Photophysics and photochemistry of functionalized anthradithiophene in microcavities

Winston T. Goldthwaite; Roshell Lamug; Jonathan D.B. Van Schenck; Richard Puro; John E. Anthony; Oksana Ostroverkhova

doi:10.1117/12.2632388

Photophysics and photochemistry of functionalized anthradithiophene in microcavities

Winston T. Goldthwaite
, Roshell Lamug
, Jonathan D.B. Van Schenck
, Richard Puro
, John E. Anthony
, Oksana Ostroverkhova

Producción científica: Conference contribution › revisión exhaustiva

Resumen

We present a study of photodegradation in functionalized anthraditiophene (diF TES-ADT)-based films in hybrid cavities composed of distributed Bragg reflector (DBR) bottom mirror and top silver (Ag) mirror, depending on two different DBR reflectivity stopbands. The concentration of diF TES-ADT was chosen such that the films contain molecules in "amorphous"and "aggregate"phases characterized by different optical absorption spectra. We demonstrate that the cavity photon preferentially couples to the molecules in the "amorphous"phase and observe different photodegradation, attributed to photodimerization, dynamics for cavity photon-coupled and uncoupled states. The presence of the longer lived emissive states, such as entangled triplet pair (TT) states formed in the process of singlet fission, was correlated with a faster photodimerization dynamics. The observed cavity-dependent photodimerization dynamics offers an opportunity to manipulate the reaction rates and yield with cavity characteristics.

Idioma original	English
Título de la publicación alojada	Physical Chemistry of Semiconductor Materials and Interfaces XXI
Editores	Andrew J. Musser, Derya Baran
ISBN (versión digital)	9781510653825
DOI	https://doi.org/10.1117/12.2632388
Estado	Published - 2022
Evento	Physical Chemistry of Semiconductor Materials and Interfaces XXI 2022 - San Diego, United States Duración: ago 23 2022 → ago 24 2022

Serie de la publicación

Nombre	Proceedings of SPIE - The International Society for Optical Engineering
Volumen	12199
ISSN (versión impresa)	0277-786X
ISSN (versión digital)	1996-756X

Conference

Conference	Physical Chemistry of Semiconductor Materials and Interfaces XXI 2022
País/Territorio	United States
Ciudad	San Diego
Período	8/23/22 → 8/24/22

Nota bibliográfica

Publisher Copyright:
Copyright © 2022 SPIE.

Financiación

We thank V. S. Jain for the AFM measurements. This work was supported by the National Science Foundation (NSF) (Grant No. CHE-1956431). Device fabrication and characterization was made possible by the NSF MRI DMR-1920368 and NNCI:NNI EECS-2025489 awards.

Financiadores	Número del financiador
National Science Foundation (NSF)	MRI DMR-1920368, NNI EECS-2025489, CHE-1956431

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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Goldthwaite, W. T., Lamug, R., Van Schenck, J. D. B., Puro, R., Anthony, J. E., & Ostroverkhova, O. (2022). Photophysics and photochemistry of functionalized anthradithiophene in microcavities. En A. J. Musser, & D. Baran (Eds.), Physical Chemistry of Semiconductor Materials and Interfaces XXI Artículo 1219903 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12199). https://doi.org/10.1117/12.2632388

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title = "Photophysics and photochemistry of functionalized anthradithiophene in microcavities",

abstract = "We present a study of photodegradation in functionalized anthraditiophene (diF TES-ADT)-based films in hybrid cavities composed of distributed Bragg reflector (DBR) bottom mirror and top silver (Ag) mirror, depending on two different DBR reflectivity stopbands. The concentration of diF TES-ADT was chosen such that the films contain molecules in {"}amorphous{"}and {"}aggregate{"}phases characterized by different optical absorption spectra. We demonstrate that the cavity photon preferentially couples to the molecules in the {"}amorphous{"}phase and observe different photodegradation, attributed to photodimerization, dynamics for cavity photon-coupled and uncoupled states. The presence of the longer lived emissive states, such as entangled triplet pair (TT) states formed in the process of singlet fission, was correlated with a faster photodimerization dynamics. The observed cavity-dependent photodimerization dynamics offers an opportunity to manipulate the reaction rates and yield with cavity characteristics.",

keywords = "Organic semiconductors, exciton polaritons, photodimerization",

author = "Goldthwaite, \{Winston T.\} and Roshell Lamug and \{Van Schenck\}, \{Jonathan D.B.\} and Richard Puro and Anthony, \{John E.\} and Oksana Ostroverkhova",

note = "Publisher Copyright: Copyright {\textcopyright} 2022 SPIE.; Physical Chemistry of Semiconductor Materials and Interfaces XXI 2022 ; Conference date: 23-08-2022 Through 24-08-2022",

