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Which potential consequence results upon depleting hydrogen passivation in amorphous silicon?

A)Increased minority carrier recombination velocity
B)Reduced electron-phonon scattering events
C)Enhanced Auger recombination lifetime
D)Improved radiative recombination efficiency

💡 Explanation

Hydrogen passivation reduces dangling bonds by satisfying their valence requirements; therefore depleting it increases the number of unpassivated defects, because this increases the number of recombination centers, rather than improving carrier lifetimes via other means.

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