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Mn:ZnSe/ZnS核-壳结构纳米晶的无膦法制备和光学性质 被引量：2

Phosphine-free synthesis and optical properties of Mn:ZnSe/ZnS core/shell nanocrystals
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摘要 以溶于十八烯的Se作为Se前驱体,在无膦条件下制备得到了具有较高量子产率的Mn:ZnSe纳米晶.为了进一步提高纳米晶的稳定性和发光强度,运用外延生长的方法进行ZnS壳层包覆并得到了具有核-壳结构的Mn:ZnSe/ZnS纳米晶.X射线衍射、透射电子显微镜及吸收和荧光光谱测试结果表明,该方法合成的Mn:ZnSe纳米晶以及核-壳结构Mn:ZnSe/ZnS纳米晶均为闪锌矿结构,具有良好的单分散性,包覆ZnS外壳层后量子产率可达到60%以上.此外,对ZnS壳层厚度和Mn2+的掺杂量对Mn:ZnSe/ZnS纳米晶发光强度的影响及发光机制也进行了初步讨论. High quality Mn：ZnSe/ZnSe nanocrystals were successfully synthesized using an environmentally friendly method. Selenium powder was dissolved directly into octadecene to form Se precursor without the assistance of phosphine complexes. To improve the quantum yield （QY） and stability of as-synthesized nanocrystals, ZnS shell was introduced by epitaxy growth technique to form Mn：ZnSe/ZnS core-shell nanocrystals. Absorption spectroscopy, photoluminescence （PL） spectroscopy, X-ray diffaraction, and transmission electron microscopy were used to characterize the property and structure of as-synthesized nanocrystals. The results demonstrated that both Mn：ZnSe and Mn：ZnSe/ZnS have a good monodispersity with cubic zinc blende structures. The PL QY of as-synthesized Mn：ZnSe/ZnS nanocrystals could reach as high as 60%. The fundamental mechanism and effects of ZnS shell thickness and Mn2＋ dopant concentration on the PL emission were also discussed preliminarily.
作者 申怀彬 赵慧玲 王洪哲 刘成柏 邢茗 齐晓娟 李林松 陈霞
机构地区 吉林大学生命科学学院 河南大学特种功能材料教育部重点实验室
出处 《中国科学：化学》 CAS CSCD 北大核心 2011年第5期834-839,共6页 SCIENTIA SINICA Chimica
基金 河南省创新型科技人才队伍建设工程(084200510013) 教育部留学回国人员科研启动基金(2008-890)资助
关键词 无膦法 纳米晶 Mn:ZnSe/ZnS 发光性质 phosphine-free method nanocrystal Mn：ZnSe/ZnS optical properties
分类号 TB383.1 [一般工业技术—材料科学与工程]
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参考文献25

  • 1Huynh WU, Dittmer JJ, Alivisatos AP. Hybrid nanorod-polymer solar cells. Science, 2001, 295:2425-2427.
  • 2Peng P, Milliron DJ, Hughes SM, Johnson JC, Alivisatos AP, Saykally RJ. Femtosecond spectroscopy of carrier relaxation dynamics in type II CdSe/CdTe tetrapod heteronanostructures. Nano Lett, 2005, 5:1809-1813.
  • 3Medintz IL, Uyeda HT, Goldman ER, Mattoussi H. Quantum dot bioconjugates for imaging, labelling and sensing. Nat Mater, 2005, 4: 435-446.
  • 4Gur I, Fromer NA, Geierand ML, Alivisatos AP. Air-stable all-inorganic nanocrystal solar cells processed from solution. Science, 2005, 310: 462-465.
  • 5Coe S, Woo WK, Bawendi M, Bulovic V. Electroluminescence from single monolayers of nanocrystals in molecular organic devices. Nature, 2002, 420:800-803.
  • 6Kazes M, Lewis DY, Ebenstein Y, Mokari T, Banin U. Lasing from semiconductor quantum rods in a cylindrical microcavity. Adv Mater, 2002, 14:317-321.
  • 7Talapin DV, Murray CB. PbSe nanocrystal solids for n- and p-channel thin film field-effect transistors. Science, 2005, 310:86-89.
  • 8Hart MY, Gao XH, Su JZ, Nie SM. Quantum-dot-tagged microbeads for multiplexed optical coding of biomolecules. Nature Biotech, 2001, 19:631-635.
  • 9Shen HB, Wang HZ, Tang ZJ, Niu JZ, Lou SY, Du ZL, Li LS. High quality synthesis of monodisperse zinc-blende CdSe and CdSe/ZnS nanocrystals with a phosphine-free method. CrystEngComm, 2009, 11:1733-1738.
  • 10Shen liB, Wang HZ, Li XM, Niu JZ, Chen X, Li LS. Phosphine-free synthesis of high quality ZnSe, ZnSe/ZnS, and Cu-, Mn-doped ZnSe nanocrystals. Dalton Trans, 2009, 10534-10540.

