2021
DOI: 10.1021/acsami.1c09095
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One-Step Electrochemical Growth of 2D/3D Zn(II)-MOF Hybrid Nanocomposites on an Electrode and Utilization of a PtNPs@2D MOF Nanocatalyst for Electrochemical Immunoassay

Abstract: To date, two-dimensional (2D) and three-dimensional (3D) metal organic frameworks (MOFs) have been promising materials for applications in electrocatalysis, separation, and sensing. However, the exploration of a simple method for simultaneous fabrication of 2D/3D MOFs on a surface remains challenging. Herein, a one-step and in situ electrosynthesis strategy for fabrication of 2D Hemin-bridged MOF sheets (Hemin-MOFs) or 2D/3D Zn­(II)-MOF hybrid nanocomposites on an electrode is reported. It exhibits varied morp… Show more

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Cited by 34 publications
(12 citation statements)
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“…First, 5 mL TEOA@PtNPs was mixed with 4 mL Chitosan (CS, 0.5%) solution and stirred for 2 h and waiting for experiment. As shown in Scheme 1, 30 μL CS-dispersed TEOA@PtNPs solution was cast on the treated glassy carbon electrode (GCE) [44] and dried at room temperature. Then, 6 μL glutaraldehyde (GA, 2.5%) solution was rapidly dropped to the CS-TEOA@PtNPs/GCE modified electrode for 2 h. After being washed with 10 mM PBS (pH 7.4), 6 μL of 0.5 mg/mL anti-SARS (Ab) was added to the GA/CS-TEOA@PtNPs/GCE electrode and incubated overnight in a humid environment at 4 °C.…”
Section: Methodsmentioning
confidence: 99%
“…First, 5 mL TEOA@PtNPs was mixed with 4 mL Chitosan (CS, 0.5%) solution and stirred for 2 h and waiting for experiment. As shown in Scheme 1, 30 μL CS-dispersed TEOA@PtNPs solution was cast on the treated glassy carbon electrode (GCE) [44] and dried at room temperature. Then, 6 μL glutaraldehyde (GA, 2.5%) solution was rapidly dropped to the CS-TEOA@PtNPs/GCE modified electrode for 2 h. After being washed with 10 mM PBS (pH 7.4), 6 μL of 0.5 mg/mL anti-SARS (Ab) was added to the GA/CS-TEOA@PtNPs/GCE electrode and incubated overnight in a humid environment at 4 °C.…”
Section: Methodsmentioning
confidence: 99%
“…Recently, 2D metal-organic frameworks (MOFs) have been considered as ideal multifunctional sulfur carriers for advanced Li-S batteries due to their diverse pore structure, rich active metal sites, and large surface area. [426][427][428] Compared to 1D and 3D MOFs, 2D MOFs possess distinct flexible channels and adjustable interfaces for fast electron/ion transfer. [429][430][431] Nevertheless, the organic ligands around the metal sites lead to poor electrocatalytic activities of MOFs.…”
Section: Batteriesmentioning
confidence: 99%
“…Bottom-up approach is also efficient and more flexible for the preparation of 2D layered MOFs [50] which involve direct synthesis of single or few layer 2D MOFs from metal node and organic ligand via interfacial synthesis, modulated synthesis, three-layer synthesis, and surfactant-assisted synthesis techniques [51][52][53]. The challenging aspects of bottom-up approach are the vertical growth along x and y directions, which inhibit the stacking of the layer along the respective direction.…”
Section: Overview and Synthesis Approach Of 2d Tm-based Mofsmentioning
confidence: 99%