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Ultrafast carrier dynamics of near-band-edge emission in single-crystal ZnO nanorods

机译：单晶ZnO纳米棒中近带边缘发射的超快载流子动力学

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摘要

We report on rational synthesis and optical characteristics of highly crystallined ZnO nanorods which were grown by a facile chemical vapor transport method. Temperature-dependent photoluminescence spectra of as-fabricated ZnO nanorods are dominated by near-band-edge emission with a characteristic fine structure due to high crystallinity. Furthermore, the recombination emission involving carrier dynamics of near-band-edge emission in ZnO nanorods was systematically investigated by temperature-dependent time-resolved photoluminescence spectroscopy. Recombination peaks pertaining to the exciton emissions are monitored and resolved in both temporal and spatial regimes.
机译：我们报告了通过简便的化学气相传输方法生长的高度结晶的ZnO纳米棒的合理合成和光学特性。制成的ZnO纳米棒的随温度变化的光致发光光谱主要由具有高结晶度的，具有精细结构的近带边缘发射所主导。此外，通过依赖温度的时间分辨光致发光光谱系统研究了ZnO纳米棒中涉及近带边发射载流子动力学的复合发射。与激子发射有关的重组峰在时间和空间范围内都得到监测和分解。

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  • 来源
    《Materials Research Bulletin》 |2011年第6期|p.937-940|共4页
  • 作者

    Dandan Wang; Guozhong Xing; Xinying Wang; Dongmei Yin; Mi Zhou; Qing Guo; Jinghai Yang; Lili Yang; Jian Cao; Yongsheng Yan;

  • 作者单位

    School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China;

    Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore;

    Department of Civil Engineering, Northeast Dianli University, Jilin 132012, People's Republic of China;

    Department of Physics, Northeast Normal University, Changchun 130024, People's Republic of China;

    State Key Laboratory of Supramolecular Structure and Materials, and Department of Physics, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory of Supramolecular Structure and Materials, and Department of Physics, Jilin University, Changchun 130012, People's Republic of China;

    Department of Physics, Jilin Normal University, Siping 136000, People's Republic of China;

    Department of Physics, Jilin Normal University, Siping 136000, People's Republic of China,Department of Science and Technology, Linkoping University, Campus Norrkoping, SE-601 74 Norrkoping, Sweden;

    Department of Science and Technology, Linkoping University, Campus Norrkoping, SE-601 74 Norrkoping, Sweden;

    School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    a. semiconductors; b. vapor deposition; d. optical properties;

    机译：一个。半导体;b。气相沉积;d。光学性质;

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