Issue 45, 2012
From the journal:

Dalton Transactions

One-pot solvothermal synthesis of uniform layer-by-layer self-assembled ultrathin hexagonal Gd2O2S nanoplates and luminescent properties from single doped Eu3+ and codoped Er3+, Yb3+

Jie Liu,abc   Hongde Luo,abc   Pujun Liu,abc   Lixian Han,abc   Xiao Zheng,abc   Bo Xuabc  and  Xibin Yu*abc  

* Corresponding authors

a Department of Chemistry, Shanghai Normal University, Shanghai 200234, People's Republic of China

b The Education Ministry Key Laboratory of Resource Chemistry, Shanghai Normal University, Shanghai 200234, People's Republic of China

c Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, People's Republic of China
E-mail: xibinyu@shnu.edu.cn
Fax: +86-21-64324528

Abstract

Uniform Gd2O2S flower-like nano-assemblies were prepared through one-pot mild solvothermal synthesis. The parallel nanoplates are the building blocks, ∼3 nm in thickness and 20–30 in diameter. Ethanediamine, the main solvent, plays an important role in dissolving a large amount of sulphur and producing active S2− ions, which results in the direct formation of Gd2O2S. Oleylamine, the capping agent, controls the growth of the plate-like structure. Under UV excitation, the Gd2O2S:Eu3+ nano-phosphor shows good red luminescence with a main emission peak at 627 nm. Under 980 nm laser excitation, Gd2O2S:xYb3+,1%Er3+ nano-phosphors exhibit a tuneable emission, shifting from greenish-yellow to orange-yellow, with increasing Yb3+ content.

Graphical abstract: One-pot solvothermal synthesis of uniform layer-by-layer self-assembled ultrathin hexagonal Gd2O2S nanoplates and luminescent properties from single doped Eu3+ and codoped Er3+, Yb3+

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Article information

DOI
https://doi.org/10.1039/C2DT31610B
Article type
Paper
Submitted
19 Jul 2012
Accepted
05 Sep 2012
First published
10 Sep 2012

Dalton Trans., 2012,41, 13984-13988

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One-pot solvothermal synthesis of uniform layer-by-layer self-assembled ultrathin hexagonal Gd2O2S nanoplates and luminescent properties from single doped Eu3+ and codoped Er3+, Yb3+

J. Liu, H. Luo, P. Liu, L. Han, X. Zheng, B. Xu and X. Yu, Dalton Trans., 2012, 41, 13984 DOI: 10.1039/C2DT31610B

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