Cascaded energy landscape as a key driver for slow yet efficient charge separation with small energy offset in organic solar cells
Shin‐ichiro Natsuda, Toshiharu Saito, Rei Shirouchi, Yuji Sakamoto, Taiki Takeyama, Yasunari Tamai, Hideo Ohkita
Abstract
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.
Topics & Concepts
Organic solar cellOffset (computer science)Energy landscapeCascadeDissociation (chemistry)Materials scienceEnergy cascadeChemical physicsEngineering physicsEnergy (signal processing)Charge (physics)OptoelectronicsEnvironmental scienceNanotechnologyPhotovoltaic systemChemistryPhysicsChemical engineeringComputer scienceElectrical engineeringEngineeringOrganic chemistryBiochemistryQuantum mechanicsProgramming languageOrganic Electronics and PhotovoltaicsThin-Film Transistor TechnologiesQuantum Dots Synthesis And Properties