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Questions related from Bidyut Das
I have two DSC curves, attached below. One of them shows an endothermic peak at 90 and another one at 71⁰C. Are these two peak shapes glass transition temp (considering enthalpy relaxation...
04 November 2023 4,036 11 View
Below is my fitted data of FL lifetime of a compound in solid state after fitting into biexponential components which shows one component to be positive amplitudes (denoted by B) and the other...
21 September 2023 9,176 4 View
I have a compound under investigation for its photophysical characteristics, and during investigation of its emission spectra with varying polarity I observed a red shift from low to high polar...
05 July 2023 8,117 3 View
I have a solid state X-band ESR spectra of an organic compound, as attached here. Unlike normal spectra, the spectra of my compounds seems to be peculiar in nature. What could be the possible...
16 February 2023 9,504 1 View
An EPR spectrum of an organic compound was recorded on solid state which resonated at around 83 mT but on calculating the g-factor the value came out be nearly 8.00 which is too high than...
28 November 2022 8,310 4 View
I have an oxindole derived compound. To study its photophysics the compd was dissolved in DCM with varying concentrations but when emission was recorded it was observed that at low concentration...
16 November 2022 4,334 2 View
I have synthesized a compound which is pure as well as no other possible diastereomers are present in it, as evident from ¹H NMR. On inspection of its photophysical properties an anomaly was noted...
09 December 2021 5,197 3 View
Hello all, Can we detect excimer formations with steady state emission anisotropy (not excitation anisotropy)? In one of my experiments with a fluorophore I could dectect the formation of a...
02 December 2021 1,764 7 View
Can any expert help in solving the DSC peaks along with the TGA curves of a compound? Earlier, some experts suggested me to run a TGA when I put up the DSC curve in aprevious question. So here is...
01 January 1970 1,951 10 View
I measured an EPR spectra (attached) of an organic compound which shows very high deviation of g-value (2.28731) from the normal value of an electron (2.003). What could be the plausible...
01 January 1970 4,561 1 View
Hello. I am studying photophysical characteristics of a compound, and have observed that it is nearly non-fluorescent in low polar solvent like DCM, however, if the solvent is switched towards...
01 January 1970 9,943 2 View
