Au and Au-Based nanomaterials: Synthesis and recent progress in electrochemical sensor applications

Ting Xiao; Jianshe Huang; Dewen Wang; Tian Meng; Xiurong Yang

doi:10.1016/j.talanta.2019.120210

Au and Au-Based nanomaterials: Synthesis and recent progress in electrochemical sensor applications

Talanta. 2020 Jan 1:206:120210. doi: 10.1016/j.talanta.2019.120210. Epub 2019 Aug 3.

Authors

Ting Xiao¹, Jianshe Huang², Dewen Wang¹, Tian Meng¹, Xiurong Yang³

Affiliations

¹ State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China; University of Science and Technology of China, Hefei 230026, China.
² State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China.
³ State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China; University of Science and Technology of China, Hefei 230026, China. Electronic address: xryang@ciac.ac.cn.

PMID: 31514855
DOI: 10.1016/j.talanta.2019.120210

Abstract

This review summarizes the synthesis of gold (Au) and Au-based nanomaterials and their recent advances of application in electrochemical small-molecule sensors, DNA sensors and immunosensors. Au nanoparticles with various shape and size have been synthesized by using physical, chemical, biological, electrochemical and seeding growth methods. In order to broaden the applications and improve the functionality of Au nanoparticles, numerous Au-based nanocomposite materials have been developed, including bimetallic nanoparticles, metal oxide-gold, polymer-gold, carbon nanotube-gold and graphene/graphene oxide-gold nanocomposites. Finally, the application of Au nanoparticles and Au-based nanocomposite materials in electrochemical sensors and their analytical performance were discussed.

Keywords: Electrochemical sensors; Gold nanoparticles; Gold-based nanomaterials; Recent advances.

Publication types

Review