Large optical nonlinearity induced by singlet fission in pentacene films

Yunlong Liu; Chunfeng Zhang; Rui Wang; Bo Zhang; Zhanao Tan; Xiaoyong Wang; Min Xiao

doi:10.1002/anie.201501396

Large optical nonlinearity induced by singlet fission in pentacene films

Yunlong Liu, Chunfeng Zhang^*, Rui Wang, Bo Zhang, Zhanao Tan, Xiaoyong Wang, Min Xiao

^*Corresponding author for this work

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

27 Citations (Scopus)

Abstract

By creating two triplet excitons from one photo-excited singlet exciton, singlet fission in organic semiconductors has drawn tremendous attention for its potential applications in boosting the efficiency of solar conversion. Here, we show that this carrier-multiplication effect can also be used to dramatically improve the nonlinear optical response in organic materials. We have observed large optical nonlinearity with a magnitude of χ⁽³⁾ up to 10^-9 su in pentacene films, which is further shown to be a result of singlet fission by monitoring the temporal dynamics. The potential application of such efficient nonlinear optical response has been demonstrated with a singlet-fission-induced polarization rotation.

Original language	English
Pages (from-to)	6222-6226
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	54
Issue number	21
DOIs	https://doi.org/10.1002/anie.201501396
Publication status	Published - 18 May 2015
Externally published	Yes

Keywords

nonlinear optics
pentacene
singlet fission
time-resolved spectroscopy

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title = "Large optical nonlinearity induced by singlet fission in pentacene films",

abstract = "By creating two triplet excitons from one photo-excited singlet exciton, singlet fission in organic semiconductors has drawn tremendous attention for its potential applications in boosting the efficiency of solar conversion. Here, we show that this carrier-multiplication effect can also be used to dramatically improve the nonlinear optical response in organic materials. We have observed large optical nonlinearity with a magnitude of χ(3) up to 10-9 su in pentacene films, which is further shown to be a result of singlet fission by monitoring the temporal dynamics. The potential application of such efficient nonlinear optical response has been demonstrated with a singlet-fission-induced polarization rotation.",

keywords = "nonlinear optics, pentacene, singlet fission, time-resolved spectroscopy",

author = "Yunlong Liu and Chunfeng Zhang and Rui Wang and Bo Zhang and Zhanao Tan and Xiaoyong Wang and Min Xiao",

note = "Publisher Copyright: {\textcopyright} 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

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doi = "10.1002/anie.201501396",

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T1 - Large optical nonlinearity induced by singlet fission in pentacene films

AU - Liu, Yunlong

AU - Zhang, Chunfeng

AU - Wang, Rui

AU - Zhang, Bo

AU - Tan, Zhanao

AU - Wang, Xiaoyong

AU - Xiao, Min

PY - 2015/5/18

Y1 - 2015/5/18

N2 - By creating two triplet excitons from one photo-excited singlet exciton, singlet fission in organic semiconductors has drawn tremendous attention for its potential applications in boosting the efficiency of solar conversion. Here, we show that this carrier-multiplication effect can also be used to dramatically improve the nonlinear optical response in organic materials. We have observed large optical nonlinearity with a magnitude of χ(3) up to 10-9 su in pentacene films, which is further shown to be a result of singlet fission by monitoring the temporal dynamics. The potential application of such efficient nonlinear optical response has been demonstrated with a singlet-fission-induced polarization rotation.

AB - By creating two triplet excitons from one photo-excited singlet exciton, singlet fission in organic semiconductors has drawn tremendous attention for its potential applications in boosting the efficiency of solar conversion. Here, we show that this carrier-multiplication effect can also be used to dramatically improve the nonlinear optical response in organic materials. We have observed large optical nonlinearity with a magnitude of χ(3) up to 10-9 su in pentacene films, which is further shown to be a result of singlet fission by monitoring the temporal dynamics. The potential application of such efficient nonlinear optical response has been demonstrated with a singlet-fission-induced polarization rotation.

KW - nonlinear optics

KW - pentacene

KW - singlet fission

KW - time-resolved spectroscopy

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JO - Angewandte Chemie - International Edition

JF - Angewandte Chemie - International Edition

IS - 21

ER -

Large optical nonlinearity induced by singlet fission in pentacene films

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