Enhancing charge mobilities in organic semiconductors by selective fluorination: a design approach based on a quantum mechanical perspective
Abstract
Selective fluorination of organic semiconducting molecules is proposed as a means to achieving enhanced hole mobility. Naphthalene is examined here as a root molecular system with fluorination performed at various sites. Our quantum chemical calculations show that selective fluorination can enhance attractive intermolecular interactions while reducing charge trapping. Those observations suggest a design principle whereby fluorination is utilized for achieving high charge mobilities in the crystalline form. The utility of this design principle is demonstrated through an application to perylene, which is an important building block of organic semiconducting materials. We also show that a quantum mechanical perspective of nuclear degrees of freedom is crucial for a reliable description of charge transport.
- Authors:
-
- Kent State Univ., Kent, OH (United States). Dept. of Chemistry and Biochemistry
- Kent State Univ., Kent, OH (United States). Dept. of Chemistry and Biochemistry; Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Chemistry
- Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Chemistry
- Publication Date:
- Research Org.:
- Kent State Univ., Kent, OH (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
- OSTI Identifier:
- 1505531
- Grant/Contract Number:
- SC0016501; CHE-1362504; CHE-1464477
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chemical Science
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 10; Journal ID: ISSN 2041-6520
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
Citation Formats
Maiti, Buddhadev, Schubert, Alexander, Sarkar, Sunandan, Bhandari, Srijana, Wang, Kunlun, Li, Zhe, Geva, Eitan, Twieg, Robert J., and Dunietz, Barry D. Enhancing charge mobilities in organic semiconductors by selective fluorination: a design approach based on a quantum mechanical perspective. United States: N. p., 2017.
Web. doi:10.1039/c7sc02491f.
Maiti, Buddhadev, Schubert, Alexander, Sarkar, Sunandan, Bhandari, Srijana, Wang, Kunlun, Li, Zhe, Geva, Eitan, Twieg, Robert J., & Dunietz, Barry D. Enhancing charge mobilities in organic semiconductors by selective fluorination: a design approach based on a quantum mechanical perspective. United States. https://doi.org/10.1039/c7sc02491f
Maiti, Buddhadev, Schubert, Alexander, Sarkar, Sunandan, Bhandari, Srijana, Wang, Kunlun, Li, Zhe, Geva, Eitan, Twieg, Robert J., and Dunietz, Barry D. Mon .
"Enhancing charge mobilities in organic semiconductors by selective fluorination: a design approach based on a quantum mechanical perspective". United States. https://doi.org/10.1039/c7sc02491f. https://www.osti.gov/servlets/purl/1505531.
@article{osti_1505531,
title = {Enhancing charge mobilities in organic semiconductors by selective fluorination: a design approach based on a quantum mechanical perspective},
author = {Maiti, Buddhadev and Schubert, Alexander and Sarkar, Sunandan and Bhandari, Srijana and Wang, Kunlun and Li, Zhe and Geva, Eitan and Twieg, Robert J. and Dunietz, Barry D.},
abstractNote = {Selective fluorination of organic semiconducting molecules is proposed as a means to achieving enhanced hole mobility. Naphthalene is examined here as a root molecular system with fluorination performed at various sites. Our quantum chemical calculations show that selective fluorination can enhance attractive intermolecular interactions while reducing charge trapping. Those observations suggest a design principle whereby fluorination is utilized for achieving high charge mobilities in the crystalline form. The utility of this design principle is demonstrated through an application to perylene, which is an important building block of organic semiconducting materials. We also show that a quantum mechanical perspective of nuclear degrees of freedom is crucial for a reliable description of charge transport.},
doi = {10.1039/c7sc02491f},
journal = {Chemical Science},
number = 10,
volume = 8,
place = {United States},
year = {2017},
month = {8}
}
Web of Science
Figures / Tables:

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