Chapter 21.9, Problem 21.13P

Interpretation Introduction

Interpretation:

Among the given quantum dots, the one with large size has to be explained.

Concept introduction:

Quantum dot:

Semiconductor nanoparticles are known as quantum dots.  The color of these differs when size of the nanoparticles decreases from red to violet.  When UV-light irradiates on quantum dots, it emits visible light of greater wavelength for large sized nanoparticle and lesser wavelength for small sized nanoparticle.