Journal
ACS SENSORS
Volume 6, Issue 12, Pages 4272-4282Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssensors.1c02101
Keywords
upconversion nanoparticles; optical materials; stimuli response; lanthanide; biosensors; temperature sensors; pressure sensors; force sensors
Funding
- National Health and Medical Research Council [GNT1160635]
- Australian Research Council Industrial Transformational Research Hub for IDEAL [IH150100028]
- Australian Research Council Laureate Fellowship Program [FL210100180]
- Science and Technology Cooperation Fund between Chinese and Australian Governments [2017YFE0132300, ACSRF65827]
- Australian Research Council [FL210100180] Funding Source: Australian Research Council
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The article introduces the unique stimuli-responsive properties of upconverting nanoparticles and their recent implementations in sensing. It also discusses promising material development strategies for enhancing key sensing merits. The outlook on future technological developments and applications of nanoscale upconversion sensors is also provided.
Upconversion nanoparticles are a class of luminescent materials that convert longer-wavelength near-infrared photons into visible and ultraviolet emissions. They can respond to various external stimuli, which underpins many opportunities for developing the next generation of sensing technologies. In this perspective, the unique stimuli-responsive properties of upconverting nanoparticles are introduced, and their recent implementations in sensing are summarized. Promising material development strategies for enhancing the key sensing merits, including intrinsic sensitivity, biocompatibility and modality, are identified and discussed. The outlooks on future technological developments, novel sensing concepts, and applications of nanoscale upconversion sensors are provided.
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