二级参考文献87

  • 1靳春明,侯尚公,窦恺,赵家龙,陈一民,黄世华,虞家琪.Mn^(2+)离子掺杂的纳米尺寸ZnS半导体超微粒的制备和光学性质[J].科学通报,1995,40(16):1452-1454. 被引量：5
  • 2Oberdorster G, Oberdorster E, Oberdorster J. Nanotoxicology: An emerging discipline evolving from studies of ultrafine particles. Environ Health Perspect, 2005, 113(7): 823-839.
  • 3Nel A, Xia T, Madler L, Li N. Toxic potential of materials at the nanolevel. Science, 2006, 311(5761): 622-627.
  • 4Gao X H, Cui Y Y, Levenson R M, Chung L W K, Nie S M. In vivo cancer targeting and imaging with semiconductor quantum dots. Nat Biotechnol, 2004, 22(8): 969- 976.
  • 5Alivisatos P. The use of nanocrystals in biological detection. Nat Biotechnol, 2004, 22(1): 47- 52.
  • 6Michalet X, Pinaud F F, Bentolila L A, Tsay J M, Doose S, Li J J, Sundaresan G, Wu A M, Gambhir S S, Weiss S. Quantum dots for live cells, in vivo imaging, and diagnostics. Science, 2005, 307(5709): 538- 544.
  • 7Howarth M, Takao K, Hayashi Y, Ting A Y. Targeting quantum dots to surface proteins in living cells with biotin ligase. Proc Natl Acad Sci USA, 2005, 102(21): 7583-7588.
  • 8Dabbousi B O, RodriguezViejo J, Mikulec F V, Heine J R, Mattoussi H, Ober R, Jensen K F, Bawendi M G. (CdSe)ZnS core-shell quantum dots: Synthesis and characterization of a size series of highly luminescent nanocrystallites. J Phys Chem B, 1997, 101(46): 9463-9475.
  • 9Hines M A, Guyot-Sionnest P. Synthesis and characterization of strongly luminescing ZnS-capped CdSe nanocrystals. J Phys Chem, 1996, 100(2): 468-471.
  • 10Bruchez Jr M, Moronne M, Gin P, Weiss S, Alivisatos A P. Semiconductor nanocrystals as fluorescent biological labels. Science, 1998, 281 (5385): 2013- 2016.

共引文献20

同被引文献29

  • 1Bhargava R N, Gallagher D, Hong X, Nunnikko A. Optical properties of manganese-doped nanocrystals of ZnS[J] . Phys Rev Lett,1994,72(3) :416419.
  • 2Radovanovic P V , Barrelet CJ , Gradecak S, Qian F, Lieber C M. General synthesis of manganese-doped II-VI and Ill?V semiconductor nanowires[J]. Nano Lett, 2005 , 5 (7 ) : 1407-1411.
  • 3im D S,Cho YJ,ParkJ,et(Mn,Zn) Co-Doped CdS Nanowires[J] . 1 Phys Chem C, 2007 , 111 (29) : 10861- 10868.
  • 4Mahamuni S, lad AD, Patole S, Photoluminescence Prop?erties of Manganese-Doped Zinc Selenide Quantum Dots[J].1 Phys Chem C,2008,1l2(7) :2271-2277.
  • 5Pradhan N , Peng X. Efficient and color-tunable Mn-doped znSe nanocrystal emitters: Control of optical performance via greener synthetic chemistry[J] . 1 Am Chem Soc ,2007 , 129( 11) :3339-3347.
  • 6Pradhan N, Battaglia D M, Liu Y, Peng X. Efficient, sta?ble, small, and water-soluble doped znSe nanocrystal emit?ters as non-cadmium biomedical labels[J]. Nano Lett, 2007,7(2) :312-317.
  • 7Mikulec F V, Kuno M, Bennati M, etOrganometailic Syn?thesis and Spectroscopic Characteriza-tion of Manganese?Doped CdSe Nanocrystals[J].1 Am Chem Soc,2000,122 (11) :2532-2540.
  • 8Nonnan TJ, Magana D, Wilson T, et al. Optical and Sur?face Structural Properties of Mn2+ -Doped ZnSe Nanoparti- cles] 1]. 1 Phys Chem B ,2003,107(26) :6309-6317.
  • 9Erwin S C, Zu L, Haftel M I, etDoping semiconductor Nanocrystals[J]. Nature ,2005,436 :91 94.
  • 10Fang Z,Li Y,Zhang H,Zhong X H,Zhu L Y. Facile Syn?thesis of Highly Luminescent UV-Blue-Emitting ZnSe/ zes Core/Shell Nanocrystals in Aqueous Media[J]. 1 Phys Chem C,2OO9,113(32) :14145-14150.

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中国科学：化学
2011年 第5期

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