Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability

Il Jeon; Clement Delacou; Hiroshi Okada; Graham E. Morse; Tae-Hee Han; Yuta Sato; Anton Anisimov; Kazu Suenaga; Esko I. Kauppinen; Shigeo Maruyama; Yutaka Matsuo

doi:10.1039/C8TA03383H

Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability†

Il Jeon,

‡^a Clement Delacou,

‡^a Hiroshi Okada,

^a Graham E. Morse,^b Tae-Hee Han,^c Yuta Sato,

^d Anton Anisimov,^e Kazu Suenaga,^ad Esko I. Kauppinen,^f Shigeo Maruyama

*^ag and Yutaka Matsuo

*^ah

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* Corresponding authors

^a Department of Mechanical Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: maruyama@photon.t.u-tokyo.ac.jp, matsuo@photon.t.u-tokyo.ac.jp

^b Chilworth Technical Centre, Merck Chemicals Ltd., University Parkway, SO16 7QD Southampton, UK

^c Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA

^d Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan

^e Canatu Ltd., Konalankuja 5, FI-00390 Helsinki, Finland

^f Department of Applied Physics, Aalto University School of Science, FI-00076 Aalto, Finland

^g Research Institute for Energy Conservation, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8564, Japan

^h Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China

Abstract

This communication reports the discovery of a polymeric acid, tetrafluoroethylene-based fluoropolymer-copolymer sulfonic acid, functioning as an effective p-type dopant for transparent carbon electrodes. The polymeric acid exhibits high doping effectiveness which is durable for more than one year. Carbon nanotube transparent electrodes doped with the polymeric acid were used in organic solar cells. The devices show excellent efficiency with remarkable stability owing to the polymeric acid's strong acidity and stability.

This article is part of the themed collection: 2018 Journal of Materials Chemistry A HOT Papers

Journal of Materials Chemistry A

Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability†

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Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability

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