Issue 23, 2018

Rapid room-temperature preparation of MoO3−x quantum dots by ultraviolet irradiation for photothermal treatment and glucose detection

Abstract

Oxygen deficient molybdenum oxide (MoO3−x) spurred intense scientific interest in biomedical research owing to the strong localized surface plasmon resonance (LSPR) effect in NIR region. Although a considerable number of methods have been used to prepare MoO3−x nanomaterials, most of them are limited by long reaction time, low yield and poor water solubility of the products. Herein, a novel ultraviolet irradiation method was developed to synthesize MoO3−x quantum dots (QDs) within 30 min, which rendered excellent water solubility and low cytotoxicity. The as-prepared MoO3−x QDs exhibited a relatively narrow size distribution with an average diameter of 5.63 nm, which was confirmed by transmission electron microscopy. Moreover, an intense LSPR effect in NIR regions was verified by UV-vis spectroscopy. Thus, the materials were used in photothermal ablation of cancer and glucose detection, showing high photothermal conversion efficiency and good sensitivity.

Graphical abstract: Rapid room-temperature preparation of MoO3−x quantum dots by ultraviolet irradiation for photothermal treatment and glucose detection

Supplementary files

Article information

Article type
Paper
Submitted
12 Aug 2018
Accepted
03 Oct 2018
First published
03 Oct 2018

New J. Chem., 2018,42, 18533-18540

Rapid room-temperature preparation of MoO3−x quantum dots by ultraviolet irradiation for photothermal treatment and glucose detection

H. Zu, Y. Guo, H. Yang, D. Huang, Z. Liu, Y. Liu and C. Hu, New J. Chem., 2018, 42, 18533 DOI: 10.1039/C8NJ04105A

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