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Yang Y, Miao C, Wang R, Zhang R, Li X, Wang J, Wang X, Yao J. Advances in morphology-controlled alumina and its supported Pd catalysts: synthesis and applications. Chem Soc Rev 2024; 53:5014-5053. [PMID: 38600823 DOI: 10.1039/d3cs00776f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Alumina materials, as one of the cornerstones of the modern chemical industry, possess physical and chemical properties that include excellent mechanical strength and structure stability, which also make them highly suitable as catalyst supports. Alumina-supported Pd-based catalysts with the advantages of exceptional catalytic performance, flexible regulated surface metal/acid sites, and good regeneration ability have been widely used in many traditional chemical industry fields and have also shown great application prospects in emerging fields. This review aims to provide an overview of the recent advances in alumina and its supported Pd-based catalysts. Specifically, the synthesis strategies, morphology transformation mechanisms, and structural properties of alumina with various morphologies are comprehensively summarized and discussed in-depth. Then, the preparation approaches of Pd/Al2O3 catalysts (impregnation, precipitation, and other emerging methods), as well as the metal-support interactions (MSIs), are revisited. Moreover, Some promising applications have been chosen as representative reactions in fine chemicals, environmental purification, and sustainable development fields to highlight the universal functionality of the alumina-supported Pd-based catalysts. The role of the Pd species, alumina support, promoters, and metal-support interactions in the enhancement of catalytic performance are also discussed. Finally, some challenges and upcoming opportunities in the academic and industrial application of the alumina and its supported Pd-based are presented and put forward.
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Affiliation(s)
- Yanpeng Yang
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Chenglin Miao
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Ruoyu Wang
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Rongxin Zhang
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Xiaoyu Li
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Jieguang Wang
- SINOPEC Research Institute of Petroleum Processing Co., Ltd., Beijing, 100083, P. R. China.
| | - Xi Wang
- Key Laboratory of Luminescence and Optical Information, Ministry of Education, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, P. R. China.
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 51031, P. R. China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Science, Beijing 100190, P. R. China.
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Saraji M, Fouladi M, Mohammadnezhad G, Mehrafza N. Application of boehmite as a fiber coating for headspace solid-phase microextraction of chlorophenols from aqueous samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 38037742 DOI: 10.1039/d3ay01421e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
In this paper, the extraction of chlorophenols from water samples was carried out using high surface area boehmite nanoparticles as a sorbent. The surfactant-free process employed to make the nano-boehmite used in this work was simple, green, and efficient. The proposed approach was based on headspace solid-phase microextraction, followed by GC-ECD for the determination of analytes. In situ derivatization of analytes was performed with acetic anhydride in a basic medium. Various effective parameters, including the amount of derivatization reagent, ionic strength, desorption temperature and time, extraction temperature, equilibrium time, and extraction time were studied. Under optimal conditions, the linear dynamic range was 0.05-5.0 μg L-1 for 2,4-dichlorophenol and 2,6-dichlorophenol and 0.003-0.1 μg L-1 for 2,4,6-trichlorophenol. A low limit of detection (0.75 × 10-3-15 × 10-3 μg L-1), and relative standard deviations for real samples (RSDs) <10% were obtained. The precision (as intra- and inter-day RSDs) was between 1.2 and 9.8%. In comparison to commercial fibers (CAR-PDMS, 85 μm), this fiber showed a greater extraction efficiency. Various water samples were subjected to extraction by the proposed method. The recoveries ranged from 90 to 110%.
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Affiliation(s)
- Mohammad Saraji
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Monir Fouladi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | | | - Narges Mehrafza
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
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Neto ADBS, Alves da Cruz MG, Jeanneau E, Oliveira AC, Essayem N, Mishra S. Designed sol–gel precursors for atomically dispersed Nb and Pb within TiO2 as catalysts for dihydroxyacetone transformation. Dalton Trans 2021; 50:1604-1609. [DOI: 10.1039/d0dt03726e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
New N-methyldiethanolamine-modified metal alkoxides were synthesized and employed as sol–gel precursors to obtain atomically dispersed catalysts with high surface area and tunable acid–base properties.
