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← ScienceWhich consequence results when quantum dot fabrication causes significant orbital overlap?
A)Increased electron-hole recombination probability✓
B)Enhanced discrete energy level spacing
C)Reduced quantum confinement effect
D)Suppressed inter-dot tunneling rate
💡 Explanation
Increased orbital overlap causes increased electron-hole recombination probability because it enhances wavefunction mixing, influencing optical and electronic characteristics via increased spontaneous emission; therefore, recombination increases, rather than discrete levels, because quantum confinement effects are diminished instead.
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