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Issue 34, 2018
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Rare-earth-doped yttrium oxide nanoplatelets and nanotubes: controllable fabrication, topotactic transformation and upconversion luminescence

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Abstract

A series of tetragonal nanoplatelet precursors with various Y/Yb/Er ratios can be successfully prepared in large quantities via a facile hydrothermal method using trimethylamine (TEA) as a hydrolysis reagent. Interestingly, tubular precursors can also be produced with the surfactant sodium dodecyl sulfate (SDS). Moreover, the nanoplatelets and nanotubes topotactically convert into corresponding oxides through a calcination process at 650 °C for 2 h, and the original platelet-like and tubular morphologies are perfectly maintained. The luminescence properties of as-prepared Y2O3 are sensitively influenced by the dopant concentration. In addition, the doped Y2O3 nanoplatelets exhibit a stronger intensity than the nanotubes in the excitation and emission spectra. The rare-earth-doped Y2O3 precursors are promising candidates for potential applications in photonics, optics and display devices.

Graphical abstract: Rare-earth-doped yttrium oxide nanoplatelets and nanotubes: controllable fabrication, topotactic transformation and upconversion luminescence

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Publication details

The article was received on 07 May 2018, accepted on 20 Jul 2018 and first published on 23 Jul 2018


Article type: Paper
DOI: 10.1039/C8CE00749G
Citation: CrystEngComm, 2018,20, 5025-5032
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    Rare-earth-doped yttrium oxide nanoplatelets and nanotubes: controllable fabrication, topotactic transformation and upconversion luminescence

    Y. Xiao, G. Chen, X. Liu, M. Bai, N. Zhang, W. Ma and R. Ma, CrystEngComm, 2018, 20, 5025
    DOI: 10.1039/C8CE00749G

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