PtRu bimetallic nanoparticles embedded in MOF-derived porous carbons for efficiently electrochemical sensing of uranium

Cao, Xiaohong; Sun, Yanbing; Wang, Yingcai; Zhang, Zhibin; Dai, Ying; Wang, Youqun; Liu, Yuhui

doi:10.1007/s10008-020-04668-1

Cited by 8 publications

(6 citation statements)

References 43 publications

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Section: Mof-based Materials For Uranium Detectionmentioning

confidence: 99%

“…For the detection of UO 2 2+ ions, MOF-derived porous carbons loaded with PtRu bimetallic nanoparticles (PtRu-PCs) were synthesized by first loading the PtRu particles into a UiO66-NH 2 matrix and then following a calcination process at high temperatures (Figure 13a). 134 The XRD patterns (Figure 13b) show that the carbonization at 600 °C leads to the decomposition of the UiO66-NH 2 framework and the formation of ZrO 2− , and the characteristic peak of Pt shifted positively with the increase of Ru content, indicating the formation of PtRu alloys. As shown in Figure 13c, the reduction peak current increases with the gradual increase of U(VI) ion concentration.…”

Section: Luminescent Sensors Luminescence Detection Was Recognized As...mentioning

confidence: 99%

“…To date, MOF-based sensors have been mostly used in various sensors based on luminescent and electrochemical signals based on different mechanisms, as listed in Table . , Specifically, we discussed the typical structures, detection performances, and sensing mechanism of the representative MOF-based sensors.…”

Section: Mof-based Materials For Uranium Detectionmentioning

confidence: 99%

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Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Liu

Mao

2022

ACS Omega

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The steady supply of uranium resources and the reduction or elimination of the ecological and human health hazards of wastewater containing uranium make the recovery and detection of uranium in water greatly important. Thus, the development of effective adsorbents and sensors has received growing attention. Metal–organic frameworks (MOFs) possessing fascinating characteristics such as high surface area, high porosity, adjustable pore size, and luminescence have been widely used for either uranium adsorption or sensing. Now pertinent research has transited slowly into simultaneous uranium adsorption and detection. In this review, the progress on the research of MOF-based materials used for both adsorption and detection of uranium in water is first summarized. The adsorption mechanisms between uranium species in aqueous solution and MOF-based materials are elaborated by macroscopic batch experiments combined with microscopic spectral technology. Moreover, the application of MOF-based materials as uranium sensors is focused on their typical structures, sensing mechanisms, and the representative examples. Furthermore, the bifunctional MOF-based materials used for simultaneous detection and adsorption of U(VI) from aqueous solution are introduced. Finally, we also discuss the challenges and perspectives of MOF-based materials for uranium adsorption and detection to provide a useful inspiration and significant reference for further developing better adsorbents and sensors for uranium containment and detection.

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Section: Mof-based Materials For Uranium Detectionmentioning

confidence: 99%

Section: Luminescent Sensors Luminescence Detection Was Recognized As...mentioning

confidence: 99%

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Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Liu

Mao

2022

ACS Omega

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“…Cao et al 183 employed a bimetallic electrode (PtRu-PCs/ GCE) to determine uranium (U (VI) ) in water level and demonstrated excellent EC properties. SEM, TEM, XRD, and XPS techniques were used to examine the as-prepared PtRu-PCs.…”

Section: + == = +mentioning

confidence: 99%

Review of the Design of Ruthenium-Based Nanomaterials and Their Sensing Applications in Electrochemistry

Veerakumar

Hung

et al. 2022

J. Agric. Food Chem.

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In this review, ruthenium nanoparticles (Ru NPs)-based functional nanomaterials have attractive electrocatalytic characteristics and they offer considerable potential in a number of fields. Ru-based binary or multimetallic NPs are widely utilized for electrode modification because of their unique electrocatalytic properties, enhanced surface-area-to-volume ratio, and synergistic effect between two metals provides as an effective improved electrode sensor. This perspective review suggests the current research and development of Ru-based nanomaterials as a platform for electrochemical (EC) sensing of harmful substances, biomolecules, insecticides, pharmaceuticals, and environmental pollutants. The advantages and limitations of mono-, bi-, and multimetallic Rubased nanocomposites for EC sensors are discussed. Besides, the relevant EC properties and analyte sensing approaches are also presented. On the basis of these insights, we highlighted recent results for synthesizing techniques and EC environmental pollutant sensors from the perspectives of diverse supports, including graphene, carbon nanotubes, silica, semiconductors, metal sulfides, and polymers. Finally, this work overviews the modern improvements in the utilization of Ru-based nanocomposites on the basis for electroanalytical sensors as well as suggestions for the field's future development.

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“…In contrast, electrochemical sensors prepared using chemically modified electrodes are effective detection techniques that require low cost equipment, rapid analysis, [15] ease of operation and high detection sensitivity [16] . Moreover, among the conventional methods for the detection of uranyl ions in solution, [17] adsorption solvation voltammetry (AdSV) [18] is one of the most commonly used methods. When uranium forms complexes with surface active ligands and is deposited adsorptively on the electrode surface, it makes the sensitivity of the sensor further improved [19] .…”

Section: Introductionmentioning

confidence: 99%

Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions

Wang

Liu

et al. 2021

Zeitschrift anorg allge chemie

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The rapid development of the nuclear industry has gradually aroused people′s attention to the problem of nuclear pollution. Due to the biological toxicity of uranium and its aqueous solution, simple and rapid detection of uranium in the water environment is quite important. An ion imprinted carbon nanomaterial (graphene oxide) electrochemical sensor for the detection of trace uranyl ions was prepared by using the synthesized bipolar tetradentate macrocyclic uranyl ligand cyclo‐bis‐phenylenediamine‐bis‐(phenylmethyl‐diphyrrolecarbaldehyde) (H4L) as functional monomer. The sol‐gel polymer was prepared by hydrolysis and polymerization of H4L ligand, 3‐aminopropyltrimethoxysilane and tetraethoxysilane. H4L‐ion imprinted polymer (U‐IIP) was prepared by adding 1 mM uranyl ion as template ions. Then the polymer was bonded to graphene oxide modified carbon paste electrode, and the template ions were eluted to obtain H4L‐ion imprinted‐graphene oxide modified carbon paste electrode (U‐IIP/GO/CPE). Differential pulse voltammetry was used to detect trace uranyl ions. The results showed that the U‐IIP/GO/CPE sensor system can detect uranyl ions with high sensitivity and specificity, and the peak current appeared around −0.26v. In the range of 0.01 μM∼3.0 μM, the detection current had a good linear relationship with the molar concentration of uranyl ions, and the method detection limit was 1.32 nM (S/N=3). Through the detection of actual samples, it had a good acceptable recovery rate (95.45 %∼106.25 %), and the relative standard deviation was less than 3.25 %.

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PtRu bimetallic nanoparticles embedded in MOF-derived porous carbons for efficiently electrochemical sensing of uranium

Cited by 8 publications

References 43 publications

Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Review of the Design of Ruthenium-Based Nanomaterials and Their Sensing Applications in Electrochemistry

Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions

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PtRu bimetallic nanoparticles embedded in MOF-derived porous carbons for efficiently electrochemical sensing of uranium

Cited by 8 publications

References 43 publications

Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Metal–Organic Framework-Based Materials for Adsorption and Detection of Uranium(VI) from Aqueous Solution

Review of the Design of Ruthenium-Based Nanomaterials and Their Sensing Applications in Electrochemistry

Graphene oxide modified H4L‐ion imprinting electrochemical sensor for the detection of uranyl ions

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Product

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Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions