Self-Reduction of Bimetallic Nanoparticles on Flexible Mxene-Graphene Electrodes for Simultaneous Detection of Ascorbic Acid, Dopamine, and Uric Acid
SSRN, ISSN: 1556-5068
2022
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- 1Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Three-dimensional (3D) porous laser-scribed graphene (LSG) is potential electrode material for flexible electrochemical sensor own to its high-efficiency preparation and low cost. However, the growth of nanoparticles usually depends on reducers or harsh conditions, which limit the application in flexible biosensor. To solve this drawback, we applied 2D MXene nanosheets to functionalize 3D LSG sheets with a C-O-Ti covalent crosslink and obtain an LSG-MXene hybrid scaffold. We synthesized the shape-controlled Au-Pd bimetallic nanoparticles on the surface of LSG-MXene by a self-reduction process at room temperature in 6 minutes to enhance its catalytic performance. As a proof of concept, the obtained hybrid nanocomposite can assess Ascorbic Acid (AA,10-1600 μM), Dopamine (DA,12-240 μM), and Uric Acid (UA, 8-800 μM). The fabricated sensor exhibited a low detection limit (S/N = 3) of 3 μM AA, 0.13 μM DA, and 1.47 μM UA. Furthermore, the Au-Pd/MXene/LSG was successfully applied to determine AA, DA, and UA in urine samples with satisfactory. Predictable, these outstanding performance sensors have great potential in terms of flexible and wearable electronics.
Bibliographic Details
Elsevier BV
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