Multi-Walled Carbon Nanotube-Assisted Electrodeposition of Silver Dendrite Coating as a Catalytic Film

Fu, Li; Xie, Kefeng; Zhang, Huaiwei; Zheng, Yuhong; Su, Weitao; Liu, Zhong

doi:10.3390/coatings7120232

Cited by 18 publications

(3 citation statements)

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Graphene ink possesses desirable properties combination, including chemical internees, environmental sustainability, and good electronic conductivity [9][10][11][12][13][14][15][16][17][18]. Compared with other solution-processed conductive inks, such as transparent conductive oxides, the abundance of graphene precursor meets sustained global consumer demands.…”

Section: Introductionmentioning

confidence: 99%

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

Xie

Zheng

et al. 2018

Electronics

Self Cite

View full text Add to dashboard Cite

Graphene ink is a commercialized product in the graphene industry with promising potential application in electronic device design. However, the limitation of the graphene ink is its low electronic performance due to the ink preparation protocol. In this work, we proposed a simple post-treatment of graphene ink coating via electrochemical oxidation. The electronic conductivity of the graphene ink coating was enhanced as expected after the treatment. The proposed electrochemical oxidation treatment also exposes the defects of graphene and triggered an electrocatalytic reaction during the sensing of paracetamol (PA). The overpotential of redox is much lower than conventional PA redox potential, which is favorable for avoiding the interference species. Under optimum conditions, the graphene ink-based electrochemical sensor could linearly detect PA from 10 to 500 micro molar (µM), with a limit of detection of 2.7 µM.

show abstract

Section: Introductionmentioning

confidence: 99%

Graphene Ink Film Based Electrochemical Detector for Paracetamol Analysis

Xie

Zheng

et al. 2018

Electronics

Self Cite

View full text Add to dashboard Cite

show abstract

“…This process increased the electron transfer to the ITO and the current-produced intensity. According to a previous study reported by Fu et al (2017) [ 26 ], the MB was decreased at the ITO by two reactions of electron transfer. The mercury was attended in the system based on the results which caused oxidation of –NH 2 .…”

Section: Resultsmentioning

confidence: 89%

Optimization and Analytical Behavior of Electrochemical Sensors Based on the Modification of Indium Tin Oxide (ITO) Using PANI/MWCNTs/AuNPs for Mercury Detection

Bohari

Siddiquee

Saallah

et al. 2020

Sensors

View full text Add to dashboard Cite

In the present study, indium tin oxide (ITO) was used as a transparent working electrode for the development of an electrochemical sensor for the detection of mercury (II) ions (Hg2+). The electrode was modified by direct electrodeposition of polyaniline (PANI), multiwalled carbon nanotubes (MWCNTs) and gold nanoparticles (AuNPs) followed by optimization of the analyte and operating conditions, aiming to improve the selectivity, sensitivity and reliability of the electrode for mercury detection. Successful immobilization of the PANI and nanomaterials (MWCNTs and AuNPs) on the ITO electrode was confirmed by Scanning Electron Microscope (SEM), Energy Dispersive X-ray (EDX) and Fourier Transform Infrared Spectroscopy (FTIR) analyses. The optimum conditions for mercury detection using the modified ITO electrode were pH 7.0 of Tris-HCl buffer (50 mM) in the presence of 1 mM methylene blue (MB) as a redox indicator, a scan rate of 0.10 V·s−1 and a 70 s interaction time. The electrochemical behavior of the modified electrode under the optimized conditions indicated a high reproducibility and high sensitivity of mercury detection. It is therefore suggested that the PANI/MWCNT/AuNP-modified ITO electrode could be a promising material for the development of on-site mercury detection tools for applications in fields such as diagnostics, the environment, safety and security controls or other industries.

show abstract

“…Electrodeposition of silver metal is widely used to fabricate micro- and nanostructures for various applications including electronic devices, 1,2 solar cells, 3 catalysts, 4,5 biological science, 6,7 and sensors. 8 The importance of this technique resides in its simplicity, flexibility and low cost compared to other thin film deposition methods such as Physical Vapor Deposition (PVD) 9 and Chemical Vapor Deposition (CVD).…”

Section: Introductionmentioning

confidence: 99%