High-performing organic electronics using terpene green solvents from renewable feedstocks

Daniel Corzo, Diego Rosas-Villalva, Amruth C, Guillermo Tostado-Blázquez, Emily Bezerra Alexandre, Luis Huerta Hernandez, Jianhua Han, Han Xu, Maxime Babics, Stefaan Wolf and Derya Baran ()
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Daniel Corzo: King Abdullah University of Science and Technology (KAUST)
Diego Rosas-Villalva: King Abdullah University of Science and Technology (KAUST)
Amruth C: King Abdullah University of Science and Technology (KAUST)
Guillermo Tostado-Blázquez: King Abdullah University of Science and Technology (KAUST)
Emily Bezerra Alexandre: King Abdullah University of Science and Technology (KAUST)
Luis Huerta Hernandez: King Abdullah University of Science and Technology (KAUST)
Jianhua Han: King Abdullah University of Science and Technology (KAUST)
Han Xu: King Abdullah University of Science and Technology (KAUST)
Maxime Babics: King Abdullah University of Science and Technology (KAUST)
Stefaan Wolf: King Abdullah University of Science and Technology (KAUST)
Derya Baran: King Abdullah University of Science and Technology (KAUST)

Nature Energy, 2023, vol. 8, issue 1, 62-73

Abstract: Abstract Accelerating the shift towards renewable materials and sustainable processes for printed organic electronic devices is crucial for a green circular economy. Currently, the fabrication of organic devices with competitive performances is linked to toxic petrochemical-based solvents with considerable carbon emissions. Here we show that terpene solvents obtained from renewable feedstocks can replace non-renewable environmentally hazardous solvent counterparts in the production of highly efficient organic photovoltaics (OPVs) light-emitting diodes (OLEDs) and field-effect transistors (OFETs) with on-par performances. Using a Hansen solubility ink formulation framework, we identify various terpene solvent systems and investigate effective film formation and drying mechanisms required for optimal charge transport. This approach is universal for state-of-the-art materials in OPVs, OLEDs and OFETs. We created an interactive library for green solvent selections and made it publicly available through the OMEGALab website. As potential carbon-negative solvents, terpenes open a unique and universal approach towards efficient, large-area and stable organic electronic devices.

Date: 2023
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DOI: 10.1038/s41560-022-01167-7

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