Azide modification forming luminescent sp2 defects on single-walled carbon nanotubes for near-infrared defect photoluminescence

Keita Hayashi; Yoshiaki Niidome; Tamehito Shiga; Boda Yu; Yasuto Nakagawa; Dawid Janas; Tsuyohiko Fujigaya; Tomohiro Shiraki

doi:10.1039/D2CC04492G

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Azide modification forming luminescent sp² defects on single-walled carbon nanotubes for near-infrared defect photoluminescence†

Keita Hayashi,^a Yoshiaki Niidome,^a Tamehito Shiga,^a Boda Yu,^a Yasuto Nakagawa,^a Dawid Janas,^b Tsuyohiko Fujigaya

*^acd and Tomohiro Shiraki

*^ac

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan
E-mail: fujigaya.tsuyohiko.948@m.kyushu-u.ac.jp, shiraki.tomohiro.992@m.kyushu-u.ac.jp

^b Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, Gliwice, Poland

^c International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan

^d Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan

Abstract

Azide functionalization produced luminescent sp²-type defects on single-walled carbon nanotubes, by which defect photoluminescence appeared in near infrared regions (1116 nm). Changes in exciton properties were induced by localization effects at the defect sites, creating exciton-engineered nanomaterials based on the defect structure design.

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Article information

DOI: https://doi.org/10.1039/D2CC04492G
Article type: Communication
Submitted: 12 Aug 2022
Accepted: 16 Sep 2022
First published: 16 Sep 2022

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Chem. Commun., 2022,58, 11422-11425

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Azide modification forming luminescent sp² defects on single-walled carbon nanotubes for near-infrared defect photoluminescence

K. Hayashi, Y. Niidome, T. Shiga, B. Yu, Y. Nakagawa, D. Janas, T. Fujigaya and T. Shiraki, Chem. Commun., 2022, 58, 11422 DOI: 10.1039/D2CC04492G

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Chemical Communications