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3 October 2022 Elastomeric photodetectors enabled by bulk heterojunction with skin-like mechanical properties (Conference Presentation)
Canek Fuentes-Hernández, Youngrak Park, Kyungjin Kim, Wen-Fang Chou, Felipe A. Larrain, Samuel Graham, Olivier Pierron, Bernard Kippelen
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Proceedings Volume PC12210, Organic and Hybrid Sensors and Bioelectronics XV; PC1221009 (2022) https://doi.org/10.1117/12.2632816
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
We report on a ternary blend of SEBS, the donor polymer poly(3-hexylthiophene-2,5-diyl), and the small-molecule acceptor Indene-C60 bisadduct that yields an elastomeric bulk-heterojunction (e-BHJ) with skin-like mechanical properties. This is, with low Young’s moduli < 10 MPa and a high strain at break ca. 190%. We also demonstrate that stretchable e-BHJ enables stretchable organic photodiodes with measured median root-mean-squared electronic noise values in the tens of femtoampere range and measured noise equivalent power values at 653 nm between 13 and 24 pW at strain values up to 60%, yielding specific detectivity values in the 100 Giga-Jones range.
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Canek Fuentes-Hernández, Youngrak Park, Kyungjin Kim, Wen-Fang Chou, Felipe A. Larrain, Samuel Graham, Olivier Pierron, and Bernard Kippelen "Elastomeric photodetectors enabled by bulk heterojunction with skin-like mechanical properties (Conference Presentation)", Proc. SPIE PC12210, Organic and Hybrid Sensors and Bioelectronics XV, PC1221009 (3 October 2022); https://doi.org/10.1117/12.2632816
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KEYWORDS
Heterojunctions
Photodetectors
Intelligence systems
Optoelectronic devices
Polymers
Semiconductors
Skin
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