Highly Conductive and Solution-Processable n-Doped Transparent Organic Conductor

Zhifan Ke; Ashkan Abtahi; Jinhyo Hwang; Ke Chen; Jagrity Chaudhary; Inho Song; Kuluni Perera; Liyan You; Kyle N. Baustert; Kenneth R. Graham; Jianguo Mei

doi:10.1021/jacs.2c13051

Highly Conductive and Solution-Processable n-Doped Transparent Organic Conductor

Zhifan Ke, Ashkan Abtahi, Jinhyo Hwang, Ke Chen, Jagrity Chaudhary, Inho Song, Kuluni Perera, Liyan You, Kyle N. Baustert, Kenneth R. Graham, Jianguo Mei

Chemistry

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

4 Scopus citations

Abstract

Transparent conductors (TCs) play a vital role in displays, solar cells, and emerging printed electronics. Here, we report a solution-processable n-doped organic conductor from copper-catalyzed cascade reactions in the air, which involves oxidative polymerization and reductive doping in one pot. The formed polymer ink is shelf-stable over 20 days and can endure storage temperatures from -20 to 65 °C. The optimized n-doped thin-film TC exhibits a low sheet resistance of 45 ω/sq and a high transmittance (T550 > 80%), which can rival indium tin oxide. The transparent organic conductor exhibits excellent durability under accelerated weathering tests (85 °C/85% RH). Furthermore, the n-doped polymer film can also function as an electrode material with a high volumetric capacity. When it is paired with p-doped PEDOT:PSS, a record-high coloration efficiency is obtained in a dual-polymer electrochromic device.

Original language	English
Pages (from-to)	3706-3715
Number of pages	10
Journal	Journal of the American Chemical Society
Volume	145
Issue number	6
DOIs	https://doi.org/10.1021/jacs.2c13051
State	Published - Feb 15 2023

Bibliographical note

Funding Information:
Z.K. was supported by the Office of Naval Research (N00014-22-1-2177, Program Manager: Dr. Paul Armistead). A.A., J.H., K.C., and I.S. were supported by Ambilight under research contract. K.P. and J.C. were supported by Multidisciplinary University Research Initiative (N00014-21-1-2476, Program Manager: Dr. Chad Stoltz).

Publisher Copyright:
© 2023 American Chemical Society.

ASJC Scopus subject areas

Catalysis
Chemistry (all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/jacs.2c13051

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title = "Highly Conductive and Solution-Processable n-Doped Transparent Organic Conductor",

abstract = "Transparent conductors (TCs) play a vital role in displays, solar cells, and emerging printed electronics. Here, we report a solution-processable n-doped organic conductor from copper-catalyzed cascade reactions in the air, which involves oxidative polymerization and reductive doping in one pot. The formed polymer ink is shelf-stable over 20 days and can endure storage temperatures from -20 to 65 °C. The optimized n-doped thin-film TC exhibits a low sheet resistance of 45 ω/sq and a high transmittance (T550 > 80%), which can rival indium tin oxide. The transparent organic conductor exhibits excellent durability under accelerated weathering tests (85 °C/85% RH). Furthermore, the n-doped polymer film can also function as an electrode material with a high volumetric capacity. When it is paired with p-doped PEDOT:PSS, a record-high coloration efficiency is obtained in a dual-polymer electrochromic device.",

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AU - Abtahi, Ashkan

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AU - Chaudhary, Jagrity

AU - Song, Inho

AU - Perera, Kuluni

AU - You, Liyan

AU - Baustert, Kyle N.

AU - Graham, Kenneth R.

AU - Mei, Jianguo

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PY - 2023/2/15

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N2 - Transparent conductors (TCs) play a vital role in displays, solar cells, and emerging printed electronics. Here, we report a solution-processable n-doped organic conductor from copper-catalyzed cascade reactions in the air, which involves oxidative polymerization and reductive doping in one pot. The formed polymer ink is shelf-stable over 20 days and can endure storage temperatures from -20 to 65 °C. The optimized n-doped thin-film TC exhibits a low sheet resistance of 45 ω/sq and a high transmittance (T550 > 80%), which can rival indium tin oxide. The transparent organic conductor exhibits excellent durability under accelerated weathering tests (85 °C/85% RH). Furthermore, the n-doped polymer film can also function as an electrode material with a high volumetric capacity. When it is paired with p-doped PEDOT:PSS, a record-high coloration efficiency is obtained in a dual-polymer electrochromic device.

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Highly Conductive and Solution-Processable n-Doped Transparent Organic Conductor

Abstract

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ASJC Scopus subject areas

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