Prolonging the n-type conduction of thermoelectric carbon nanotubes exposed to warm air by mixing hydrated water into the adsorbed dopant layers composed of Li+-receptor molecules

Shinichi Hata; Chika Nakagawa; Ayako Taketoshi; Toru Murayama; Tamao Ishida; Yukou Du; Yukihide Shiraishi; Naoki Toshima

doi:10.1039/D3LF00239J

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Prolonging the n-type conduction of thermoelectric carbon nanotubes exposed to warm air by mixing hydrated water into the adsorbed dopant layers composed of Li⁺-receptor molecules†

Shinichi Hata,

*^a Chika Nakagawa,^b Ayako Taketoshi,

^c Toru Murayama,

^ad Tamao Ishida,

^a Yukou Du,

^e Yukihide Shiraishi

*^b and Naoki Toshima

^bf

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan
E-mail: shinhata@tmu.ac.jp

^b Department of Applied Chemistry, Faculty of Engineering, Sanyo-Onoda City University, Daigaku-Dori, 1-1-1, Sanyo-Onoda, Yamaguchi 756-0884, Japan
E-mail: shiraishi@rs.socu.ac.jp

^c Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan

^d Yantai Key Laboratory of Gold Catalysis and Engineering, Shandong Applied Research Center of Gold Nanotechnology (AU-SDARC), School of Chemistry & Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China

^e College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China

^f Tokyo University of Science Yamaguchi, Japan

Abstract

Mixing hydrated water into the dopant layer prolongs the operational stability of n-type carbon nanotubes (CNTs). Supramolecular interactions with Li⁺ increase the water adsorption of the dopant layer, hinder atmospheric oxygen from entering the CNT structure, and extend the n-type lifetime at 373 K from 6 to 16 d.

This article is part of the themed collection: Sustainable Development Goal 7: Affordable and Clean Energy

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Article information

DOI: https://doi.org/10.1039/D3LF00239J
Article type: Communication
Submitted: 01 Dec 2023
Accepted: 04 Mar 2024
First published: 08 Apr 2024
This article is Open Access

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RSC Appl. Interfaces, 2024,1, 430-434

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Prolonging the n-type conduction of thermoelectric carbon nanotubes exposed to warm air by mixing hydrated water into the adsorbed dopant layers composed of Li⁺-receptor molecules

S. Hata, C. Nakagawa, A. Taketoshi, T. Murayama, T. Ishida, Y. Du, Y. Shiraishi and N. Toshima, RSC Appl. Interfaces, 2024, 1, 430 DOI: 10.1039/D3LF00239J

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