American Chemical Society,1997(30):7019-7029. |
| [6] | V V Nikesh;Shailaja Mahamuni .Highly photoluminescent ZnSe/ZnS quantum dots[J].Semiconductor Science and Technology,2001(8):687-690. |
| [7] | Kubo T.;Isobe T.;Senna M. .Enhancement of photoluminescence of ZnS : Mn nanocrystals modified by surfactants with phosphate or carboxyl groups via a reverse micelle method[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2002(1):39-45. |
| [8] | Konishi M.;Senna M.;Isobe T. .Enhancement of photoluminescence of ZnS : Mn nanocrystals by hybridizing with polymerized acrylic acid[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2001(1):1-8. |
| [9] | Wu X;Liu H;Liu J;Haley KN;Treadway JA;Larson JP;Ge N;Peale F;Bruchez MP .Immunofluorescent labeling of cancer marker Her2 and other cellular targets with semiconductor quantum dots.[J].Nature biotechnology,2003(1):41-46. |
| [10] | Gao XH;Cui YY;Levenson RM;Chung LWK;Nie SM .In vivo cancer targeting and imaging with semiconductor quantum dots[J].Nature biotechnology,2004(8):969-976. |
| [11] | Kim Sungjee;Lim Yong Taik;Soltesz;Edward G et al.Near-infrared Fluorescent Type Ⅱ Quantum Dots for Sentinel Lymph Node Mapping[J].Nature Biotechnology,2004,22:93-97. |
| [12] | Goering P L;Waalkes M P.Handbook of Experimental Pharmacology[M].New York:Springer-Verlag,1994:115,189. |
| [13] | Bhargava R N;Gallagher D;Hong X .Optical Properties of Manganese-doped Nanocrystals of ZnS[J].Physical Review Letters,1994,72:416-419. |
| [14] | Ollinger M;Craciun V;Singh R K .Nanoencapsulation of ZnS:Ag Particulates with Indium Tin Oxide for Field Emission Displays[J].Applied Physics Letters,2002,80(11):1927. |
| [15] | S. C. Qu;W. H. Zhou;F. Q. Liu;N. F. Chen;Z. G. Wang;H. Y. Pan;D. P. Yu .Photoluminescence properties of Eu~(3+)-doped ZnS nanocrystals prepared in a water/methanol solution[J].Applied physics letters,2002(19):3605-3607. |
| [16] | Peng WQ;Qu SC;Cong GW;Zhang XQ;Wang ZG .Optical and magnetic properties of ZnS nanoparticles doped with Mn2+[J].Journal of Crystal Growth,2005(1/2):179-185. |
| [17] | N. Karar;F. Singh;B. R. Mehta .Structure and photoluminescence studies on ZnS:Mn nanoparticles[J].Journal of Applied Physics,2004(2):656-660. |
| [18] | Heesun Yang;Paul H. Holloway;Banahalli B. Ratna .Photoluminescent and electroluminescent properties of Mn-doped ZnS nanocrystals[J].Journal of Applied Physics,2003(1):586-592. |
| [19] | Zhang H;Zhou Z;Yang B et al.The Influence of Carboxyl Groups on the Photoluminescence of Mercaptocarboxylic Acid-stabilized CdTe Nanoparticles[J].Journal of Physical Chemistry B,2003,107(01):8-13. |
| [20] | Shavel A;Gaponik N;Eychmuller A et al.Efficient UV-blue Photoluminescing Thiol-stabilized Water-soluble Alloyed ZnSe(S) Nanocrystals[J].Journal of Physical Chemistry B,2004,108:5905-5908. |
| [21] | Chen XD;Wang XB;Liu L;Yang DC;Fan L .Functionalized semiconductor nanocrystals for ultrasensitive detection of peptides[J].Analytica chimica acta,2005(2):144-150. |
| [22] | Gao M Y;Kirstein;Stefan et al.Strongly Photoluminescent CdTe Nanocrystals by Proper Surface Modification[J].Journal of Physical Chemistry B,1998,102(43):8360-8363. |
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