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Q2 Consider a solar cell made of semiconducting nanocrystals with a bandgap energy of Wg = 0.67...

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Physics

Q2
Consider a solar cell made of semiconducting nanocrystals with abandgap energy of Wg = 0.67 eV. Determine the theoreticalefficiency when the solar cell is exposed to the radiation of a6000-K black body? Assume that photons with less than 3.3 Wg createeach one single electron/hole pair and that those with more than3.3 Wg create 2 electron/hole pairs each owing to impactionization. [50 marks]

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3.9 Ratings (480 Votes)
solutionhere Photons with energy 067 eVdo not interact with the solar cell Photons with energy 067eV create each one exciton Let the flux of these photons be The electric    See Answer
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