Boundary energy levels
Organic solar cells : materials, nano-morphology and device engineering
Quizzed article REF: NM5205 V2
Boundary energy levels
Organic solar cells : materials, nano-morphology and device engineering

Authors : Nicolas LECLERC, Patrick LEVÊQUE

Publication date: March 10, 2022, Review date: December 22, 2023 | Lire en français

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3. Boundary energy levels

Boundary energy levels can be finely tuned by molecular engineering. Let's take a look at their influence on the performance of organic photovoltaic cells. An organic semiconductor (OSC) can absorb photons of energy higher than the formation of an exciton. The relationship between the wavelength of a photon and its energy is given by :

E=hcλ soit E(eV)=1 240λ(nm)( 3 )

where h is Planck's constant, c is...

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