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Zhang Q, Wu M, Fang Y, Deng C, Shen HH, Tang Y, Wang Y. One-Pot Synthesis of Ultra-Small Pt Nanoparticles-Loaded Nitrogen-Doped Mesoporous Carbon Nanotube for Efficient Catalytic Reaction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2633. [PMID: 37836274 PMCID: PMC10574567 DOI: 10.3390/nano13192633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/20/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023]
Abstract
In this study, Pt nanoparticles-loaded nitrogen-doped mesoporous carbon nanotube (Pt/NMCT) was successfully synthesized through a polydopamine-mediated "one-pot" co-deposition strategy. The Pt source was introduced during the co-deposition of polydopamine and silica on the surface of SiO2 nanowire (SiO2 NW), and Pt atoms were fixed in the skeleton by the chelation of polydopamine. Thus, in the subsequent calcination process in nitrogen atmosphere, the growth and agglomeration of Pt nanoparticles were effectively restricted, achieving the in situ loading of uniformly dispersed, ultra-small (~2 nm) Pt nanoparticles. The method is mild, convenient, and does not require additional surfactants, reducing agents, or stabilizers. At the same time, the use of the dual silica templates (SiO2 NW and the co-deposited silica nanoclusters) brought about a hierarchical pore structure with a high specific surface area (620 m2 g-1) and a large pore volume (1.46 cm3 g-1). The loading process of Pt was studied by analyzing the electron microscope and X-ray photoelectron spectroscopy of the intermediate products. The catalytic performance of Pt/NMCT was investigated in the reduction of 4-nitrophenol. The Pt/NMCT with a hierarchical pore structure had an apparent reaction rate constant of 0.184 min-1, significantly higher than that of the sample, without the removal of the silica templates to generate the hierarchical porosity (0.017 min-1). This work provides an outstanding contribution to the design of supported noble metal catalysts and also highlights the importance of the hierarchical pore structure for catalytic activity.
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Affiliation(s)
- Qian Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Minying Wu
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Yuanyuan Fang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Chao Deng
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325027, China
| | - Hsin-Hui Shen
- Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Yi Tang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
| | - Yajun Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325027, China
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Wang M, Shu T, Ge X, Hu J, Liang Y. Millimeter‐Sized Hierarchical Porous Titanosilicate Supported Ultrafine Ag Nanoparticles as Highly Efficient Catalyst. ChemistrySelect 2022. [DOI: 10.1002/slct.202202260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Minghui Wang
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Ting Shu
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Xinfeng Ge
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Jun Hu
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
| | - Yunxiao Liang
- Department of Chemistry School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 PR China
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Electrochemical Sensors Based on Au Nanoparticles Decorated Pyrene-Reduced Graphene Oxide for Hydrazine, 4-Nitrophenol and Hg 2+ Detection in Water. Molecules 2022; 27:molecules27238490. [PMID: 36500583 PMCID: PMC9738402 DOI: 10.3390/molecules27238490] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 12/12/2022] Open
Abstract
Monitoring hazardous chemical compounds such as hydrazine (N2H4), 4-nitrophenol (4-NP) and Hg2+ in natural water resources is a crucial issue due to their toxic effects on human health and catastrophic impact on the environment. Electrochemical nanostructured platforms integrating hybrid nanocomposites based on graphene derivatives and inorganic nanoparticles (NPs) are of great interest for such a purpose. In this work, disposable screen-printed carbon electrodes (SPCEs) have been modified with a hybrid nanocomposite formed by reduced graphene oxide (RGO), functionalized by 1-pyrene carboxylic acid (PCA), and decorated by colloidal Au NPs. These hybrid platforms have been tested for the electrocatalytic detection of N2H4 and 4-NP by differential pulse voltammetry and have been modified with an electropolymerized film of Hg2+ ions imprinted polycurcumin for the electroanalytical detection of Hg2+ by DPV. LODs, lower and in line with the lowest ones reported for state-of-the-art electrochemical sensors, integrating similar Au-graphene < nanocomposites, have been estimated. Additionally, good repeatability, reproducibility, and storage stability have been assessed, as well as a high selectivity in the presence of a 100-fold higher concentration of interfering species. The applicability of the proposed platforms for the detection of the compounds in real complex matrices, such as tap and river water samples, has been effectively demonstrated.
