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Issue 4, 2017
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Anti-Stokes shift luminescent materials for bio-applications

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Abstract

Anti-Stokes shift luminescence is a special optical process, which converts long-wavelength excitation to short-wavelength emission. This unique ability is especially helpful for bio-applications, because the longer-wavelength light source, usually referring to near infrared light, has a larger penetration depth offering a longer working distance for in vivo applications. The anti-Stokes shift luminescence signal can also be distinguished from the auto-fluorescence of biological tissues, thus reducing background interference during bioimaging. Herein, we summarize recent advances in anti-Stokes shift luminescent materials, including lanthanide and triplet–triplet-annihilation-based upconversion nanomaterials, and newly improved hot-band absorption-based luminescent materials. We focus on the synthetic strategies, optical optimization and biological applications as well as present comparative discussions on the luminescence mechanisms and characteristics of these three types of luminescent materials.

Graphical abstract: Anti-Stokes shift luminescent materials for bio-applications

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Publication details

The article was received on 31 May 2016 and first published on 14 Dec 2016


Article type: Tutorial Review
DOI: 10.1039/C6CS00415F
Chem. Soc. Rev., 2017,46, 1025-1039

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    Anti-Stokes shift luminescent materials for bio-applications

    X. Zhu, Q. Su, W. Feng and F. Li, Chem. Soc. Rev., 2017, 46, 1025
    DOI: 10.1039/C6CS00415F

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