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[en] We have fabricated Eu3+-doped ZnO (ZnO:Eu3+) nanocrystals with different size and shape (nanospheres and nanorods) by a reverse micelle method and have studied their photoluminescence (PL) properties. The ZnO:Eu3+ nanospheres and nanorods exhibit the PL due to intra-4f transitions of the Eu3+ ions under direct photoexcitation of Eu3+ ions and the charge-transfer states. The excitation energy and temperature dependence of the PL spectra of the ZnO:Eu3+ nanospheres and nanorods are studied, and the excitation mechanism of the Eu3+ ions is discussed
Journal
Materials Science and Engineering. B, Solid-State Materials for Advanced Technology; ISSN 0921-5107; 
; CODEN MSBTEK; v. 146(1-3); p. 212-215
; CODEN MSBTEK; v. 146(1-3); p. 212-215