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Silver nanoparticles embedded on in-vitro biomineralized vaterite: A highly efficient catalyst with enhanced catalytic activity towards 4-Nitrophenol reduction. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111433] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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6
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Wang N, Wang F, Pan F, Yu S, Pan D. Highly Efficient Silver Catalyst Supported by a Spherical Covalent Organic Framework for the Continuous Reduction of 4-Nitrophenol. ACS APPLIED MATERIALS & INTERFACES 2021; 13:3209-3220. [PMID: 33404207 DOI: 10.1021/acsami.0c20444] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Developing new materials and novel technologies for the highly efficient treatment of toxic organic pollutants is highly desirable. Chemical reduction based on heterogeneous substrate/noble metal catalysts and the reducing agent NaBH4 has become an effective method in recent years. Here, a spherical covalent organic framework (SCOF) was designed to provide basic sites for Ag ions, by which small Ag NPs were immobilized on the SCOF to form Ag NPs@SCOF microspheres. The prepared microspheres exhibited a high catalytic reduction ability toward 4-nitrophenol (4-NP). An optimized permeation flux of 2000 L m-2 h-1 (LMH) and a more than 99% 4-NP reduction efficiency were obtained with flow-through experiments, which are far better than the reported results (below 200 LMH). Moreover, the microspheres could maintain stable catalytic performance under a continuous flow-through process. Our work provides an efficient material and technology that can be applied to easily treat toxic organic pollutants.
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Affiliation(s)
- Ning Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology of Shandong Province, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, P. R. China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Fushuai Wang
- Yantai University, Yantai, Shandong 264005, P. R. China
| | - Fei Pan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology of Shandong Province, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Shunyang Yu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology of Shandong Province, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Dawei Pan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology of Shandong Province, Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, P. R. China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
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Villora-Picó JJ, Campello-Gómez I, Serrano-Ruiz JC, Pastor-Blas MM, Sepúlveda-Escribano A, Ramos-Fernández EV. Hydrogenation of 4-nitrochlorobenzene catalysed by cobalt nanoparticles supported on nitrogen-doped activated carbon. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00140j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hydrogenation of nitroarenes to produce the corresponding amines using dihydrogen as reducing agent has an important industrial role, since it allows to obtain important added-value products.
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Affiliation(s)
- J. J. Villora-Picó
- Laboratorio de Materiales Avanzados
- Departamento de Química Inorgánica – Instituto Universitario de Materiales de Alicante
- Universidad de Alicante
- Alicante
- Spain
| | - I. Campello-Gómez
- Laboratorio de Materiales Avanzados
- Departamento de Química Inorgánica – Instituto Universitario de Materiales de Alicante
- Universidad de Alicante
- Alicante
- Spain
| | - J. C. Serrano-Ruiz
- Materials and Sustainability Group
- Department of Engineering
- Universidad Loyola Andalucía
- 41704 Dos Hermanas
- Spain
| | - M. M. Pastor-Blas
- Laboratorio de Materiales Avanzados
- Departamento de Química Inorgánica – Instituto Universitario de Materiales de Alicante
- Universidad de Alicante
- Alicante
- Spain
| | - A. Sepúlveda-Escribano
- Laboratorio de Materiales Avanzados
- Departamento de Química Inorgánica – Instituto Universitario de Materiales de Alicante
- Universidad de Alicante
- Alicante
- Spain
| | - E. V. Ramos-Fernández
- Laboratorio de Materiales Avanzados
- Departamento de Química Inorgánica – Instituto Universitario de Materiales de Alicante
- Universidad de Alicante
- Alicante
- Spain
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Xu Y, Wu C, Wang Y, Zhang Y, Sun H, Chen H, Zhao Y. Cooperation between Pt and Ru on RuPt/AC bimetallic catalyst in the hydrogenation of phthalates. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.04.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Mierczynski P, Mosinska M, Szkudlarek L, Chalupka K, Tatsuzawa M, Al Maskari M, Maniukiewicz W, Wahono SK, Vasilev K, Szynkowska-Jozwik MI. Biodiesel Production on Monometallic Pt, Pd, Ru, and Ag Catalysts Supported on Natural Zeolite. MATERIALS 2020; 14:ma14010048. [PMID: 33374381 PMCID: PMC7796065 DOI: 10.3390/ma14010048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/15/2020] [Accepted: 12/18/2020] [Indexed: 12/17/2022]
Abstract
Biodiesel production from rapeseed oil and methanol via transesterification reaction facilitated by various monometallic catalyst supported on natural zeolite (NZ) was investigated. The physicochemical characteristics of the synthesized catalysts were studied by X-ray diffraction (XRD), Brunauer–Emmett–Teller method (BET), temperature-programmed-reduction in hydrogen (H2-TPR), temperature-programmed-desorption of ammonia (NH3-TPD), Scanning Electron Microscope equipped with EDX detector (SEM-EDS), and X-ray photoelectron spectroscopy (XPS) methods. The highest activity and methyl ester yields were obtained for the Pt/NZ catalyst. This catalyst showed the highest triglycerides conversion of 98.9% and fatty acids methyl esters yields of 94.6%. The activity results also confirmed the high activity of the carrier material (NZ) itself in the investigated reaction. Support material exhibited 90.5% of TG conversion and the Fatty Acid Methyl Esters yield (FAME) of 67.2%. Introduction of noble metals improves the TG conversion and FAME yield values. Increasing of the metal loading from 0.5 to 2 wt.% improves the reactivity properties of the investigated catalysts.
