Photoswitchable Single-Walled Carbon Nanotubes for Super-Resolution Microscopy in the Near-Infrared - 2015--> : Nano-optique et systèmes quantiques Access content directly
Journal Articles Science Advances Year : 2019

Photoswitchable Single-Walled Carbon Nanotubes for Super-Resolution Microscopy in the Near-Infrared

Abstract

The design of single-molecule photoswitchable emitters was the first milestone toward the advent of single-molecule localization microscopy that sets a new paradigm in the field of optical imaging. Several photoswitchable emitters have been developed but they all fluoresce in the visible or far-red ranges, missing the desirable near-infrared window where biological tissues are most transparent. Moreover, photocontrol of individual emitters in the near-infrared would be highly desirable for elementary optical molecular switches or information storage elements since most communication data transfer protocols are established in this spectral range. Here we introduce a novel type of hybrid nanomaterials consisting of single-wall carbon nanotubes covalently functionalized with photo-switching molecules that are used to control the intrinsic luminescence of the single nanotubes in the near-infrared (beyond 1 µm). We provide proof-of-concept of localization microscopy based on these bright photoswitchable near-infrared emitters.
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Dates and versions

hal-02077592 , version 1 (23-03-2019)

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Antoine G. Godin, Antonio Setaro, Morgane Gandil, Rainer Haag, Mohsen Adeli, et al.. Photoswitchable Single-Walled Carbon Nanotubes for Super-Resolution Microscopy in the Near-Infrared. Science Advances , 2019, 5 (9), pp.eaax1166. ⟨hal-02077592⟩
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