Nanosheet‐Based Microspheres of Eu 3+ ‐doped ZnO with Efficient Energy Transfer from ZnO to Eu 3+  at Room Temperature | Zendy

Zeng X. | Zendy; Yuan J. | Zendy; Wang Z. | Zendy; Zhang L. | Zendy

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Nanosheet‐Based Microspheres of Eu 3+ ‐doped ZnO with Efficient Energy Transfer from ZnO to Eu 3+ at Room Temperature

Author(s) -

Zeng X.,

Yuan J.,

Wang Z.,

Zhang L.

Publication year - 2007

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200602396

Subject(s) - nanosheet , materials science , microsphere , doping , pyrolysis , conduction band , energy transfer , nanotechnology , chemical engineering , optoelectronics , engineering physics , physics , quantum mechanics , engineering , electron

Nanosheet‐based microspheres of ZnO:Eu (see figure) are fabricated via pyrolysis of Zn 5 (OH) 6 (CO 3 ) 2 hierarchical microspheres. Efficient ZnO→Eu 3+ energy transfer is observed, which is attributed to surface defects at the nonpolar [11?00] surface of a ZnO nanosheet that couples with Eu 3+ and stabilizes the Eu 2+ trap level just below the conduction band of ZnO.

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