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Alan F Rawle

http://bfy.tw/EFML

Hey voila! And brings up your answer:

https://en.wikipedia.org/wiki/Brus_equation

Sudhirkumar Munishwar

Thank you Alan F Rawle Sir.... but I need formula for CdS(x)Se(1-x) alloy.

Read the link: 'Egap, me*, and mh* are unique for each nanocrystal composition'.

You can either find out these values, measure them, or estimate them.