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Molecular Packing-Dependent Exciton and Polari on Dynamics in Anthradithiophene Organic Crystals

Creator:

Van Schenck, Jonathan D. B., Giesbers, Gregory, Kannegulla, Akash, Cheng, Li-Jing, Anthony, John E., and Ostroverkhova, Oksana

Abstract:

Polarization-dependent absorption spectra of two functionalized derivatives of fluorinated anthradithiophene, diF TES-ADT and diF TDMS-ADT, were studied in the crystal phase using a Holstein-like Hamiltonian. For both molecules, the primary contribution to the lowest energy absorption was found to be the S-0-S-1 excitonic transition perturbed by an intermolecular coupling of...

Resource Type:

Article
Fungi-Derived Pigments for Sustainable Organic (Opto)Electronics

Creator:

Gieshers, Gregory, Van Schenck, Jonathan, Gutierrez, Sarath Vega, Robinson, Sara, and Ostroverkhova, Oksana

Abstract:

We present on the optical and electronic properties of a fungi-derived pigment xylindein for potential use in (opto)electronic applications. Optical absorption spectra in solutions of various concentrations and in film are compared and are consistent with aggregate formation in concentrated solutions and films. In order to improve film morphology obtained...

Resource Type:

Article