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Selective emergence of photoluminescence at telecommunication wavelengths from cyclic perfluoroalkylated carbon nanotubes

Chemistry

Selective emergence of photoluminescence at telecommunication wavelengths from cyclic perfluoroalkylated carbon nanotubes

Y. Maeda, Y. Suzuki, et al.

This innovative research by Yutaka Maeda and colleagues showcases the selective emergence of near-infrared photoluminescence at 1320 nm in single-walled carbon nanotubes, achieved through cyclic perfluoroalkylation. Their groundbreaking findings pave the way for advanced NIR light-emitting materials by enhancing our understanding of the functionalization of SWNT structures.

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Playback language: English
Abstract
Tuning the photoluminescence (PL) of single-walled carbon nanotubes (SWNTs) to telecommunication wavelengths (>1300 nm) is challenging. This study achieved selective emergence of NIR PL at 1320 nm in (6,5) SWNTs via cyclic perfluoroalkylation. This method proved effective in SWNTs with five different chiral angles. Density functional theory calculations explored the band gap modulation mechanism, highlighting the effects of addenda and addition positions. These findings advance our understanding of functionalized SWNT structures and band gap control, contributing to NIR light-emitting materials.
Publisher
Communications Chemistry
Published On
Jul 31, 2023
Authors
Yutaka Maeda, Yasuhiro Suzuki, Yui Konno, Pei Zhao, Nobuhiro Kikuchi, Michio Yamada, Masaya Mitsuishi, Anh T. N. Dao, Hitoshi Kasai, Masahiro Ehara
Tags
photoluminescence
single-walled carbon nanotubes
near-infrared
cyclic perfluoroalkylation
band gap modulation

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