Keyphrases
Sol-gel
100%
Nanophosphors
100%
Ho3+
100%
Synthesis Methods
100%
Yb3+
100%
Upconversion Luminescence
100%
Green Upconversion
100%
Nanopowder
80%
Co-precipitation Method
60%
Emission Peak
40%
Energy Band Gap
40%
Upconversion
40%
Power Dependence
40%
Diffuse Reflectance Spectra
40%
Upconversion Emission
40%
Sol-gel Method
20%
Morphological Structure
20%
Morphological Properties
20%
Optical Properties
20%
Crystallite Size
20%
Structure-property Relationships
20%
X Ray Diffraction
20%
Scanning Electron Microscopy
20%
Emission Intensity
20%
Photoluminescence Spectra
20%
Excitation Wavelength
20%
Hexagonal Wurtzite
20%
Energy Dispersive X-ray Spectrometer
20%
Elemental Composition
20%
ZnO Powder
20%
Absorption Bands
20%
Phase Purity
20%
Green Emission
20%
Upconversion Mechanism
20%
Kubelka-Munk
20%
Doping Method
20%
Two-photon Process
20%
Upconversion Photoluminescence
20%
Material Science
Sol-Gel
100%
ZnO
100%
Luminescence
100%
Coprecipitation
100%
Nanopowder
66%
Photoluminescence
16%
X-Ray Diffraction
16%
Powder
16%
Optical Property
16%
Scanning Electron Microscopy
16%
Crystallite Size
16%
Crystal Structure
16%
Energy-Dispersive X-Ray Spectroscopy
16%
Chemical Engineering
Coprecipitation
100%
Upconversion Luminescence
100%