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← ScienceWhich consequence results when plasmon resonance weakens in gold nanoparticles?
A)Decreased quantum confinement in the electrons
B)Enhanced Auger electron ejection rates
C)Reduced optical signal amplification efficiency✓
D)Increased near-field electron penetration depth
💡 Explanation
Reduced plasmon resonance decreases optical signal amplification, because interaction between light and electrons weakens, reducing collective oscillations. Therefore, amplification wanes, rather than changing quantum confinement, electron ejection, or penetration depth, under these conditions.
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