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Affiliation(s)
- Pawel Mierczynski
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
- Correspondence: ; Tel.: +48-42-631-3125
| | - Magdalena Mosinska
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
| | - Lukasz Szkudlarek
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
| | - Karolina Chalupka
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
| | - Misa Tatsuzawa
- Department of Chemistry, Graduate School of Science, Tokyo University of Science, Tokyo 162-8601, Japan;
| | - Marwa Al Maskari
- Petroleum and Chemical Engineering Department, Sultan Qaboos University, P.O. Box 33, Muscat P.C 123, Oman;
| | - Waldemar Maniukiewicz
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
| | - Satriyo K. Wahono
- Research Division for Natural Product Technology, Indonesian Institutes of Sciences, Jl. Jogja–Wonosari km 32, Gading, Playen, Gunungkidul, Yogyakarta 55861, Indonesia
| | - Krasimir Vasilev
- Academic Unit of STEM, University of South Australia, Mawson Lakes, Adelaide, SA 5095, Australia;
| | - Malgorzata I. Szynkowska-Jozwik
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (M.M.); (L.S.); (K.C.); (W.M.); (M.I.S.-J.)
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Pd/Mo2N-TiO2 as efficient catalysts for promoted selective hydrogenation of 4-nitrophenol: A green bio-reducing preparation method. J Catal 2020. [DOI: 10.1016/j.jcat.2020.08.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Fernandes DM, Rocha M, Rivera-Cárcamo C, Serp P, Freire C. Ru single atoms and nanoparticles on carbon nanotubes as multifunctional catalysts. Dalton Trans 2020; 49:10250-10260. [PMID: 32672264 DOI: 10.1039/d0dt02096f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the last decade we have witnessed increasing interest in the production of renewable energy and value-added chemicals through sustainable and low-cost technologies where catalysts play a crucial role. Herein, we report the application of a Ru/CNT material containing a mixture of Ru single atoms and Ru nanoparticles as a multifunctional catalyst for both the catalytic reduction of nitroarenes and the electrocatalytic oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). The catalytic activity of the Ru-CNT material was evaluated in the reduction of 4-nitrophenol (4-NP), 4-nitroaniline (4-NA) and 2-nitrophenol (2-NP) in the presence of sodium borohydride as a reducing agent at room temperature, showing high catalytic activity with normalized rate constants (knor) of 19.0 × 103, 57.7 × 103 and 16.6 × 103 min-1 mmol-1 respectively. Furthermore, the catalyst could be reused in at least 10 cycles without catalytic activity loss, confirming the high stability and robustness of the material. The Ru/CNT material also showed good ORR electrocatalytic activity in alkaline medium with Eonset of 0.76 V vs. RHE, a diffusion-limited current density of 3.89 mA cm-2 and ñO2 of 3.3. In addition, Ru/CNT was remarkably insensitive to methanol with a current retention of 93% (51% for Pt/C) and competitive electrochemical stability of 80% after 20 000 s. Moreover, Ru/CNT was active for the OER with jmax = 29.5 mA cm-2 at E = 1.86 V vs. RHE, η10 = 0.50 V and good stability (η10 changed to 0.01 V and jmax only decreased by ≈12% after 500 cycles).
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Affiliation(s)
- Diana M Fernandes
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
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Emadi F, Nemati F, Elhampour A. Silver Nanoparticles Supported on Mesoporous Triazine Carbon Material: A Versatile Catalyst for Reduction of Nitroaromatic Compounds. ChemistrySelect 2020. [DOI: 10.1002/slct.202000645] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | - Ali Elhampour
- Department of ChemistrySemnan University, Semnan Iran
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Highly Dispersed Pt Nanoparticles on N-Doped Ordered Mesoporous Carbon as Effective Catalysts for Selective Hydrogenation of Nitroarenes. Catalysts 2020. [DOI: 10.3390/catal10040374] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Highly-dispersed Pt nanoparticles supported on nitrogen-modified CMK-3 mesoporous carbon (Pt/N-CMK-3) were first fabricated by a two-step impregnation route. The influences of N content on the catalyst porous structure, Pt nanoparticle size, surface properties, and interaction between Pt species and the support were investigated in detail using N2 sorption, X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectra (XPS). The N species acted as anchoring sites for the stabilization of Pt particles. Benefiting from the formation of ultrafine metal nanoparticles, the Pt/N-CMK-3 exhibited excellent catalytic activity and selectivity for the selective hydrogenation of nitro aromatics to the corresponding anilines with hydrogen. The Pt/N-CMK-3 catalyst could be reused eight times and keep its catalytic performance.
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Ma Y, Lang Z, Du J, Yan L, Wang Y, Tan H, Khan SU, Liu Y, Kang Z, Li Y. A switchable-selectivity multiple-interface Ni-WC hybrid catalyst for efficient nitroarene reduction. J Catal 2019. [DOI: 10.1016/j.jcat.2019.06.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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