Facile synthesis of flowerlike Cu2O nanoarchitectures by a solution phase route

被引:154
作者
Luo, Yongsong [1 ]
Li, Suqin
Ren, Qinfeng
Liu, Jinping
Xing, Lanlan
Wang, Yan
Yu, Ying
Jia, Zhijie
Li, Jialin
机构
[1] Cent China Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
[2] Xinyang Normal Univ, Dept Phys Elect Engn, Xinyang 464000, Peoples R China
关键词
D O I
10.1021/cg060491k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Novel flowerlike nanostructures consisting of Cu2O nanopetals were successfully synthesized by a facile wet chemical method for the first time. The synthesized products were systematically studied by X-ray powder diffraction, scanning electron microscopy, and transmission electron microscopy. The results showed that the nucleation and growth of the nanoflowers were governed by a nucleation-dissolution-recrystallization growth mechanism. It is noteworthy that the initially formed Cu2O nanoparticles without addition of NaOH were crucial to the growth of the final nanoarchitectures. A UV-vis spectrum was used to estimate the band gap energies of the nanoflowers. Further control experiments were also carried out to investigate the factors that impact the morphology and size of the products. It was demonstrated that the concentrations of NaOH and cetyltrimethylammonium bromide (CTAB) play key roles in the formation of the as-synthesized nanoflowers. By adjusting the concentration of NaOH and CTAB, temperature, and the quantity of water, Cu2O micrograss, nanorods, and pricky microrods can be synthesized accordingly. Our stepwise synthetic method may shed some light on the design of other well-defined complex nanostructures.
引用
收藏
页码:87 / 92
页数:6
相关论文
共 45 条
[1]   Shape-controlled synthesis of colloidal platinum nanoparticles [J].
Ahmadi, TS ;
Wang, ZL ;
Green, TC ;
Henglein, A ;
ElSayed, MA .
SCIENCE, 1996, 272 (5270) :1924-1926
[2]   A controllable synthetic route to Cu, Cu2O, and CuO nanotubes and nanorods [J].
Cao, MH ;
Hu, CW ;
Wang, YH ;
Guo, YH ;
Guo, CX ;
Wang, EB .
CHEMICAL COMMUNICATIONS, 2003, (15) :1884-1885
[3]   Formation of colloidal CuO nanocrystallites and their spherical aggregation and reductive transformation to hollow CU2O nanospheres [J].
Chang, Y ;
Teo, JJ ;
Zeng, HC .
LANGMUIR, 2005, 21 (03) :1074-1079
[4]   Manipulative synthesis of multipod frameworks for self-organization and self-amplification of Cu2O microcrystals [J].
Chang, Y ;
Zeng, HC .
CRYSTAL GROWTH & DESIGN, 2004, 4 (02) :273-278
[5]  
Cotton FA, 1980, ADV INORGANIC CHEM
[6]   LARGE-SCALE SYNTHESIS OF CARBON NANOTUBES [J].
EBBESEN, TW ;
AJAYAN, PM .
NATURE, 1992, 358 (6383) :220-222
[7]   Direct observation of the growth process of MgO nanoflowers by a simple chemical route [J].
Fang, XS ;
Ye, CH ;
Zhang, LD ;
Zhang, JX ;
Zhao, JW ;
Yan, P .
SMALL, 2005, 1 (04) :422-428
[8]   Is the template of self-colloidal assemblies the only factor that controls nanocrystal shapes? [J].
Filankembo, A ;
Pileni, MP .
JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (25) :5865-5868
[9]   TEMPLATE-SYNTHESIZED NANOSCOPIC GOLD PARTICLES - OPTICAL-SPECTRA AND THE EFFECTS OF PARTICLE-SIZE AND SHAPE [J].
FOSS, CA ;
HORNYAK, GL ;
STOCKERT, JA ;
MARTIN, CR .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (11) :2963-2971
[10]   A rapid hydrothermal route to sisal-like 3D ZnO nanostructures via the assembly of CTA+ and Zn(OH)2-4:: growth mechanism and photoluminescence properties [J].
Ge, JC ;
Tang, B ;
Zhuo, LH ;
Shi, ZQ .
NANOTECHNOLOGY, 2006, 17 (05) :1316-1322