Abstract
A photovoltaic (PV) device based on “high-work-function metal/single-walled carbon nanotube/low-work-function metal” hybrid junction has been studied theoretically by the self-consistent nonequilibrium Green’s function approach. The PV effect and power conversion efficiency (η) of the device under light illumination are simulated, with a monochromatic η of higher than 40% for incident photon energies near the nanotube band-gap energy predicted. It is shown that the gate voltage and gate oxide thickness have an important influence on the device η.
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