A Review of Organic Photovoltaic Energy Source and Its Technological Designs

<div>Bandgap energies (LUMO-HOMO levels) for several HT/EB layer materials to the left of the absorbers (P3HT, silicon in gray stripe) and ET/HB layer materials to the right [<a href="/journals/ijp/2017/1656512/#B50">50</a>].</div>

International Journal of Photoenergy

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Figure 4

Figure 4: A Review of Organic Photovoltaic Energy Source and Its Technological Designs 