Manipulating crystallization kinetics and vertical phase distribution <i>via</i> a small molecule donor guest for organic photovoltaic cells with 20% efficiency
Bowen Cheng, Wenwen Hou, Chenyu Han, Sixuan Cheng, Xinxin Xia, Xia Guo, Yongfang Li, Maojie Zhang
Abstract
A kinetics-controlling strategy is used to regulate molecular crystallization and vertical phase distribution, where a third small molecule donor is utilized to advance the aggregation of polymer donor and prolong its self-assembly time.
Topics & Concepts
CrystallizationPhotovoltaic systemKineticsPhase (matter)MoleculeMaterials scienceOrganic solar cellChemical engineeringChemistryOrganic chemistryPhysicsEngineeringElectrical engineeringQuantum mechanicsOrganic Electronics and PhotovoltaicsForce Microscopy Techniques and ApplicationsSilicon and Solar Cell Technologies