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Understanding the long-term evolution of green line coronal emission and its relation to the sunspots
Significant association between flux emergence and the complexity of the involved processes in the solar corona could be substantial in estimating...
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Near-infrared and green light emission spectroscopic characteristics of Er3+ doped alumina–phosphate glasses
Trivalent erbium ions doped (48 – x ) AlPO 4 + 15K 2 O + 12MgF + 20Na 2 O + 5NaF + x Er 2 O 3 glass samples have been prepared utilizing the melt-quench...
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Structural and photoluminescence properties of terbium (III) activated Li2SiO3 phosphors: an approach for bluish-green light emission
In this paper, a series of bluish-green emitting Li 2 SiO 3 :xTb 3+ (x = 0.01, 0.02, 0.03, 0.04 and 0.05 mol) phosphors were synthesized by solid state...
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Investigation of Green and Red Emission Studies of Ho3+-Doped BCBaSrHo Glasses for Laser Application
The Ho 3+ -ions doped in CaO-SrO-BaO-B 2 O 3 glass (BCBaSrHo) has been synthesis to study its emission, absorption, and decay time measurements. JO theory...
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Enhanced of Blue and Green Emission by Ce–ZnO Thin Films Prepared by Sol–Gel Technique
AbstractIn this work, pure and cerium-doped ZnO thin films were synthesized on glass and silicon substrates via sol-gel spin-coating technique....
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Upconversion emission and the emission color modulation of the NaMgF3:Er3+, Yb3+, Mn2+ submicron particles
The Er 3+ , Yb 3+ and Mn 2+ co-doped perovskite NaMgF 3 submicron particles have been successfully fabricated and the related upconversion (UC) emission...
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Multicolor green to orange-red emission of Tb3+ and Eu3+-codoped tellurite glasses: Eu3+ concentration and Tb3+ → Eu3+ energy transfer
A series of the TeO 2 –GeO 2 –ZnO glass system was single and double doped with different Tb 3+ /Eu 3+ ratios. Their luminescent and colorimetric properties...
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Time-division multiplexing underwater light communication using two identical green quantum well diodes
A quantum well (QW) diode that is capable of emitting light is also capable of absorbing light. In particular, the QW diode has broad...
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Prompt and Delayed Emission
The neutrons and gamma rays emitted after fission have been intensely studied ever since its discovery. The excited fragments return to their ground... -
Highly efficient polaritonic light-emitting diodes with angle-independent narrowband emission
Angle-independent narrowband emission is required for many optoelectronic devices, ranging from high-definition displays to sensors. However,...
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Effect of titania nano composite on structural and optical properties of Ho3+ doped silica glasses for green laser applications
Using sol–gel technique, we synthesized a novel series of titania-silicate glasses doped with Ho 3+ ions, featuring a chemical composition (80-x) SiO 2 + 20TiO...
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Physicochemical properties of ZnONPs synthesized by chemical, sonochemical, and green methods: comparative study
Zinc oxide nanoparticles (ZnONPs) have gained wide interest owing to their distinct characteristics. ZnONPs are commonly synthesized by chemical...
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Finite Temperature Green Function Formalism
Develo** a Green function formalism similar to the \(T=0\)... -
The X-ray Emission from Planetary Nebulae
Planetary nebulae, the progeny of low- and intermediate-mass stars, are formed by the interaction of the fast stellar wind from its central star,... -
Performance enhancement of GaAs solar cells using green-emitting PMMA-InP/Zns nanohybrid downshifting layer
Luminescent downshifting coatings represent a cost-effective enhancement for semiconductor photovoltaic systems by amplifying solar cell power...
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Spontaneous Emission in Leaky Modes of Nanowires
AbstractAnalytical expressions for spontaneous emission probability in the vicinity of nanowire for the emitter oriented in axial, radial and...
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Light Emission and Laser
In this chapter, physics of luminescence and laser oscillations are treated in detail. First the definition of Einstein coefficients is introduced to... -
Electrochemical Exfoliation a Green Approach: Waste to Wealth
Graphene discovery in 2004 by Geim and co-workers was a major breakthrough in the field of material sciences. The creditability of graphene, which is... -
Upconversion emission and its color modulation of the ZnS: Ho3+, Yb3+, Mn2+ nanomaterials
The ZnS: Ho 3+ , Yb 3+ , Mn 2+ nanomaterials fabricated by the co-precipitation method have the zinc-blende structure with the crystallite size about...
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Energy Transfer and Colorful Emission of Eu3+- and Tb3+-Co-Doped CaWO4 Phosphors
Eu 3+ /Tb 3+ -co-doped CaWO 4 phosphors were synthesized by a simple green co-precipitation process. The structure of the samples was investigated by...