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← ScienceWhich risk sharply increases when quantum dot size decreases?
A)Current leakage through quantum tunneling✓
B)Increased thermal energy phonon scattering
C)Reduced radiative efficiency emission rate
D)Augmented Auger recombination electron lifetime
💡 Explanation
As quantum dot size shrinks, the *quantum tunneling* probability dramatically rises because electrons can penetrate the potential barrier rather than being confined. Therefore, there's greatly increased current leakage, rather than decreased leakage due to higher energy barriers.
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