Plasma-electrochemical synthesis of europium doped cerium oxide nanoparticles

Liangliang Lin (Corresponding author), Xintong Ma, Sirui Li, Marly Wouters, Volker Hessel

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)
16 Downloads (Pure)

Abstract

In the present study, a plasma-electrochemical method was demonstrated for the synthesis of europium doped ceria nanoparticles. Ce(NO 3 ) 3 · 6H 2 O and Eu(NO 3 ) 3 · 5H 2 O were used as the starting materials and being dissolved in the distilled water as the electrolyte solution. The plasma-liquid interaction process was in-situ investigated by an optical emission spectroscopy, and the obtained products were characterized by complementary analytical methods. Results showed that crystalline cubic CeO 2 :Eu 3+ nanoparticles were successfully obtained, with a particle size in the range from 30 to 60 nm. The crystal structure didn’t change during the calcination at a temperature from 400°C to 1000°C, with the average crystallite size being estimated to be 52 nm at 1000°C. Eu 3+ ions were shown to be effectively and uniformly doped into the CeO 2 lattices. As a result, the obtained nanophosphors emit apparent red color under the UV irradiation, which can be easily observed by naked eye. The photoluminescence spectrum further proves the downshift behavior of the obtained products, where characteristic 5 D 07 F 1,2,3 transitions of Eu 3+ ions had been detected. Due to the simple, flexible and environmental friendly process, this plasma-electrochemical method should have great potential for the synthesis of a series of nanophosphors, especially for bio-application purpose. [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)501-510
Number of pages10
JournalFrontiers of Chemical Science and Engineering
Volume13
Issue number3
DOIs
Publication statusPublished - 1 Sep 2019

Fingerprint

Europium
Cerium
Nanoparticles
Plasmas
Oxides
Ions
Optical emission spectroscopy
Cerium compounds
Beam plasma interactions
Crystallite size
Calcination
Electrolytes
Photoluminescence
Crystal structure
Particle size
Irradiation
Crystalline materials
Color
Water
Liquids

Keywords

  • europium doped ceria
  • photoluminescence
  • plasma-electrochemical method
  • rare earth nanoparticles

Cite this

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title = "Plasma-electrochemical synthesis of europium doped cerium oxide nanoparticles",
abstract = "In the present study, a plasma-electrochemical method was demonstrated for the synthesis of europium doped ceria nanoparticles. Ce(NO 3 ) 3 · 6H 2 O and Eu(NO 3 ) 3 · 5H 2 O were used as the starting materials and being dissolved in the distilled water as the electrolyte solution. The plasma-liquid interaction process was in-situ investigated by an optical emission spectroscopy, and the obtained products were characterized by complementary analytical methods. Results showed that crystalline cubic CeO 2 :Eu 3+ nanoparticles were successfully obtained, with a particle size in the range from 30 to 60 nm. The crystal structure didn’t change during the calcination at a temperature from 400°C to 1000°C, with the average crystallite size being estimated to be 52 nm at 1000°C. Eu 3+ ions were shown to be effectively and uniformly doped into the CeO 2 lattices. As a result, the obtained nanophosphors emit apparent red color under the UV irradiation, which can be easily observed by naked eye. The photoluminescence spectrum further proves the downshift behavior of the obtained products, where characteristic 5 D 0 → 7 F 1,2,3 transitions of Eu 3+ ions had been detected. Due to the simple, flexible and environmental friendly process, this plasma-electrochemical method should have great potential for the synthesis of a series of nanophosphors, especially for bio-application purpose. [Figure not available: see fulltext.].",
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Plasma-electrochemical synthesis of europium doped cerium oxide nanoparticles. / Lin, Liangliang (Corresponding author); Ma, Xintong; Li, Sirui; Wouters, Marly; Hessel, Volker.

In: Frontiers of Chemical Science and Engineering, Vol. 13, No. 3, 01.09.2019, p. 501-510.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Plasma-electrochemical synthesis of europium doped cerium oxide nanoparticles

AU - Lin, Liangliang

AU - Ma, Xintong

AU - Li, Sirui

AU - Wouters, Marly

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N2 - In the present study, a plasma-electrochemical method was demonstrated for the synthesis of europium doped ceria nanoparticles. Ce(NO 3 ) 3 · 6H 2 O and Eu(NO 3 ) 3 · 5H 2 O were used as the starting materials and being dissolved in the distilled water as the electrolyte solution. The plasma-liquid interaction process was in-situ investigated by an optical emission spectroscopy, and the obtained products were characterized by complementary analytical methods. Results showed that crystalline cubic CeO 2 :Eu 3+ nanoparticles were successfully obtained, with a particle size in the range from 30 to 60 nm. The crystal structure didn’t change during the calcination at a temperature from 400°C to 1000°C, with the average crystallite size being estimated to be 52 nm at 1000°C. Eu 3+ ions were shown to be effectively and uniformly doped into the CeO 2 lattices. As a result, the obtained nanophosphors emit apparent red color under the UV irradiation, which can be easily observed by naked eye. The photoluminescence spectrum further proves the downshift behavior of the obtained products, where characteristic 5 D 0 → 7 F 1,2,3 transitions of Eu 3+ ions had been detected. Due to the simple, flexible and environmental friendly process, this plasma-electrochemical method should have great potential for the synthesis of a series of nanophosphors, especially for bio-application purpose. [Figure not available: see fulltext.].

AB - In the present study, a plasma-electrochemical method was demonstrated for the synthesis of europium doped ceria nanoparticles. Ce(NO 3 ) 3 · 6H 2 O and Eu(NO 3 ) 3 · 5H 2 O were used as the starting materials and being dissolved in the distilled water as the electrolyte solution. The plasma-liquid interaction process was in-situ investigated by an optical emission spectroscopy, and the obtained products were characterized by complementary analytical methods. Results showed that crystalline cubic CeO 2 :Eu 3+ nanoparticles were successfully obtained, with a particle size in the range from 30 to 60 nm. The crystal structure didn’t change during the calcination at a temperature from 400°C to 1000°C, with the average crystallite size being estimated to be 52 nm at 1000°C. Eu 3+ ions were shown to be effectively and uniformly doped into the CeO 2 lattices. As a result, the obtained nanophosphors emit apparent red color under the UV irradiation, which can be easily observed by naked eye. The photoluminescence spectrum further proves the downshift behavior of the obtained products, where characteristic 5 D 0 → 7 F 1,2,3 transitions of Eu 3+ ions had been detected. Due to the simple, flexible and environmental friendly process, this plasma-electrochemical method should have great potential for the synthesis of a series of nanophosphors, especially for bio-application purpose. [Figure not available: see fulltext.].

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