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https://hdl.handle.net/2440/121831
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Type: | Journal article |
Title: | Facile synthesis of lanthanide doped yttria nanophosphors by a simple microplasma-assisted process |
Author: | Lin, L. Starostin, S.A. Ma, X. Li, S. Khan, S.A. Hessel, V. |
Citation: | Reaction Chemistry and Engineering, 2019; 4(5):891-898 |
Publisher: | Royal Society of Chemistry |
Issue Date: | 2019 |
ISSN: | 2058-9883 2058-9883 |
Statement of Responsibility: | Liangliang Lin, Sergey A. Starostin, Xintong Ma, Sirui Li, Saif A. Khan and Volker Hessel |
Abstract: | Increasing awareness of the potentially harmful impacts of nanomaterials on human health has led to a high demand for low-toxicity lanthanide (Ln)-doped nanophosphors in life science fields. The present study introduces a conceptually new approach based on a microplasma technique to produce high quality crystalline lanthanide doped nanophosphors. By selecting Eu³⁺ doped yttria as a model for study, systematic experiments are carried out to synthesize Y₂O₃:Eu³⁺ nanophosphors of controllable size and various Eu³⁺ doping concentrations. The plasma–liquid interaction and the obtained products are examined by complementary analytical methods. Results demonstrate that ultra-high purity crystalline Y₂O₃:Eu³⁺ nanophosphors can be successfully prepared from merely an aqueous solution of Y(NO₃)₃·6H₂O and Eu(NO₃)₃·6H₂O at an extremely low plasma power consumption (3–5.5 W), without involving any hazardous chemicals. Moreover, the Eu³⁺ ions prove to be efficiently and homogeneously doped into the yttria matrix, and their luminescence performance can be tuned to a large extent by adjusting the processing conditions. Due to the high degree of flexibility, this approach can be readily expanded to the green synthesis and engineering of various lanthanide doped/co-doped nanophosphors. |
Rights: | This journal is © The Royal Society of Chemistry 2019 |
DOI: | 10.1039/c8re00357b |
Published version: | http://dx.doi.org/10.1039/c8re00357b |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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