Up-conversion of lanthanide Ions and Down-conversion Defect Luminescence in BaGdF5:Yb,Er/Tm for Application in Anti-counterfeiting

2021 ◽  
Author(s):  
Wenjing Liu ◽  
Wenjun Zhang ◽  
Ruxin Liu ◽  
Guojing Li
Keyword(s):  
Oleic Acid ◽  
Hydrothermal Method ◽  
Lanthanide Ions ◽  
Dual Mode ◽  
One Pot ◽  
Excitation Light ◽  
Down Conversion ◽  
Defect Luminescence

BaGdF5:Yb,Er/Tm materials with dual mode luminescence were synthesized with the assistance of oleic acid by a simple one-pot hydrothermal method. The as-obtained materials show different colors under different excitation light,...

Dual Mode Emissions with Enhanced Green Up-conversion Luminescence by Gd3+ Doping and Down-conversion from Eu3+ in NaMnF3:Yb,Er@NaGdF4:Eu

2021 ◽  
Author(s):  
Wenjing Liu ◽  
Wenjun Zhang ◽  
Guojing Li ◽  
Ruxin Liu
Keyword(s):  
Hydrothermal Method ◽  
Dual Mode ◽  
Simple Hydrothermal Method ◽  
Down Conversion

NaMnF3:Yb,Er and NaMnF3:Yb,Er@NaGdF4:xEu (x = 0, 0.3, 0.6, 0.9) samples were synthesized by a simple hydrothermal method. The as-obtained NaMnF3:Yb,Er particles show single red emitting under the irradiation of infrared...

scholarly journals Green synthesis of Fe$_{3}$O$_{4}$ nanoparticles by one-pot saccharide-assisted hydrothermal method

2014 ◽  
Vol 38 ◽  
pp. 825-836 ◽  
Author(s):  
Ayşe DEMİR ◽  
Abdulhadi BAYKAL ◽  
Hüseyin SÖZERİ
Keyword(s):  
Green Synthesis ◽  
Hydrothermal Method ◽  
One Pot

Controllable Synthesis of Single-Crystalline Fe3O4 Nanorice by a One-Pot, Surfactant-Assisted Hydrothermal Method and Its Properties

2011 ◽  
Vol 2011 (35) ◽  
pp. 5384-5389 ◽  
Author(s):  
Ramesh Rajendran ◽  
Rajalakshmi Muralidharan ◽  
Ramya Santhana Gopalakrishnan ◽  
Muthamizhchelvan Chellamuthu ◽  
Suruttaiya U. Ponnusamy ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Controllable Synthesis ◽  
One Pot ◽  
Single Crystalline ◽  
Surfactant Assisted

Synthesis of Fe3O4 nanoflowers by one pot surfactant assisted hydrothermal method and its properties

2012 ◽  
Vol 70 ◽  
pp. 73-75 ◽  
Author(s):  
R. Ramesh ◽  
M. Rajalakshmi ◽  
C. Muthamizhchelvan ◽  
S. Ponnusamy
Keyword(s):  
Hydrothermal Method ◽  
One Pot ◽  
Surfactant Assisted

B, N-codoped graphene nanoribbons supported Pd nanoparticles for ethanol electrooxidation enhancement

2016 ◽  
Vol 4 (13) ◽  
pp. 4929-4933 ◽  
Author(s):  
Qi Liu ◽  
Jinchen Fan ◽  
Yulin Min ◽  
Tong Wu ◽  
Yan Lin ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Large Scale ◽  
Graphene Nanoribbons ◽  
Pd Nanoparticles ◽  
Ethanol Electrooxidation ◽  
One Pot ◽  
Supported Pd

In this study, B, N-codoped graphene nanoribbons (BN-GNRs) were prepared on a large scale via a one-pot hydrothermal method with GNRs and an ammonium fluoroborate (NH4BF4) mixture and served as the support for Pd loading targeted for efficient ethanol electrooxidation.

Electrochemical and electronic properties of flower-like MoS2 nanostructures in aqueous and ionic liquid media

RSC Advances ◽  
2015 ◽  
Vol 5 (71) ◽  
pp. 57943-57949 ◽  
Author(s):  
Kavita Pandey ◽  
Pankaj Yadav ◽  
Indrajit Mukhopadhyay
Keyword(s):  
Ionic Liquid ◽  
Electronic Properties ◽  
Hydrothermal Method ◽  
Liquid Media ◽  
One Pot

In the present work, we report a facile strategy to synthesize uniform 3D flower-like MoS2 nanostructures prepared by a one-pot hydrothermal method and investigate their supercapacitive behavior.

Hydrothermal synthesis of Pt–Ag alloy nano-octahedra and their enhanced electrocatalytic activity for the methanol oxidation reaction

Nanoscale ◽  
2014 ◽  
Vol 6 (21) ◽  
pp. 12310-12314 ◽  
Author(s):  
Geng-Tao Fu ◽  
Ru-Guang Ma ◽  
Xue-Qing Gao ◽  
Yu Chen ◽  
Ya-Wen Tang ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Hydrothermal Method ◽  
Methanol Oxidation ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Methanol Oxidation Reaction ◽  
High Quality ◽  
One Pot

High-quality Pt48Ag52 alloy nano-octahedra are synthesized via one-pot hydrothermal method showing excellent electrocatalytic activity and stability for methanol oxidation reaction.

Luminescence Studies on Low Temperature Synthesized ZnGa2O4:Ln3+ (Ln = Tb and Eu) Nanoparticles

2008 ◽  
Vol 8 (11) ◽  
pp. 5776-5780 ◽  
Author(s):  
C. Manikyala Rao ◽  
V. Sudarsan ◽  
R. S. Ningthoujam ◽  
U. K. Gautam ◽  
R. K. Vatsa ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Oleic Acid ◽  
Steady State ◽  
Low Temperature ◽  
Ethylene Glycol ◽  
Urea Hydrolysis ◽  
Lanthanide Ions ◽  
X Ray Diffraction ◽  
X Ray ◽  
Broad Emission

ZnGa2O4 nanoparticles doped with lanthanide ions (Tb3+ and Eu3+) were prepared at a low temperature of 120 °C based on urea hydrolysis in ethylene glycol medium. X-ray diffraction studies have confirmed that strain associated with nanoparticles changes as Tb3+ gets incorporated in the ZnGa2O4 lattice. Based on steady state emission and excitation studies of ZnGa2O4:Tb nanoparticles, it has been inferred that ZnGa2O4 host is characterized by a broad emission around 427 nm and there exists energy transfer between the host and Tb3+ ions. Unlike this, for ZnGa2O4:Eu nanoparticles, very poor energy transfer between the host and Eu3+ ions is observed. These nanoparticles when coated with ligands like oleic acid results in their improved dispersion in organic solvents like chloroform and dichloromethane.

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