Effect of processing additive 1,8-octanedithiol on the lifetime of PCPDTBT based Organic Photovoltaics

• Published in: Organic electronics Vol. 15; no. 10; pp. 2433 - 2438
• Main Authors: Waters, Huw, Bristow, Noel, Moudam, Omar, Chang, Shu-Wei, Su, Chun-Jen, Wu, Wei-Ru, Jeng, U.-Ser, Horie, Masaki, Kettle, Jeff
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.10.2014; Elsevier
• Subjects: Applied sciences; Co-polymer; Cross-disciplinary physics: materials science; rheology; Degradation; Energy; Exact sciences and technology; Fractures; Fullerenes and related materials; diamonds, graphite; Lifetime studies; Materials science; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology; Metals. Metallurgy; Natural energy; Organic Photovoltaics; Organic solar cell; Photovoltaic conversion; Physics; Solar cells. Photoelectrochemical cells; Solar energy; Solar radiation; Specific materials; Degradation; Lifetime studies; Organic Photovoltaics; Co-polymer; Organic solar cell; Performance evaluation; Atomic force microscopy; Morphological changes; Material processing; Fullerene compounds; Irradiance; Organic solar cells; Butyric acid; Ester; Additive; Organic electronics; Damaging; Active layer; Durability; Polymer; Long term; Lifetime; Morphology; X ray scattering; Reliability; Microstructure

[Display omitted] •Degradation of PCPDTBT:PCBM OPVs is shown to increase with the inclusion of 1,8-octanedithiol (ODT).•AFM scans indicate a greater change in the surface properties of devices fabricated with the ODT.•An additional morphological change in the active layer during the light soaking is...