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Preparation of Ultraviolet Light Emitting ZnO Nanoparticles Via a Novel Synthesis Route

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Abstract

A new synthesis methodology is utilized to prepare ZnO nanoparticles with a narrow size distribution between 2 to 4 nm. The particle growth is found to be reaction time dependent. The dry powders of ZnO nanoparticles show a strong blue-shifted near-band-edge ultraviolet emission, and the size and size distribution of the particles did not exhibit noticeable change during solvent evaporation. Raman spectra show ZnO \(E_2^2\) (TO) phonon mode and other vibration modes that are attributed to the bound acetate group. The CO stretching mode in the Raman spectra is red-shifted to 1401 cm−1, indicating a strong adsorption of the acetate ligands onto ZnO surfaces.

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Acknowledgments

We would like to thank Institute of Materials Research and Engineering in Singapore for their help in micro-PL and micro-Raman measurements. Use of the TAMU/CIMS Materials Characterization Facility and Dr. R. M. Crooks is acknowledged. Special thanks are given to KANEKA Corporation for their financial support of this research.

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Authors and Affiliations

  1. Polymer Technology Center, Department of Mechanical Engineering, Texas A&M University, College Station, TX, 77843-3123, USA

    Yuntao Li & H.-J. Sue

  2. Department of Chemistry, Texas A&M University, College Station, Texas, 77843, USA

    Richard D. Yang

  3. Institute of Materials Research and Engineering, 3 Research Link, Singapore, 117602

    S. Tripathy

  4. KANEKA Texas Corporation, Pasadena, TX, 77057, USA

    N. Miyatake

  5. KANEKA Corporation, Hyogo, Japan, 676-8688

    R. Nishimura

Authors
  1. Yuntao Li
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  2. Richard D. Yang
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  3. S. Tripathy
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  4. H.-J. Sue
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  5. N. Miyatake
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  6. R. Nishimura
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Li, Y., Yang, R.D., Tripathy, S. et al. Preparation of Ultraviolet Light Emitting ZnO Nanoparticles Via a Novel Synthesis Route. MRS Online Proceedings Library 829, 356–360 (2004). https://doi.org/10.1557/PROC-829-B8.4

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  • DOI: https://doi.org/10.1557/PROC-829-B8.4

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