Tuning the molar mass of P3HT <i>via</i> direct arylation polycondensation yields optimal interaction and high efficiency in nonfullerene organic solar cells
Yang Liu, Kaihu Xian, Zhongxiang Peng, Mengyuan Gao, Yibo Shi, Yunfeng Deng, Yanhou Geng, Long Ye
Abstract
The application and the molar mass dependence of P3HT via direct arylation polycondensation are explored in fullerene-free solar cells. The medium molar mass batch delivered a top efficiency of ∼10%.
Topics & Concepts
Molar massCondensation polymerMolar ratioOrganic solar cellFullereneMolarMaterials scienceChemical engineeringPolymer chemistryChemistryOrganic chemistryPolymerCatalysisDentistryMedicineEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsSemiconductor materials and interfaces