Magnetic field dependence of singlet fission in solutions of diphenyl tetracene

Thompson, Nicholas J.; Hontz, Eric; Chang, Wendi; Van Voorhis, Troy; Baldo, Marc A.

doi:10.1098/rsta.2014.0323

Magnetic field dependence of singlet fission in solutions of diphenyl tetracene

Journal Article · Mon May 18 00:00:00 EDT 2015 · Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences

DOI:https://doi.org/10.1098/rsta.2014.0323· OSTI ID:1210691

Thompson, Nicholas J. ^[1]; Hontz, Eric ^[1]; Chang, Wendi ^[1]; Van Voorhis, Troy ^[1]; Baldo, Marc A. ^[1]

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Magnetic field effects provide a convenient and specific probe of singlet exciton fission within optoelectronic devices. Here, we demonstrate that this tool may also be applied to screen potential fission material candidates in solution. We characterize the phenomenon in diphenyl tetracene (DPT), which shows strong fluorescence modulation and the expected field dependence in its transient decay as a function of concentration. Furthermore, solution measurements may also be used to test for the presence of an intermediate charge transfer state, but we observe no changes to the field dependence of DPT singlet exciton fission in toluene relative to chloroform.

View Accepted Manuscript (DOE)

Research Organization:: Energy Frontier Research Centers (EFRC), Washington, D.C. (United States). Center for Excitonics (CE)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Grant/Contract Number:: SC0001088

OSTI ID:: 1210691

Journal Information:: Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences, Journal Name: Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences Journal Issue: 2044 Vol. 373; ISSN 1364-503X

Publisher:: The Royal Society PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Magnetic field dependence of singlet fission in solutions of diphenyl tetracene

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