Journal
ADVANCED OPTICAL MATERIALS
Volume 10, Issue 2, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202101576
Keywords
bioimaging; electroluminescence; near-infrared; photoluminescence; sensing; single-photon emission; sp; (3) defects
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Funding
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [817494]
- Projekt DEAL
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Semiconducting single-walled carbon nanotubes exhibit remarkable electronic and optical properties, especially in the presence of sp(3) defects which can be chemically tuned for enhanced photoluminescence; these defects have diverse applications in optical sensing, bioimaging, and as components in single-photon emitters and electroluminescent devices.
Semiconducting single-walled carbon nanotubes show extraordinary electronic and optical properties, such as high charge carrier mobilities and diameter-dependent near-infrared photoluminescence. The introduction of sp(3) defects in the carbon lattice of these nanotubes creates new electronic states that result in even further red-shifted photoluminescence with longer lifetimes and higher photoluminescence yield. These luminescent defects or organic color centers can be tuned chemically by controlling the precise binding configuration and the electrostatic properties of the attached substituents. This review covers the basic photophysics of luminescent sp(3) defects, synthetic methods for their controlled formation and discusses their application as near-infrared single-photon emitters at room temperature, in electroluminescent devices, as versatile optical sensors, and as fluorophores for bioimaging and potential super-resolution microscopy.
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