Multicolor barcoding in a single upconversion crystal

Publication Type:
Journal Article
Citation:
Journal of the American Chemical Society, 2014, 136 (13), pp. 4893 - 4896
Issue Date:
2014-04-02
Full metadata record
Files in This Item:
Filename Description Size
Multicolor Barcoding in a Single Upconversion Crystal.pdfPublished Version3.71 MB
Adobe PDF
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.
Please use this identifier to cite or link to this item: