Emission of LIGHT when ELECTRONS return to the electronic ground state from an excited state and lose the energy as PHOTONS. It is sometimes... | Contact experts in Luminescence to get answers
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Questions related to Luminescence
Hi, As we know the band gap as well as luminescence increase with the decrease in particle size. On the other hand, nano-phosphors exhibit better luminescence compared to its bulk ones. What are...
08 August 2019 5,591 4 View
What is the limitation thickness of the e-beam evaporator in deposition of copper on glass substrate?
15 July 2019 8,588 2 View
Since using PLE carriers can be excited to the bottom of the conduction band, where they kinetic energy is zero it should be less probable to detect luminescence coming from carriers influenced by...
11 July 2019 3,642 3 View
Is it possible to view/record luminescence from luciferase on a standard confocal microscope? Some articles seem to be saying about needing a microscope with a CCD camera, is this the only...
07 July 2019 2,668 5 View
Hi, Sometimes, we observe secondary phase though very small (say 5-10 %) in PXRD pattern of synthesized luminescent phosphors wchich could be due to the purity (%) of reactants used for synthesis...
07 July 2019 4,501 4 View
Suppose I have synthesized three phosphors of a particular luminescent species in three hosts. I observed from XRD patterns that crystallinity in the three host are different and luminescence...
07 July 2019 2,400 4 View
When alpha particle interact with a scintillator materials such as ZnS(Ag), it generates electron hole pairs in the medium due to ionization. When these electrons combine at luminescent center it...
07 July 2019 9,697 4 View
07 July 2019 7,121 4 View
02 July 2019 823 3 View
Please some one explain the start-up time required by SOEC (solid oxide electrolyser cell) to reach it operating temperature.. Also what will be life time of SOEC compare to PEM...
12 June 2019 3,825 0 View
Dear All, Can you please guide me in fabricating or procuring hermetically sealed stainless steel container for high temperature corrosion test. My operating temperature range is 600 deg C. PS:...
20 May 2019 8,765 7 View
Would you think of any copper complexes be able to exchange their ligands with N's in g-C3N4, in (aqueous, non-aqueous, or non-polar) solution or gas? For example, would there be any copper...
10 May 2019 3,907 0 View
10 May 2019 7,381 1 View
In a Luminescent Solar Concentrator (LSC), the fluorophores (organic dyes, quantum dots,...) can be embedded either in the waveguide material, in a top or a bottom coated layer. I want to know how...
06 May 2019 9,855 2 View
I want to know that how the absorbance and luminescence of the materials depend upon the polarization of light? and how can we explain it by differentiating between scattered light and absorbed...
06 May 2019 4,267 4 View
Hi experts.. Can you explains why the excitation-“dependent” emission of aqueous N-CDs suddenly changed to ”independent” while binding with PVA (solid film). Is this related to PVA nature? Please...
05 May 2019 3,158 1 View
wath's the beste solvent for obtaine a colloidal suspension of zinc acetate and NaOH? water ethanol 1-buthanol 2-propanol i'd like to explaine for me the effect of those solvent in the reaction...
27 April 2019 622 3 View
Are there ways to calculate or simulate the luminescence spectrum? Where can I read about it?
09 April 2019 6,288 2 View
04 April 2019 585 4 View
I have prepared the powder of CH3NH3PbCl3 and observed PL emission peak which is centred at 520nm. The broad emission peak has been observed between 440nm t0 580nm. But some reported works...
03 March 2019 5,486 2 View
Hey all, This is less of a question and more of a hint because I've been struggling with this for almost a year during my graduate career. In case you work with proteins and phenolic compounds...
03 March 2019 797 4 View
I have recorded temperature dependent PL spectra of a hybrid perovskite sample from 10K to 200K. Three peaks are showing up at 10K. As temperature increases, the lowest energy peak faces rapid...
19 February 2019 9,357 3 View
How to calculate the quantum yield of quantum dots?
06 February 2019 4,698 5 View
a. Mycoplasma ribosomal RNA (rRNA) detection by nucleic acid hybridization using a luminescent probe. b. PCR of mycoplasma DNA. c. Flow cytometry based on DNA content.
05 February 2019 8,069 4 View