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|Title:||Multicolor barcoding in a single upconversion crystal|
|Source:||Zhang, Y., Zhang, L., Deng, R., Tian, J., Zong, Y., Jin, D., Liu, X. (2014-04-02). Multicolor barcoding in a single upconversion crystal. Journal of the American Chemical Society 136 (13) : 4893-4896. ScholarBank@NUS Repository. https://doi.org/10.1021/ja5013646|
|Abstract:||We report the synthesis of luminescent crystals based on hexagonal-phase NaYF4 upconversion microrods. The synthetic procedure involves an epitaxial end-on growth of upconversion nanocrystals comprising different lanthanide activators onto the NaYF4 microrods. This bottom-up method readily affords multicolor-banded crystals in gram quantity by varying the composition of the activators. Importantly, the end-on growth method using one-dimensional microrods as the template enables facile multicolor tuning in a single crystal, which is inaccessible in conventional upconversion nanoparticles. We demonstrate that these novel materials offer opportunities as optical barcodes for anticounterfeiting and multiplexed labeling applications. © 2014 American Chemical Society.|
|Source Title:||Journal of the American Chemical Society|
|Appears in Collections:||Staff Publications|
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