Polarization-dependent exciton dynamics in tetracene single crystals

Bo Zhang; Chunfeng Zhang; Yanqing Xu; Rui Wang; Bin He; Yunlongx Liu; Shimeng Zhang; Xiaoyong Wang; Min Xiao

doi:10.1063/1.4904385

Polarization-dependent exciton dynamics in tetracene single crystals

Bo Zhang, Chunfeng Zhang, Yanqing Xu, Rui Wang, Bin He, Yunlongx Liu, Shimeng Zhang, Xiaoyong Wang, Min Xiao

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

25 Citations (Scopus)

Abstract

We conduct polarization-dependent ultrafast spectroscopy to study the dynamics of singlet fission (SF) in tetracene single crystals. The spectrotemporal species for singlet and triplet excitons in transient absorption spectra are found to be strongly dependent on probe polarization. By carefully analyzing the polarization dependence, the signals contributed by different transitions related to singlet excitons have been disentangled, which is further applied to construct the correlation between dynamics of singlet and triplet excitons. The anisotropy of exciton dynamics provides an alternative approach to tackle the long-standing challenge in understanding the mechanism of singlet fission in organic semiconductors.

Original language	English
Article number	244303
Journal	Journal of Chemical Physics
Volume	141
Issue number	24
DOIs	https://doi.org/10.1063/1.4904385
Publication status	Published - 28 Dec 2014
Externally published	Yes

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title = "Polarization-dependent exciton dynamics in tetracene single crystals",

abstract = "We conduct polarization-dependent ultrafast spectroscopy to study the dynamics of singlet fission (SF) in tetracene single crystals. The spectrotemporal species for singlet and triplet excitons in transient absorption spectra are found to be strongly dependent on probe polarization. By carefully analyzing the polarization dependence, the signals contributed by different transitions related to singlet excitons have been disentangled, which is further applied to construct the correlation between dynamics of singlet and triplet excitons. The anisotropy of exciton dynamics provides an alternative approach to tackle the long-standing challenge in understanding the mechanism of singlet fission in organic semiconductors.",

author = "Bo Zhang and Chunfeng Zhang and Yanqing Xu and Rui Wang and Bin He and Yunlongx Liu and Shimeng Zhang and Xiaoyong Wang and Min Xiao",

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T1 - Polarization-dependent exciton dynamics in tetracene single crystals

AU - Zhang, Bo

AU - Zhang, Chunfeng

AU - Xu, Yanqing

AU - Wang, Rui

AU - He, Bin

AU - Liu, Yunlongx

AU - Zhang, Shimeng

AU - Wang, Xiaoyong

AU - Xiao, Min

PY - 2014/12/28

Y1 - 2014/12/28

N2 - We conduct polarization-dependent ultrafast spectroscopy to study the dynamics of singlet fission (SF) in tetracene single crystals. The spectrotemporal species for singlet and triplet excitons in transient absorption spectra are found to be strongly dependent on probe polarization. By carefully analyzing the polarization dependence, the signals contributed by different transitions related to singlet excitons have been disentangled, which is further applied to construct the correlation between dynamics of singlet and triplet excitons. The anisotropy of exciton dynamics provides an alternative approach to tackle the long-standing challenge in understanding the mechanism of singlet fission in organic semiconductors.

AB - We conduct polarization-dependent ultrafast spectroscopy to study the dynamics of singlet fission (SF) in tetracene single crystals. The spectrotemporal species for singlet and triplet excitons in transient absorption spectra are found to be strongly dependent on probe polarization. By carefully analyzing the polarization dependence, the signals contributed by different transitions related to singlet excitons have been disentangled, which is further applied to construct the correlation between dynamics of singlet and triplet excitons. The anisotropy of exciton dynamics provides an alternative approach to tackle the long-standing challenge in understanding the mechanism of singlet fission in organic semiconductors.

UR - http://www.scopus.com/inward/record.url?scp=84919935581&partnerID=8YFLogxK

U2 - 10.1063/1.4904385

DO - 10.1063/1.4904385

M3 - Article

AN - SCOPUS:84919935581

SN - 0021-9606

VL - 141

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 24

M1 - 244303

ER -

Polarization-dependent exciton dynamics in tetracene single crystals

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