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The electron diffusion coefficient is \(D_e=4*10^{-5} cm^2/s\) and the thickness of \(TiO_2\) is \(4\mu m\). What is the lifetime of the injected electrons (in \( ms\))? ______
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What is the driving force (in eV) for electron injection from the polymer to the semiconductor? ______
Junction B has a different absorber layer than junction A. Above its band gap, the solar cell B has an EQE = 0.60 that remains constant. Calculate the short-circuit current density \(J_{sc}\) of the junction B (in \(mA/cm^2\)) if the solar cell is measured under the solar simulator. ______
Calculate the short-circuit current density \( J_{sc}\) of junction A (in \(mA/cm^2\)) if the solar cell is measured under the solar simulator. ______
What is the band gap (in eV) of the absorber layer of the junction A? ______
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