Application of upconversion-luminescent materials in temperature sensors

Sichen, Du; Wu, Jian; Wang, Yuhua

doi:10.1016/b978-0-12-822842-5.00003-0

Cited by 1 publication

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“…Thus, some energy is absorbed by the host through vibrational coupling, which explains the choice of host lattices with the lowest phonon energy. Decades of research in the upconversion field have spawned an extensive array of host nanomaterials, such as various metal oxides, oxysulfides, vanadates, halides, phosphates and so on [ 32 ]. Among them, the most popular host is hexagonal phase β-NaYF 4 , which meets the requirements for ideal host materials, such as the lowest phonon frequency, high optical transparency, less hygroscopic and brighter emission than lanthanide fluoride (LnF 3 ) host [ 33 , 34 , 35 ].…”

Section: Characteristics Of Ucnpsmentioning

confidence: 99%

Plasmon Modulated Upconversion Biosensors

et al. 2023

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Over the past two decades, lanthanide-based upconversion nanoparticles (UCNPs) have been fascinating scientists due to their ability to offer unprecedented prospects to upconvert tissue-penetrating near-infrared light into color-tailorable optical illumination inside biological matter. In particular, luminescent behavior UCNPs have been widely utilized for background-free biorecognition and biosensing. Currently, a paramount challenge exists on how to maximize NIR light harvesting and upconversion efficiencies for achieving faster response and better sensitivity without damaging the biological tissue upon laser assisted photoactivation. In this review, we offer the reader an overview of the recent updates about exciting achievements and challenges in the development of plasmon-modulated upconversion nanoformulations for biosensing application.

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