1 at the interface of anetheraqueous solution colloidal cds, Ask an Expert

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1. At the interface of anether/aqueous solution, colloidal CdS nanocrystals (assume theseare spherical) self-assemble into a close-packed body-centeredcubic (BCC) superlattice:

a) What is a colloid?

b) Draw a unit cell of the BCC superlattice

c) Calculate the packing efficiency of the BCC lattice - howdoes this compare with a FCC lattice - explain why it issmaller/larger

d) If the length of the unit cell is 34nm, determine the radius ofthe nanoparticles.

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Category:- Chemistry
Reference No.:- M91012168

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