Journal
NANOSCALE
Volume 7, Issue 44, Pages 18424-18428Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr05437k
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Funding
- China Scholarship Council (CSC)
- University of Massachusetts Medical School
- Worcester Foundation Mel Cutler Award
- National Institutes of Health [R01MH103133]
- Human Frontier Science Program
- UMass CVIP award
- Office of Science, Office of Basic Energy Sciences, of U.S. Department of Energy [DE-AC02-05CH11231]
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One of the key roadblocks in UCNP development is its extremely limited choices of excitation wavelengths. We report a generic design to program UCNPs to possess highly tunable dye characteristic excitation bands. Using such distinctive properties, we were able to develop a new excitation wavelength selective security imaging. This work unleashed the greater freedom of the excitation wavelengths of the upconversion nanoparticles and we believe it is a game-changer in the field and this method will enable numerous applications that are currently limited by existing UCNPs.
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