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Viscosity sensitive near-infrared fluorescent probes based on functionalized single-walled carbon nanotubes

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Abstract

A viscosity-sensitive fluorescent probe is demonstrated by grafting a rotatable 4-N,N′-dimethylaniline group on (6,5) single-walled carbon nanotubes. The rotation of the grafted group is constricted by solution viscosity, causing changes in the photoluminescence behaviors of the nanotubes. This enables a highly sensitive fluorescent probe for determining solution ratiometric viscosity in the biologically transparent second near-infrared region.

Graphical abstract: Viscosity sensitive near-infrared fluorescent probes based on functionalized single-walled carbon nanotubes

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Article information


Submitted
18 Apr 2020
Accepted
15 Jun 2020
First published
16 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Viscosity sensitive near-infrared fluorescent probes based on functionalized single-walled carbon nanotubes

F. Liu, Z. Yuan, X. Sui, C. Wang, M. Xu, W. Li and Y. Chen, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02813D

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