Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light

Matthias Schulz, Frank Balzer, Dorothea Scheunemann, Oriol Arteaga, Arne Lützen, Stefan C.J. Meskers, Manuela Schiek

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

A facile route to soft matter self-powered bulk heterojunction photodiode detectors sensitive to the circular polarization state of light is shown based on the intrinsic excitonic circular dichroism of the photoactive layer blend. As light detecting materials, enantiopure semiconducting small molecular squaraine derivates of opposite handedness are employed. Via Mueller matrix ellipsometry, the circular dichroism is proven to be of H-type excitonic nature and not originating from mesoscopic structural ordering. Within the green spectral range, the photodiodes convert circular polarized light into a handedness-dependent photocurrent with a maximum dissymmetry factor of ±0.1 corresponding to 5% overall efficiency for the polarization discrimination under short circuit conditions. On the basis of transfer matrix optical simulations, it is rationalized that the optical dissymmetry fully translates into a photocurrent dissymmetry for ease of device design. Thereby, the photodiode's ability to efficiently distinguish between left and right circularly polarized light without the use of external optical elements and voltage bias is demonstrated. This allows a straightforward and sustainable future design of flexible, lightweight, and compact integrated platforms for chiroptical imaging and sensing.

OriginalsprogEngelsk
Artikelnummer1900684
TidsskriftAdvanced Functional Materials
Vol/bind29
Udgave nummer16
ISSN1616-301X
DOI
StatusUdgivet - 18. apr. 2019

Fingeraftryk

Light polarization
Photodiodes
Dichroism
Photocurrents
Circular polarization
Ellipsometry
Optical devices
Bias voltage
Short circuit currents
Heterojunctions
Polarization
Detectors
Imaging techniques

Citer dette

Schulz, M., Balzer, F., Scheunemann, D., Arteaga, O., Lützen, A., Meskers, S. C. J., & Schiek, M. (2019). Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light. Advanced Functional Materials, 29(16), [1900684]. https://doi.org/10.1002/adfm.201900684
Schulz, Matthias ; Balzer, Frank ; Scheunemann, Dorothea ; Arteaga, Oriol ; Lützen, Arne ; Meskers, Stefan C.J. ; Schiek, Manuela. / Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light. I: Advanced Functional Materials. 2019 ; Bind 29, Nr. 16.
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title = "Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light",
abstract = "A facile route to soft matter self-powered bulk heterojunction photodiode detectors sensitive to the circular polarization state of light is shown based on the intrinsic excitonic circular dichroism of the photoactive layer blend. As light detecting materials, enantiopure semiconducting small molecular squaraine derivates of opposite handedness are employed. Via Mueller matrix ellipsometry, the circular dichroism is proven to be of H-type excitonic nature and not originating from mesoscopic structural ordering. Within the green spectral range, the photodiodes convert circular polarized light into a handedness-dependent photocurrent with a maximum dissymmetry factor of ±0.1 corresponding to 5{\%} overall efficiency for the polarization discrimination under short circuit conditions. On the basis of transfer matrix optical simulations, it is rationalized that the optical dissymmetry fully translates into a photocurrent dissymmetry for ease of device design. Thereby, the photodiode's ability to efficiently distinguish between left and right circularly polarized light without the use of external optical elements and voltage bias is demonstrated. This allows a straightforward and sustainable future design of flexible, lightweight, and compact integrated platforms for chiroptical imaging and sensing.",
keywords = "Mueller matrix ellipsometry, chiral organic semiconductors, circular polarized light, excitonic circular dichroism, photovoltaic photodetectors",
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Schulz, M, Balzer, F, Scheunemann, D, Arteaga, O, Lützen, A, Meskers, SCJ & Schiek, M 2019, 'Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light', Advanced Functional Materials, bind 29, nr. 16, 1900684. https://doi.org/10.1002/adfm.201900684

Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light. / Schulz, Matthias; Balzer, Frank; Scheunemann, Dorothea; Arteaga, Oriol; Lützen, Arne; Meskers, Stefan C.J.; Schiek, Manuela.

I: Advanced Functional Materials, Bind 29, Nr. 16, 1900684, 18.04.2019.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Chiral Excitonic Organic Photodiodes for Direct Detection of Circular Polarized Light

AU - Schulz, Matthias

AU - Balzer, Frank

AU - Scheunemann, Dorothea

AU - Arteaga, Oriol

AU - Lützen, Arne

AU - Meskers, Stefan C.J.

AU - Schiek, Manuela

PY - 2019/4/18

Y1 - 2019/4/18

N2 - A facile route to soft matter self-powered bulk heterojunction photodiode detectors sensitive to the circular polarization state of light is shown based on the intrinsic excitonic circular dichroism of the photoactive layer blend. As light detecting materials, enantiopure semiconducting small molecular squaraine derivates of opposite handedness are employed. Via Mueller matrix ellipsometry, the circular dichroism is proven to be of H-type excitonic nature and not originating from mesoscopic structural ordering. Within the green spectral range, the photodiodes convert circular polarized light into a handedness-dependent photocurrent with a maximum dissymmetry factor of ±0.1 corresponding to 5% overall efficiency for the polarization discrimination under short circuit conditions. On the basis of transfer matrix optical simulations, it is rationalized that the optical dissymmetry fully translates into a photocurrent dissymmetry for ease of device design. Thereby, the photodiode's ability to efficiently distinguish between left and right circularly polarized light without the use of external optical elements and voltage bias is demonstrated. This allows a straightforward and sustainable future design of flexible, lightweight, and compact integrated platforms for chiroptical imaging and sensing.

AB - A facile route to soft matter self-powered bulk heterojunction photodiode detectors sensitive to the circular polarization state of light is shown based on the intrinsic excitonic circular dichroism of the photoactive layer blend. As light detecting materials, enantiopure semiconducting small molecular squaraine derivates of opposite handedness are employed. Via Mueller matrix ellipsometry, the circular dichroism is proven to be of H-type excitonic nature and not originating from mesoscopic structural ordering. Within the green spectral range, the photodiodes convert circular polarized light into a handedness-dependent photocurrent with a maximum dissymmetry factor of ±0.1 corresponding to 5% overall efficiency for the polarization discrimination under short circuit conditions. On the basis of transfer matrix optical simulations, it is rationalized that the optical dissymmetry fully translates into a photocurrent dissymmetry for ease of device design. Thereby, the photodiode's ability to efficiently distinguish between left and right circularly polarized light without the use of external optical elements and voltage bias is demonstrated. This allows a straightforward and sustainable future design of flexible, lightweight, and compact integrated platforms for chiroptical imaging and sensing.

KW - Mueller matrix ellipsometry

KW - chiral organic semiconductors

KW - circular polarized light

KW - excitonic circular dichroism

KW - photovoltaic photodetectors

U2 - 10.1002/adfm.201900684

DO - 10.1002/adfm.201900684

M3 - Journal article

VL - 29

JO - Advanced Functional Materials

JF - Advanced Functional Materials

SN - 1616-301X

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M1 - 1900684

ER -