hello every one
I want to synthesis the CuInSexS2-x QDs and as I am elementary in chemistry, I want to know that how to determine the sub x in such structure in practice (mean in the synthesis of CuInSexS2-x QDs in Lab) ? and could you introduce me a source for more study about this fundamental issue in chemistry? thanks
Ben F. Spencer
You can measure the stoichiometry of a sample using X-ray photoelectron spectroscopy, although XPS is normally very surface sensitive so there may be some difference between the measured st. and the bulk of the QD depending how small it is.
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