Recent Advances of Upconversion Nanoparticles
A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".
Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 3792
Special Issue Editor
Interests: upconversion nanoparticles; nanophotonics; hybrid nanosystems; biomedical applications; single particle imaging; biodetections; point-of-care diagnostics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Lanthanide-doped upconversion nanoparticles (UCNPs) can convert multiple low-energy near infrared (NIR) photons into high-energy visible and ultraviolet (UV) light. Due to NIR light (650–950 nm and 1000–1350 nm) being able to efficiently pass through thick tissue, known as the “biological transparent window”, UCNPs are highly attractive as nanoprobes for biomolecular detection and imaging and as NIR photon transducers to deliver localized visible and UV emissions in live cells. The use of the intermediate-state energy levels of lanthanide ions as ladders to sequentially absorb multiple photons dramatically enhances photon upconversion efficiency compared to traditional upconversion methods. Many attributes, including large anti-Stokes shifts, narrow emission bandwidths, non-photobleaching and high biocompatibility, make UCNPs well suited for biological applications spanning ultra-sensitive bioassays, multimodal biomedical imaging, targeted delivery and photodynamic controlled release of genes and drugs, as well as having potential for photovoltaics, photocatalysis, security inks and displays.
This Special Issue aims to provide an overview of the recent developments in upconversion nanosystems, including but not limited to:
- Synthesis and morphology control of upconversion nanoparticles;
- Optical properties of upconversion nanoparticles;
- Single particle characterization of upconversion nanoparticles;
- Hybrid upconversion nanoparticles;
- Surface function of upconversion nanoparticles;
- Application of upconversion nanoparticles.
Dr. Shihui Wen
Guest Editor
Manuscript Submission Information
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Keywords
- upconversion
- nanoparticles
- nanoprobes
- bioimaging
- nanophotonics
- biophotonics
- biosensing
