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Effective interplay of donor and acceptor groups for tuning optoelectronic properties in oligothiophene–naphthalimide assemblies

AuthorsAlonso Navarro, Matías J.; Harbuzaru, Alexandra; Echegaray, Paula de; Arrechea Marcos, Iratxe; Harillo Baños, Albert; Peña, Alejandro de la; Ramos, M. Mar; López Navarrete, Juan Teodomiro; Campoy Quiles, Mariano CSIC ORCID ; Ponce Ortiz, Rocío; Segura, José L.
Issue Date6-Aug-2020
PublisherRoyal Society of Chemistry (UK)
CitationJournal of Materials Chemistry. C, Materials for optical and electronic devices: 10.1039/D0TC03026K (2020)
AbstractIn this work, a series of naphthalimide fused thienopyrazine derivatives was designed, and their synthesis and characterization are reported herein. The interaction of this building block with a donor terthiophene fragment laterally substituted by a series of donor and acceptor constituents was analyzed in depth. This strategy was proven to efficiently modulate both the energy and topology of the frontier molecular orbitals involved in the charge transport mechanism. The interplay between the donor and acceptor strengths of the different units composing the material structure is thus essential to efficiently modulate charge carriers and transport properties and to finely tune the optical and electronic structures of the presented organic semiconductors.
Publisher version (URL)http://dx.doi.org/10.1039/D0TC03026K
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