Luminescent core–shell Fe3O4@Gd2O3:Er3+, Li+ composite particles with enhanced optical properties

Hong Ha Thi Vu; Timur Sh. Atabaev; Nang Dinh Nguyen; Yoon-Hwae Hwang; Hyung-Kook Kim

doi:10.1007/s10971-014-3382-9

journal article·2014-09

Luminescent core–shell Fe3O4@Gd2O3:Er3+, Li+ composite particles with enhanced optical properties

Hong Ha Thi Vu, Timur Sh. Atabaev, Nang Dinh Nguyen, Yoon-Hwae Hwang, Hyung-Kook Kim

Journal of Sol-Gel Science and Technology· Volume 71· Issue 3

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Source abstract

Abstract

Bifunctional magneto-optical nanocomposites with Fe3O4 nanoparticles as a core and erbium and lithium codoped gadolinium (Gd2O3:Er3+, Li+) as the shell were synthesized successfully using a simple urea homogeneous precipitation method. The fabricated Fe3O4@Gd2O3:Er3+, Li+ particles were characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, photoluminescence spectroscopy and quantum design vibrating sample magnetometry. The upconversion emission intensity was enhanced significantly comparing to that without Li+ ions. These bifunctional composites are expected to be potentially applied for drug delivery, cell separation and bioimaging.

Source: openaire · Quality: candidate unverified · Source record ↗

Research context

Nanomaterials Composites

OpenAlex topics: Magneto-Optical Properties and Applications · Lanthanide and Transition Metal Complexes · Photonic Crystals and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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