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Goldthwaite, WT, Lamug, R, Van Schenck, JDB, Puro, R, Anthony, JE & Ostroverkhova, O 2022, Photophysics and photochemistry of functionalized anthradithiophene in microcavities. En AJ Musser & D Baran (eds.), Physical Chemistry of Semiconductor Materials and Interfaces XXI., 1219903, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12199, Physical Chemistry of Semiconductor Materials and Interfaces XXI 2022, San Diego, United States, 8/23/22. https://doi.org/10.1117/12.2632388

Photophysics and photochemistry of functionalized anthradithiophene in microcavities. / Goldthwaite, Winston T.; Lamug, Roshell; Van Schenck, Jonathan D.B. et al.
Physical Chemistry of Semiconductor Materials and Interfaces XXI. ed. / Andrew J. Musser; Derya Baran. 2022. 1219903 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12199).

Producción científica: Conference contribution › revisión exhaustiva

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T1 - Photophysics and photochemistry of functionalized anthradithiophene in microcavities

AU - Goldthwaite, Winston T.

AU - Lamug, Roshell

AU - Van Schenck, Jonathan D.B.

AU - Puro, Richard

AU - Anthony, John E.

AU - Ostroverkhova, Oksana

PY - 2022

Y1 - 2022

N2 - We present a study of photodegradation in functionalized anthraditiophene (diF TES-ADT)-based films in hybrid cavities composed of distributed Bragg reflector (DBR) bottom mirror and top silver (Ag) mirror, depending on two different DBR reflectivity stopbands. The concentration of diF TES-ADT was chosen such that the films contain molecules in "amorphous"and "aggregate"phases characterized by different optical absorption spectra. We demonstrate that the cavity photon preferentially couples to the molecules in the "amorphous"phase and observe different photodegradation, attributed to photodimerization, dynamics for cavity photon-coupled and uncoupled states. The presence of the longer lived emissive states, such as entangled triplet pair (TT) states formed in the process of singlet fission, was correlated with a faster photodimerization dynamics. The observed cavity-dependent photodimerization dynamics offers an opportunity to manipulate the reaction rates and yield with cavity characteristics.

AB - We present a study of photodegradation in functionalized anthraditiophene (diF TES-ADT)-based films in hybrid cavities composed of distributed Bragg reflector (DBR) bottom mirror and top silver (Ag) mirror, depending on two different DBR reflectivity stopbands. The concentration of diF TES-ADT was chosen such that the films contain molecules in "amorphous"and "aggregate"phases characterized by different optical absorption spectra. We demonstrate that the cavity photon preferentially couples to the molecules in the "amorphous"phase and observe different photodegradation, attributed to photodimerization, dynamics for cavity photon-coupled and uncoupled states. The presence of the longer lived emissive states, such as entangled triplet pair (TT) states formed in the process of singlet fission, was correlated with a faster photodimerization dynamics. The observed cavity-dependent photodimerization dynamics offers an opportunity to manipulate the reaction rates and yield with cavity characteristics.

KW - Organic semiconductors

KW - exciton polaritons

KW - photodimerization

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T2 - Physical Chemistry of Semiconductor Materials and Interfaces XXI 2022

Y2 - 23 August 2022 through 24 August 2022

ER -

Goldthwaite WT, Lamug R, Van Schenck JDB, Puro R, Anthony JE, Ostroverkhova O. Photophysics and photochemistry of functionalized anthradithiophene in microcavities. En Musser AJ, Baran D, editores, Physical Chemistry of Semiconductor Materials and Interfaces XXI. 2022. 1219903. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2632388

Photophysics and photochemistry of functionalized anthradithiophene in microcavities

Resumen

Serie de la publicación

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Nota bibliográfica

Financiación

ASJC Scopus subject areas

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