Which risk increases when a quantum dot's radius approaches exciton Bohr radius?

💡 Explanation

Auger recombination increases when near the exciton Bohr radius because quantum confinement increases electron-hole wave function overlap. The confined carriers are more likely to interact non-radiatively via Auger Recombination; therefore Auger recombination increases, rather than changes in thermal, intensity or constitutive properties.

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