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← ScienceWhich outcome occurs when multiple quantum dots are closely spaced?
A)Electron mobility increases significantly✓
B)Band gap energy becomes smaller
C)Optical absorbance is suppressed
D)Thermal conductivity abruptly decreases
💡 Explanation
Electron mobility improves because of **quantum tunneling** between the adjacent dots. This allows electrons to propagate more freely through the array, therefore enhancing mobility, rather than suppressing absorbance or altering thermal properties which would require different interactions.
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