Hi, I am trying to find the quantum yield of my synthesized CQD samples, I have excited the samples at 340 nm wavelength, and I am trying to find the mST standard value for Quinine sulfate at 340 nm wavelength, for the calculation.
Φx = ΦST (mx / mST) (η2x /η2ST )
Please share a link or a Quinine sulfate standard data sheet corresponding to m(slope) values.
Hello the most relevant paper that might contain the m(slope) values for Quinine sulfate at 340 nm wavelength is ["QUININE SULFATE AS A FLUORESCENCE QUANTUM YIELD STANDARD"] published in 1969. This paper evaluates the relative fluorescence quantum yield of quinine sulfate with excitation from 240 through 400 nm.
To access the specific m(slope) values, you would likely need to review the full paper. Here's the link to the paper: [QUININE SULFATE AS A FLUORESCENCE QUANTUM YIELD STANDARD](Article Quinine sulfate as a fluorescence quantum yield standard
).If the paper doesn't provide the exact values you're looking for, you might consider reaching out to institutions or researchers specializing in fluorescence spectroscopy or checking standard reference materials related to fluorescence quantum yield measurements.
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