Singlet fission efficiency in tetracene-based organic solar cells

Wu, Tony C.; Thompson, Nicholas J.; Congreve, Daniel N.; Hontz, Eric; Yost, Shane R.; Van Voorhis, Troy; Baldo, Marc A.

doi:10.1063/1.4876600

Singlet fission efficiency in tetracene-based organic solar cells

Journal Article · Mon May 12 00:00:00 EDT 2014 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4876600· OSTI ID:1384675

Wu, Tony C. ^[1]; Thompson, Nicholas J. ^[1]; Congreve, Daniel N. ^[1]; Hontz, Eric ^[1]; Yost, Shane R. ^[1]; Van Voorhis, Troy ^[1]; Baldo, Marc A. ^[1]

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Energy Frontier Research Center (EFRC)

Singlet exciton fission splits one singlet exciton into two triplet excitons. Using a joint analysis of photocurrent and fluorescence modulation under a magnetic field, we determine that the triplet yield within optimized tetracene organic photovoltaic devices is 153%±5% for a tetracene film thickness of 20 nm. The corresponding internal quantum efficiency is 127%±18%. These results are used to prove the effectiveness of a simplified triplet yield measurement that relies only on the magnetic field modulation of fluorescence. Despite its relatively slow rate of singlet fission, the measured triplet yields confirm that tetracene is presently the best candidate for use with silicon solar cells.

View Accepted Manuscript (DOE)

Research Organization:: Energy Frontier Research Centers (EFRC) (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:: 1384675

Alternate ID(s):: OSTI ID: 22273433
OSTI ID: 1161708

Journal Information:: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 19 Vol. 104; ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Triplet Harvesting from Intramolecular Singlet Fission in Polytetracene Pun, Andrew B.; Sanders, Samuel N.; Kumarasamy, Elango Advanced Materials, Vol. 29, Issue 41 https://doi.org/10.1002/adma.201701416	journal	September 2017
Sub-Picosecond Singlet Exciton Fission in Cyano-Substituted Diaryltetracenes Margulies, Eric A.; Wu, Yi-Lin; Gawel, Przemyslaw Angewandte Chemie, Vol. 127, Issue 30 https://doi.org/10.1002/ange.201501355	journal	June 2015
Sub-Picosecond Singlet Exciton Fission in Cyano-Substituted Diaryltetracenes Margulies, Eric A.; Wu, Yi-Lin; Gawel, Przemyslaw Angewandte Chemie International Edition, Vol. 54, Issue 30 https://doi.org/10.1002/anie.201501355	journal	June 2015
A Four-Step Synthesis of Substituted 5,11-Dicyano-6,12-diaryltetracenes with Enhanced Stability and High Fluorescence Emission Kerisit, Nicolas; Gawel, Przemyslaw; Levandowski, Brian Chemistry - A European Journal, Vol. 24, Issue 1 https://doi.org/10.1002/chem.201703903	journal	November 2017
Energy harvesting of non-emissive triplet excitons in tetracene by emissive PbS nanocrystals Thompson, Nicholas J.; Wilson, Mark W. B.; Congreve, Daniel N. Nature Materials, Vol. 13, Issue 11 https://doi.org/10.1038/nmat4097	journal	October 2014
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Tuning the singlet fission relevant energetic levels of quinoidal bithiophene compounds by means of backbone modifications and functional group introduction Shen, Li; Wang, Xuemin; Liu, Heyuan Physical Chemistry Chemical Physics, Vol. 20, Issue 8 https://doi.org/10.1039/c7cp08313k	journal	January 2018
Dynamics of singlet fission and electron injection in self-assembled acene monolayers on titanium dioxide Pace, Natalie A.; Arias, Dylan H.; Granger, Devin B. Chemical Science, Vol. 9, Issue 11 https://doi.org/10.1039/c7sc04688j	journal	January 2018
Crystalline silicon solar cells with tetracene interlayers: the path to silicon-singlet fission heterojunction devices MacQueen, Rowan W.; Liebhaber, Martin; Niederhausen, Jens Materials Horizons, Vol. 5, Issue 6 https://doi.org/10.1039/c8mh00853a	journal	January 2018
Molecular structure of the substrate-induced thin-film phase of tetracene Pithan, Linus; Nabok, Dmitrii; Cocchi, Caterina The Journal of Chemical Physics, Vol. 149, Issue 14 https://doi.org/10.1063/1.5043379	journal	October 2018
Enhanced Delayed Fluorescence in Tetracene Crystals by Strong Light-Matter Coupling Berghuis, Matthijs; Halpin, Alexei; Le-Van, Quynh arXiv https://doi.org/10.48550/arxiv.1907.01961	text	January 2019

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Singlet fission efficiency in tetracene-based organic solar cells

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