碲化镉纳米线的制备和生长机理分析Growth of CdTe Nanowires and Analyse of Growth Mechanism
姜海涛,郑毓峰,简基康,孙言飞,陈艳华
摘要(Abstract):
利用物理气相沉积方法,在S i衬底上制备了CdT e纳米线和纳米晶.X射线衍射(XRD)和扫描电子显微镜(SEM)研究表明所得产物为四方结构CdT e.CdT e纳米线的直径约20nm,长度约为几个微米,纳米晶粒径约为100 nm.分析了载流气体流速、温度等因素对过饱和度的影响,进而影响低维纳米材料的形貌结构.
关键词(KeyWords): 物理气相沉积(PVD);CdTe;纳米线;纳米晶;生长机理
基金项目(Foundation): 国家自然科学基金资助项目(50062002)
作者(Author): 姜海涛,郑毓峰,简基康,孙言飞,陈艳华
参考文献(References):
- [1]Y ang P D,W u Y Y,F an R.Ignorgan ic Sem iconductor nanow ires[J].In ternation J N anosc ien,2002,1:1-39.
- [2]K im J R,So H M,park JW,K im J J,et a l.E lectrica l T ransport port properties of ind iv idua l ga llium n itride nanow iressyn thes ized by CVD m ethod[J].A pp l Phys L ett,2002,80:3548-3550.
- [3]M a D D,L ee C S,A u F C K,et a l.Sm a ll-D iam eter S ilicon N anow ire Surfaces[J].Sc ience,2003,299:1874-1877.
- [4]Lv R T,C ao C B,G uo Y J,et a l.P reparation of ZnS nanotubes v ia surfactan t m ice lle-tem p late induc ing reaction[J].JM ater Sc i,2004,39:1575-1578.
- [5]Huang M H,W Y Y,F e ick H,et a l.C ata lytic G row th of Z inc O x ide N anow ires by V apor T ransport[J],A dv M ater,2001,13:113-116.
- [6]Huang M H,M ao S,F e ick H,et a l.R oom-T em perature U ltrav io let N anow ire N ano lasers[J].Sc ience,2001,292:1892-1899.
- [7]G ao T,W ang T H,C ata lyst-A ss isted V apor-L iqu id-So lid G row th of S ing le-C rysta lN ano-be lts and T he ir Lum inescenceP roperties[J].J Phys Chem B,2004,108:20045-20049.
- [8]W u X C,T ao Y R.G row th of CdS nanow ires by phys ica l vapor depos ition[J].J C rysta l G row th,2002,242:309-312.
- [9]Lv R T,C ao C B,Zha i H Z,et a l.Syn thes is and Characterization of Sem iconductor Z inc Su lfide nanotubes by soft-tem p late m ethod[J].Ch inese Sc ience Bu lletin,2004,49(10):1005-1008.
- [10]Lv R T,C ao C B,Zha i H Z,et a l.G row th and Characterization of s ing le-crysta l ZnSe nanorods v ia surfactan t soft-tem p late m ethod[J].So lid S tate Comm un ication,2004,130:241-245.
- [11]X u D S,Sh i X S,G uo G L,et a l.E lectrochem i-C a l P reparation of CdSe N anow ire A rrays[J].J Phys Chem B,2000,104:5061-5063.
- [12]K um ar S,A de M,N ann T.Syn thes is and structura l M eta lastab ility of CdT e N anow ires[J].Chem Eur J,2005,11:2220-2224.
- [13]V o lkon Y,M itche ll S,G apon ik N,et a l.In-S itu O bservation of N anow ires G row th from Lum inescen t CdT eN anocrysta ls in a Phosphate Bu ffer So lu tion[J].Chem Phys Chem,2004,5:1600-1602.
- [14]W agner R S,E llisW C.V apor-L iqu id-So lid M echan ism of S ing le C rysta l G row th[J].A pp l Phys L ett,1964,4:89-90.
- [15]G ao P X,W ang Z L.Se lf-A ssem b led N anow ire-N anoribbon Junction A rrays of ZnO[J].J Phys Chem B,2002,106,12653-12658.
- [16]谢高阳.无机化学丛书[M].第九卷,北京:科学出版社,360.
- [17]张克从,张乐氵惠.晶体生长科学与技术(上册).凝聚态物理丛书[M].北京:科学出版社,1997.
- [18]翁臻培,周志朝,李中和.结晶学[M].北京:中国建筑工业出版社,1986.
- [19]W e im er A W.C arb ide,N itride and BorideM ateria ls Syn thes is and P rocess ing[M].Chapm an and H a ll,London,1998.