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LSPR effects in a magnetic-luminescence heterostructure for efficient enhance luminescence performance

Abstract

The major challenges faced by magnetic-luminescent bi-functional nanocomposites include poor luminescent intensity and serious magnetic-luminescence quenching. Introduction of intermediate layer with localized surface plasmon resonance (LSPR) effects in magnetic-luminescent bi-functional nanocomposites plays a major role in solve these challenges. Here, a fascinating process of plasmonic energy conversion in Fe3O4@WO3@GdF3:Eu3+ heterostructures, which can enhance the luminescence by LSPR effects of WO3, is demonstrated. It is proposed that the LSPR of WO3 is the primary reason for the enhanced luminescence of Fe3O4@GdF3:Eu3+. Meanwhile, this plasmon-enhanced luminescence can be partly absorbed by the WO3 to re-excite its higher energy LSPR, thus leading to the selective enhancement of luminescence for the Fe3O4@WO3@GdF3:Eu3+ heterostructures. More importantly, the saturation magnetization is not significant decline by introducing WO3 with LSPR effect. This research conclusion can solve the property problem of the magnetic-luminescent bimodal imaging material and promote this kind of composite material applications in therapy of tumor, and optical confocal microscopy technology.

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Publication details

The article was received on 13 Aug 2018, accepted on 02 Nov 2018 and first published on 06 Nov 2018


Article type: Paper
DOI: 10.1039/C8NJ04125C
Citation: New J. Chem., 2018, Accepted Manuscript
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    LSPR effects in a magnetic-luminescence heterostructure for efficient enhance luminescence performance

    H. Peng, Y. he, J. Wen and L. Zhang, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ04125C

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