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Jia JK, Luo L, Zhang W, et al. [Room temperature ultraviolet stimulated emission of ZnO nanocrystals]. Guang Pu Xue Yu Guang Pu Fen Xi. 2010;30(9):2525-8
Jia, J. K., Luo, L., Zhang, W., Huang, F. Y., Dai, Q. Q., Ding, C. R., & Wang, H. Z. (2010). [Room temperature ultraviolet stimulated emission of ZnO nanocrystals]. Guang pu xue yu guang pu fen xi = Guang pu, 30(9), 2525-8.
Jia, Ji-kuo, et al. "[Room temperature ultraviolet stimulated emission of ZnO nanocrystals]." Guang pu xue yu guang pu fen xi = Guang pu vol. 30,9 (2010): 2525-8.
Jia JK, Luo L, Zhang W, Huang FY, Dai QQ, Ding CR, Wang HZ. [Room temperature ultraviolet stimulated emission of ZnO nanocrystals]. Guang Pu Xue Yu Guang Pu Fen Xi. 2010 Sep;30(9):2525-8. Chinese. PMID: 21105432.
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Guang Pu Xue Yu Guang Pu Fen Xi. 2010 Sep;30(9):2525-8.

[Room temperature ultraviolet stimulated emission of ZnO nanocrystals].

Guang pu xue yu guang pu fen xi = Guang pu

[Article in Chinese]
Ji-kuo Jia, Li Luo, Wei Zhang, Fang-ying Huang, Qiang-qin Dai, Cai-rong Ding, He-zhou Wang

Affiliations

  1. School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China. [email protected]

PMID: 21105432

Abstract

The characteristics of the exciton in ZnO is essential to the development of ZnO-based optoelectronic devices, therefore it is critical to study the optical properties of exciton and transition process in ZnO quantum dot. In the present work, zinc oxide nanocrystals were prepared by the sol-gel method. X-ray diffraction (XRD) pattern shows that they have a hexagonal wurtzite structure. The pumping power dependent UV emission and their dynamics were studied, the spontaneous emission of the free exciton and the stimulated emission due to exciton-exciton collision and electron hole plasmon were observed, and the pumping power dependent dynamics was reported for the first time. This is helpful for us to understand the near-band-edge excitonic emission, and might be valuable in the realization of semiconductor UV diode.

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