Photoisomerization of Covalently Attached Diarylethene on Locally Functionalized Single-Walled Carbon Nanotubes for Photoinduced Wavelength Switching of Near-Infrared Photoluminescence

Near-infrared photoluminescence (NIR PL) at regions over 1000 nm is used by advanced optical technologies such as quantum communication and deep tissue bioimaging. We demonstrate that covalent attachment of a diarylethene derivative to single-walled carbon nanotubes (SWCNTs) introduces sp3 carbon de...

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Bibliographic Details
Published in:Journal of physical chemistry. C 2022-06, Vol.126 (25), p.10478-10486
Main Authors: Nakagawa, Yasuto, Yu, Boda, Niidome, Yoshiaki, Hayashi, Keita, Staykov, Aleksandar, Yamada, Miku, Nakashima, Takuya, Kawai, Tsuyoshi, Fujigaya, Tsuyohiko, Shiraki, Tomohiro
Format: Article
Language:English
Subjects:
C: Spectroscopy and Dynamics of Nano, Hybrid, and Low-Dimensional Materials
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Summary:Near-infrared photoluminescence (NIR PL) at regions over 1000 nm is used by advanced optical technologies such as quantum communication and deep tissue bioimaging. We demonstrate that covalent attachment of a diarylethene derivative to single-walled carbon nanotubes (SWCNTs) introduces sp3 carbon defects into the crystalline sp2 carbon networks of SWCNTs through chemical functionalization by which red-shifted and bright NIR PL band at 1142 nm appears. Moreover, its PL wavelength switching is achieved reversibly and repeatedly based on photoisomerization of the diarylethene moieties on the nanotubes. The photoswitching phenomena confirmed by spectroscopic measurements and theoretical calculations reveal that the band gaps for PL change according to the diarylethene isomerization on the nanotubes.
ISSN:1932-7447
1932-7455
DOI:10.1021/acs.jpcc.2c02977