Q.1 (a)
Q.2 answer = 0.9
Q.3 answer = 4
1-Consider an organic solar cell consisting of a TiO2 semiconductor with an ionization energy 7.8eV and a polymer with an electron affinity 3.4eV. Which of the followning band diagrams corresponds to the organic solar cell. The band gap of TiO2 is 3.5eV.
(a) (b)
2-What is the driving force in eV for electron injection from the polymer to the semiconductor
3-The electron diffusion coefficient is De=4∗10−5cm2/s and the thickness of TiO2 is 4μm. What is the lifetime of the injected electronsin ms?
4 answers
5.32
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Q.1 (a)
Q.2 answer = 0.9
Q.3 answer = 4
Q.2 answer = 0.9
Q.3 answer = 4
1 answer