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Which material property shift results when quantum dots are increasingly compressed?

A)Band gap widens significantly
B)Electrical conductivity diminishes
C)Melting point decreases sharply
D)Thermal expansion coefficient increases

💡 Explanation

The band gap widens because of the Quantum Confinement effect; compressing the quantum dot confines electrons to smaller space, therefore increasing their kinetic energy which translates to a larger band gap, rather than other effects under these conditions.

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