MoS2 quantum dots-combined zirconium-metalloporphyrin frameworks: Synergistic effect on electron transfer and application for bioassay

Wen Li Xin, Lian Fu Jiang, Li Ping Zong, Hai Bo Zeng, Guo Fang Shu, Robert Marks, Xue ji Zhang, Dan Shan

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

In this study, 2D-MoS2 quantum dots (MQDs) were combined with the zirconium based porphyrinic metal-organic framework (MOF-545-Zn) through simple ultrasonic method for the purpose of the enhanced electrochemiluminescence (ECL). In addition, electrochemiluminescence (ECL), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were performed to investigate the synergistic effect on electron transfer of the composite. MQD loading with confined orientation on the surface of MOF-545-Zn was confirmed by morphology and spectroscopy. Moreover, from hybrids material, the higher ECL intensity was received. MOF-545-Zn@MQDs was functionalized by alpha lipoic acid (LA) and was further applied to develop a novel ECL immunosensors for carcinoembryonic antigen (CEA).

Original languageEnglish
Pages (from-to)566-573
Number of pages8
JournalSensors and Actuators, B: Chemical
Volume273
DOIs
StatePublished - 10 Nov 2018

Keywords

  • 2D-MoSquantum dots
  • Electrochemiluminescence
  • Immunoassay
  • Metal-organic framework

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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