Molecular packing-dependent exciton and polariton dynamics in anthradithiophene organic crystals

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

doi:10.1557/adv.2018.471

Molecular packing-dependent exciton and polariton dynamics in anthradithiophene organic crystals

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

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

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 S0-S1 excitonic transition perturbed by an intermolecular coupling of 15 meV for both TES and TDMS. A secondary contribution, consistent with that from charge-transfer states, was also found. Additionally, absorption spectra were analysed when crystals were placed inside of optical microcavities formed by two metal mirrors. Cavities exhibited a primary absorption peak determined to be an enhanced absorption from the lowest-energy S0-S1 transition.

Original language	English
Pages (from-to)	3465-3470
Number of pages	6
Journal	MRS Advances
Volume	3
Issue number	59
DOIs	https://doi.org/10.1557/adv.2018.471
State	Published - 2018

Bibliographical note

Publisher Copyright:
© 2018 Materials Research Society.

Keywords

crystalline
optical properties
organic
photonic

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
General Materials Science
Condensed Matter Physics

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10.1557/adv.2018.471

Cite this

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title = "Molecular packing-dependent exciton and polariton dynamics in anthradithiophene organic crystals",

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 S0-S1 excitonic transition perturbed by an intermolecular coupling of 15 meV for both TES and TDMS. A secondary contribution, consistent with that from charge-transfer states, was also found. Additionally, absorption spectra were analysed when crystals were placed inside of optical microcavities formed by two metal mirrors. Cavities exhibited a primary absorption peak determined to be an enhanced absorption from the lowest-energy S0-S1 transition.",

keywords = "crystalline, optical properties, organic, photonic",

author = "{Van Schenck}, {Jonathan D.B.} and Gregory Giesbers and Akash Kannegulla and Cheng, {Li Jing} and Anthony, {John E.} and Oksana Ostroverkhova",

note = "Publisher Copyright: {\textcopyright} 2018 Materials Research Society.",

year = "2018",

doi = "10.1557/adv.2018.471",

language = "English",

volume = "3",

pages = "3465--3470",

number = "59",

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T1 - Molecular packing-dependent exciton and polariton dynamics in anthradithiophene organic crystals

AU - Van Schenck, Jonathan D.B.

AU - Giesbers, Gregory

AU - Kannegulla, Akash

AU - Cheng, Li Jing

AU - Anthony, John E.

AU - Ostroverkhova, Oksana

PY - 2018

Y1 - 2018

N2 - 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 S0-S1 excitonic transition perturbed by an intermolecular coupling of 15 meV for both TES and TDMS. A secondary contribution, consistent with that from charge-transfer states, was also found. Additionally, absorption spectra were analysed when crystals were placed inside of optical microcavities formed by two metal mirrors. Cavities exhibited a primary absorption peak determined to be an enhanced absorption from the lowest-energy S0-S1 transition.

AB - 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 S0-S1 excitonic transition perturbed by an intermolecular coupling of 15 meV for both TES and TDMS. A secondary contribution, consistent with that from charge-transfer states, was also found. Additionally, absorption spectra were analysed when crystals were placed inside of optical microcavities formed by two metal mirrors. Cavities exhibited a primary absorption peak determined to be an enhanced absorption from the lowest-energy S0-S1 transition.

KW - crystalline

KW - optical properties

KW - organic

KW - photonic

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DO - 10.1557/adv.2018.471

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Molecular packing-dependent exciton and polariton dynamics in anthradithiophene organic crystals

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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