以硝酸铅和硫代氨基脲为最初原料,采用配合物低温水热分解法,制备了半导体 PbS 树枝晶.并用 X 射线粉末衍射(XRD)和 X 射线光电子能谱(XPS)确定所制备粉体为纯 PbS,扫描电子显微镜(SEM)和透射电子显微镜(TEM)表明粉体形貌是树枝晶形,且有 3 次枝晶析出,选区电子衍射(SAED)图案证实晶枝是单晶生长的.同时对PbS 树枝晶的生长机理进行了探讨.
参考文献
| [1] | Alivisatos AP .SEMICONDUCTOR CLUSTERS, NANOCRYSTALS, AND QUANTUM DOTS[J].Science,1996(5251):933-937. |
| [2] | Changhua An;Kaibin Tang;Ying Jin;Jianwei Liu;Hui Lv;Yitai Qian .A simple method to synthesize PbE (E = S, SE) nanocrystals[J].Journal of Crystal Growth,2003(1/4):467-471. |
| [3] | Xusheng Zhao;Ivan Gorelikov;Sergei Musikhin;Sam Cauchi;Vlad Sukhovatkin;Edward H.Sargent;Eugenia Kumacheva .Synthesis and Optical Properties of Thiol-Stabilized PbS Nanocrystals[J].Langmuir: The ACS Journal of Surfaces and Colloids,2005(3):1086-1090. |
| [4] | Dementjev A;Gulbinas V;Valkunas L;Raaben H .Nonlinear absorption of PbS nanocrystals in silicate glass[J].Physica status solidi, B. Basic research,2004(4):945-951. |
| [5] | Debao Wang;Dabin Yu;Mingwang Shao;Xianming Liu;Weichao Yu;Yitai Qian .Dendritic growth of PbS crystals with different morphologies[J].Journal of Crystal Growth,2003(3/4):384-389. |
| [6] | Kluang D B;Xu A W;Fang Y P et al.Surfaetant-assisted growth of novel PbS dendritic nanostructures via facile hydrothermal process[J].Advanced Materials,2003,15:1747-1750. |
| [7] | Jiang P.;Liu ZF.;Cai SM. .Growing monodispersed PbS nanoparticles on self-assembled monolayers of 11-mercaptoundecanoic acid on Au(111) substrate[J].Langmuir: The ACS Journal of Surfaces and Colloids,2002(11):4495-4499. |
| [8] | Jacob B;Garik P .The formation of patterns in non-equilibrium growth[J].NATURE,1990,343:523-528. |
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