Electrical engineering

Physics

Nanotechnology

Offset (computer science)

Organic chemistry

Energy (signal processing)

Charge (physics)

Engineering physics

Organic solar cell

Dissociation (chemistry)

Energy landscape

Engineering

Chemical physics

Chemistry

Materials science

Energy cascade

Programming language

Cascade

Computer science

Photovoltaic system

Quantum mechanics

Environmental science

Chemical engineering

Optoelectronics

Biochemistry

Energy & Environmental Science

We examined the mechanisms underlying the free carrier generation in a very topical PM6/Y6 organic solar cell. We observed slow yet efficient spatial charge dissociation driven by downhill energy relaxation through the interfacial energy cascade.

Cascaded energy landscape as a key driver for slow yet efficient charge separation with small energy offset in organic solar cells