Resch-Genger, Ute and Gorris, Hans H. (2017) Perspectives and challenges of photon-upconversion nanoparticles - Part I: routes to brighter particles and quantitative spectroscopic studies. ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 409 (25). pp. 5855-5874. ISSN 1618-2642, 1618-2650
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Lanthanide-doped photon-upconversion nanoparticles (UCNPs) have been the focus of many research activities in materials and life sciences in the last 15 years because of their potential to convert light between different spectral regions and their unique photophysical properties. To fully exploit the application potential of these fascinating nanomaterials, a number of challenges have to be overcome, such as the low brightness, particularly of small UCNPs, and the reliable quantification of the excitation-power-density-dependent upconversion luminescence. In this series of critical reviews, recent developments in the design, synthesis, optical-spectroscopic characterization, and application of UCNPs are presented with special focus on bioanalysis and the life sciences. Here we guide the reader from the synthesis of UCNPs to different concepts to enhance their luminescence, including the required optical-spectroscopic assessment to quantify material performance; surface modification strategies and bioanalytical applications as well as selected examples of the use of UCNPs as reporters in different assay formats are addressed in part II. Future trends and challenges in the field of upconversion are discussed with special emphasis on UCNP synthesis and material characterization, particularly quantitative luminescence studies.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | NEAR-INFRARED LIGHT; PHOTOLUMINESCENCE QUANTUM YIELDS; UPCONVERTING OPTICAL-PROPERTIES; LANTHANIDE-DOPED NANOPARTICLES; CORE-SHELL NANOSTRUCTURES; SURFACE MODIFICATION; ENERGY-TRANSFER; PHOTODYNAMIC THERAPY; BIOLOGICAL WINDOW; BIOMEDICAL APPLICATIONS; Photon upconversion; Lanthanides; Nanomaterials; Fluorescence; Quantification; Background-free imaging; Dye sensitization; Forster resonance energy transfer; Plasmonics |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik |
| Depositing User: | Petra Gürster |
| Date Deposited: | 14 Dec 2018 13:19 |
| Last Modified: | 04 Sep 2020 06:34 |
| URI: | https://pred.uni-regensburg.de/id/eprint/2136 |
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