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Articles

Vol. 4 (2017)

Self-Assembled Growth of Tail-Like Cluster Composed of Flower-Shaped ZnO Microwires by Chemical Vapor Deposition Method

DOI
https://doi.org/10.15377/2410-4701.2017.04.1
Submitted
December 27, 2017
Published
2017-12-27

Abstract

A self-assembled ZnO tail-like cluster (TC) had been successfully synthesized by a simple chemical vapor deposition method. Scanning electron microscopy observations show that ZnO TC is composed of bushy ZnO microwires with flower-shaped cross sections. Long and narrow furrows can be clearly observed on the surface of the ZnO TC. A possible growth model is proposed to discuss the formation mechanism. The analytical result indicates that the flower-shaped ZnO microwires are formed by the lateral coalescence of ZnO wires at high temperature. The room temperature PL spectrum shows a prominent UV emission band around 380 nm, and no green emission is found, implying that the unique flower-shaped ZnO microwires have high optical quality. This controlled growth of ZnO TC may have implication for potential applications in novel optoelectronic micro/nanodevices in the near future.

References

  1. Hu JT, Odom TW, Lieber CM. Chemistry and physics in one dimension: Synthesis and properties of nanowires and nanotubes. Acc Chem Res 1999; 32: 435-445. https://doi.org/10.1021/ar9700365
  2. Baxter JB, Walker AM, Van Ommering K and Aydil ES. Synthesis and characterization of ZnO nanowires and their integration into dye-sensitized solar cells. Nanotechnology 2006; 17: S304-S312. https://doi.org/10.1088/0957-4484/17/11/S13
  3. Baxter JB and Aydil ES. Dye-sensitized solar cells based on semiconductor morphologies with ZnO nanowires. Sol Energy Mater Sol Cells 2006; 90: 607-622. https://doi.org/10.1016/j.solmat.2005.05.010
  4. Emanetoglu NW, Gorla C, Liu Y, Liang S and Lu Y. Epitaxial ZnO piezoelectric thin films for saw filters. Mater Sci Semicond Process 1999; 2: 247-252. https://doi.org/10.1016/S1369-8001(99)00022-0
  5. Ryu YR, Lee TS, Lubguban JA, White HW, Kim BJ, et al. Next generation of oxide photonic devices: ZnO-based ultraviolet light emitting diodes. Appl Phys Lett 2006; 88: 241108. https://doi.org/10.1063/1.2210452
  6. Hwang DK, Kang SH, Lim JH, Yang EJ, Oh JY, et al. pZnO/n-GaN heterostructure ZnO light-emitting diodes. Appl Phys Lett 2005; 86: 222101. https://doi.org/10.1063/1.1940736
  7. Wang ZL. The new field of nanopiezotronics. Mater. Today 2007; 10: 20-28. https://doi.org/10.1016/S1369-7021(07)70076-7
  8. Suchea M, Christoulakis S, Moschovis K, Katsarakis N and Kiriakidis G. ZnO transparent thin films for gas sensor applications. Thin Solid Films 2006; 515: 551-554. https://doi.org/10.1016/j.tsf.2005.12.295
  9. Roy S and Basu S. Improved zinc oxide film for gas sensor applications. Bull Mater Sci 2002; 25: 513-515. https://doi.org/10.1007/BF02710540
  10. Gao PX and Wang ZL. Self-assembled nanowire-nanoribbon junction arrays of ZnO. J Phys Chem B 2002; 106: 12653- 12658. https://doi.org/10.1021/jp0265485
  11. Lao JY, Wen JG and Ren ZF. Hierarchical ZnO nanostructures. Nano Lett 2002; 2: 1287-1291. https://doi.org/10.1021/nl025753t
  12. Liu F, Cao PJ, Zhang HR, Li JQ and Gao HJ. Controlled selfassembled nanoaeroplanes, nanocombs, and tetrapod-like networks of zinc oxide. Nanotechnology 2004; 15: 949-952. https://doi.org/10.1088/0957-4484/15/8/013
  13. Fang Z, Tang KB, Shen GZ, Chen D, Kong R, et al. Selfassembled ZnO 3D flowerlike nanostructures. Mater Lett 2006; 60: 2530-2533. https://doi.org/10.1016/j.matlet.2006.01.034
  14. Hu JQ, Li Q, Wong NB, Lee CS and Lee ST. Synthesis of uniform hexagonal prismatic ZnO whiskers. Chem Mater 2002; 14: 1216-1219. https://doi.org/10.1021/cm0107326
  15. Wang LS, Zhang XZ, Zhao SQ, Zhou GY, Zhou YL, et al. Synthesis of well-aligned ZnO nanowires by simple physical vapor deposition on c-oriented ZnO thin films without catalysts or additives. Appl Phys Lett 2005; 86: 24108. https://doi.org/10.1063/1.1851607
  16. Jeong JS, Lee JY, Cho JH, Suh HJ and Lee CJ. Singlecrystalline ZnO microtubes formed by coalescence of ZnO nanowires using a simple metal-vapor deposition method. Chem Mater 2005; 17: 2752-2756. https://doi.org/10.1021/cm049387l
  17. Kong YC, Yu DP, Zhang B, Fang W and Feng SQ. Ultraviolet-emitting ZnO nanowires synthesized by a physical vapor deposition approach. Appl Phys Lett 2001; 78: 407-409. https://doi.org/10.1063/1.1342050
  18. Thongtem T, Phuruangrat A and Thongtem S. Characterization of nanostructured ZnO produced by microwave irradiation. Ceram Int 2010; 36: 257-262. https://doi.org/10.1016/j.ceramint.2009.07.027
  19. Sun Y, Ketterson JB and Wong GKL. Excitonic gain and stimulated ultraviolet emission in nanocrystalline zinc-oxide powder. Appl Phys Lett 2000; 77: 2322-2324. https://doi.org/10.1063/1.1316069
  20. Ong HC and Du GT. The evolution of defect emissions in oxygen-deficient and -surplus ZnO thin films: the implication of different growth modes. J Cryst Growth 2004; 265: 471-475. https://doi.org/10.1016/j.jcrysgro.2004.02.010
  21. Vanheusden K, Seager CH, Warren WL, Tallant DR, Caruso J, et al. Green photoluminescence efficiency and free-carrier density in ZnO phosphor powders prepared by spray pyrolysis. J Lumin 1997; 75: 11-16. https://doi.org/10.1016/S0022-2313(96)00096-8