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Y6 Organic Thin‐Film Transistors with Electron Mobilities of 2.4 cm2 V−1 s−1 via Microstructural Tuning
There is a growing demand to attain organic materials with high electron mobility, μe, as current reliable reported values are significantly lower than those exhibited by their hole mobility counterparts. Here, it is shown that a well‐known nonfullerene‐acceptor commonly used in organic solar cells, that is, BTP‐4F (aka Y6), enables solution‐processed organic thin‐film transistors (OTFT) with a μe as high as 2.4 cm2 V−1 s−1. This value is comparable to those of state‐of‐the‐art n‐type OTFTs, opening up a plethora of new possibilities for this class of materials in the field of organic electronics. Such efficient charge transport is linked to a readily achievable highly ordered crystalline phase, whose peculiar structural properties are thoroughly discussed. This work proves that structurally ordered nonfullerene acceptors can exhibit intrinsically high mobility and introduces a new approach in the quest of high μe organic materials, as well as new guidelines for future materials design.
Y6 Organic Thin‐Film Transistors with Electron Mobilities of 2.4 cm2 V−1 s−1 via Microstructural Tuning
There is a growing demand to attain organic materials with high electron mobility, μe, as current reliable reported values are significantly lower than those exhibited by their hole mobility counterparts. Here, it is shown that a well‐known nonfullerene‐acceptor commonly used in organic solar cells, that is, BTP‐4F (aka Y6), enables solution‐processed organic thin‐film transistors (OTFT) with a μe as high as 2.4 cm2 V−1 s−1. This value is comparable to those of state‐of‐the‐art n‐type OTFTs, opening up a plethora of new possibilities for this class of materials in the field of organic electronics. Such efficient charge transport is linked to a readily achievable highly ordered crystalline phase, whose peculiar structural properties are thoroughly discussed. This work proves that structurally ordered nonfullerene acceptors can exhibit intrinsically high mobility and introduces a new approach in the quest of high μe organic materials, as well as new guidelines for future materials design.
Y6 Organic Thin‐Film Transistors with Electron Mobilities of 2.4 cm2 V−1 s−1 via Microstructural Tuning
Gutierrez‐Fernandez, Edgar (author) / Scaccabarozzi, Alberto D. (author) / Basu, Aniruddha (author) / Solano, Eduardo (author) / Anthopoulos, Thomas D. (author) / Martín, Jaime (author)
Advanced Science ; 9
2022-01-01
8 pages
Article (Journal)
Electronic Resource
English
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