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We have fabricated Eu 3+ -doped ZnO (ZnO:Eu 3+ ) nanocrystals with different size and shape (nanospheres and nanorods) by a reverse micelle method and have studied their photoluminescence (PL) properties. The ZnO:Eu 3+ nanospheres and nanorods exhibit the PL due to intra-4f transitions of the Eu 3+ ions under direct photoexcitation of Eu 3+ ions and the charge-transfer...
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