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 All, I find many literatures report that the luminescence properties of a luminophor could be affected by the solvents, ion strength, temperature, etc. The viscosity, dielectric constant,...
01 January 2018 4,696 4 View
I am doing Ubiquitination assay of my target protein. Unluckily, most of the time i got black background hiding the smeared ubiquitinated protein. i tested it by changing various experimental...
21 December 2017 3,335 4 View
Hi, When can we use either intensity (of luminescence) or the decay rate to calculate the activation energy in an Arrhenius plot? I mean can we use intensity at all? And if we can, is there...
12 December 2017 1,333 1 View
Which nanocrystal have high luminescence, 3D or 2D nanocrystal of lead based perovskite ?
12 December 2017 7,665 3 View
Hi all, I prepared some transitional metal oxide solution by mixing nano powder transitional metal with organic solvent and some H2O2. Then I deposited the solution on silicon using spin coating....
19 October 2017 5,701 9 View
I have used a Si CCD detector setup to measure the electroluminescence of a LED. The y axis unit is given as counts/sec. I want to extract the output power density of the LED. Is there a way to...
14 September 2017 2,952 3 View
CdSe Quantum Dots Photoluminescence Ligand Field transition
09 September 2017 1,954 3 View
Two peaks in my PL spectra keep shifting towards each other when temperature is taken from 7K to 295K and finally merge into one. I need to deconvolute them at each stage to have better...
09 September 2017 600 8 View
I have a copper complex that I irradiate and need to check if copper is being reduced in the course of irradiation even if it does not get released from the complex.
24 August 2017 5,340 5 View
It is basically related to the sensing of an analyte by MOF .
08 August 2017 6,843 3 View
We prepare a powder mixture of oxygen deficient zinc oxide (ZnO1-x) and carbon dots from zinc nitrate and citric acid precursor. Actually, we aim to prepare ZnO1-x only but carbon dots also appear...
08 August 2017 9,702 5 View
Lets say we have a room temperature PL spectrum. If an oxide material (eg: Cu2O) have very strong defect related PL emissions (O vacancies, Cu vacancies) and weak band-to-band PL emissions (but...
07 July 2017 2,306 3 View
To be more specific, we detect luminescence of cells to measure luciferase activity. Thanks.
07 July 2017 8,750 0 View
is it possible to plot magnetic susceptibility vs temperature from magnetization vs temperature (M-T) data? or which measurement is required to confirm?
05 July 2017 119 1 View
I have prepared carbon dots derived from plant materials by hydrothermal method( A known weight of the plant sample was washed and grinded to paste and diluted with water prior heating). Following...
17 June 2017 730 4 View
Is there a simple procedure to make Gallium sulfate from Gallium metal? I used Gallium metal and sulfuric acid ~ 2M; but the reaction is extremely slow.
09 June 2017 2,052 1 View
I would like to irradiate my cells with 40J/m2 of UV C, but the UV crosslinker at our facility has the UV A lamp. I would like to know if it is possible for irradiating my cells with equivalent UV...
06 June 2017 601 4 View
for example, any dopant elements shows the luminescence cause of the transition from X --- Y and responsible for particular emission wave length.
06 June 2017 8,840 2 View
Even for equal doses when effect of heating rate for given TL glow curve on different identical samples of same TL material, the results on the effect of heating rate on TL glow curves lead to...
06 June 2017 4,693 29 View
I am looking for the structure of the host and the dopants. As we usually use Ce3+ and Eu2+ for both the colours, can we have a host with necessary added other dopants that can generate both. This...
05 May 2017 3,964 5 View
What can be the possible reasons of shift in PL emission wavelength in polarization dependence PL?
04 April 2017 3,001 8 View
what are the conclusions we can drawn from following data "In photoactive material photoluminescence is at a higher energy than the onset of the absorbance edge, and its FWHM is strikingly...
04 April 2017 9,188 7 View
Phosphor = Any of various compounds of transition metals or of rare earths that exhibits phosphorescence Scintillator = any substance that glows under the action of photons or other high-energy...
04 April 2017 9,925 4 View
Dear all, I used the tags in "mesh.conf" file DIM = 2 2 2 Band = ............... GROUP_VELOCITY = .TRUE. and then used the command "phonopy -p --gv mesh.conf" it gave me the graph of band...
04 March 2017 9,275 2 View