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Affiliation(s)
- Antonio de Brito Santiago Neto
- Université Claude Bernard Lyon 1
- CNRS
- UMR 5256
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON)
- 69626 Villeurbanne
| | - Márcia Gabriely Alves da Cruz
- Université Claude Bernard Lyon 1
- CNRS
- UMR 5256
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON)
- 69626 Villeurbanne
| | - Erwann Jeanneau
- Université Claude Bernard Lyon 1
- Centre de Diffractométrie Henri Longchambon
- 69100 Villeurbanne
- France
| | - Alcineia Conceição Oliveira
- Universidade Federal do Ceará
- Campus do Pici-Bloco 940
- Departamento de Química Analítica e Fisioquímica
- 60.000.000 Fortaleza
- Brazil
| | - Nadine Essayem
- Université Claude Bernard Lyon 1
- CNRS
- UMR 5256
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON)
- 69626 Villeurbanne
| | - Shashank Mishra
- Université Claude Bernard Lyon 1
- CNRS
- UMR 5256
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON)
- 69626 Villeurbanne
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Mishra S, Daniele S. Molecular Engineering of Metal Alkoxides for Solution Phase Synthesis of High-Tech Metal Oxide Nanomaterials. Chemistry 2020; 26:9292-9303. [PMID: 32427371 DOI: 10.1002/chem.202000534] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Indexed: 01/22/2023]
Abstract
The 'bottom-up' synthesis of inorganic nanomaterials with precision at the atomic/molecular level offers many opportunities for the design and improvement of the nanomaterials for various applications. Molecular engineering during soft chemical processing for the synthesis of functional nanomaterials enables the desired chemical and physical properties of the precursors, such as solubility or volatility, clean decomposition, control of stoichiometry for multimetallic species to name a few, and leads to easy control of uniform particle size distribution, stoichiometry…. This Minireview illustrates some important aspects of the molecular engineering in light of some recent developments from the molecular synthesis of nanomaterials involving non-silicon metal alkoxide systems for high-tech applications.
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Affiliation(s)
- Shashank Mishra
- CNRS, IRCELYON, UMR 5256, Univ Lyon, Université Claude Bernard Lyon 1, 2 avenue Albert Einstein, 69626, Villeurbanne, France
| | - Stéphane Daniele
- C2P2-UMR 5265, ESCPE-Lyon, BP 2077, Univ Lyon, Université Claude Bernard Lyon 1, 69616, Villeurbanne, France
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Najafi Chermahini A, Moslemi A, Mohammadnezhad G. Ultra‐deep desulfurization of a model fuel using novel VOHPO
4
0.5H
2
O/boehmite catalysts. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4877] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Ali Moslemi
- Department of ChemistryIsfahan University of Technology 84154‐83111 Isfahan Iran
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Sobhani R, Rezaei B, Shahshahanipour M, Ensafi AA, Mohammadnezhad G. Simple and green synthesis of carbon dots (CDs) from valerian root and application of modified mesoporous boehmite (AlOOH) with CDs as a fluorescence probe for determination of imipramine. Anal Bioanal Chem 2019; 411:3115-3124. [PMID: 30989266 DOI: 10.1007/s00216-019-01779-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/18/2019] [Accepted: 03/11/2019] [Indexed: 01/08/2023]
Abstract
A novel, sensitive, rapid, and simple fluorescent probe has been developed based on green-synthesized carbon dots (CDs). In this work, CDs have been synthesized from valerian root by hydrothermal method. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) results confirm the formation of CDs with sizes of less than 10 nm. Fluorescence quenching of CDs was due to the aggregation of the negative charges of CDs with the positive charge of imipramine (IMI) and was then used as the signal for determination of IMI. In addition, the cytotoxicity of CDs was determined using the MTT assay. The probe responses under optimum conditions were linear in the range of 1.0-200.0 ng mL-1 with a limit of detection of 0.6 ng mL-1. Afterwards, mesoporous boehmite (MB) was modified with synthesized CDs (CDs/MB). TEM images confirmed MB modification with CDs. In this case, the variations in the fluorescence signal for different concentrations of IMI increased leading to the higher sensitivity for IMI detection. The limit of detection and linear range for determination of IMI with CDs/MB were obtained as 0.2 and 0.5-200.0 ng mL-1, respectively. To evaluate the fluorescent probe, IMI was measured in real samples. Graphical abstract.
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Affiliation(s)
- Reyhaneh Sobhani
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Behzad Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
| | | | - Ali A Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
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Strzemiecka B, Sandomierski M, Voelkel A. Influence of Change of Si/Al Ratio on the Synthesis of Mesoporous Aluminosilicates and Flexural Strength of Novolac Composites. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01076-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rezaei B, Hassani Z, Shahshahanipour M, Ensafi AA, Mohammadnezhad G. Application of modified mesoporous boehmite (γ-AlOOH) with green synthesis carbon quantum dots for a fabrication biosensor to determine trace amounts of doxorubicin. LUMINESCENCE 2018; 33:1377-1386. [DOI: 10.1002/bio.3558] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/06/2018] [Accepted: 09/10/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Behzad Rezaei
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
| | - Zahra Hassani
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
| | | | - Ali A. Ensafi
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
| | - G. Mohammadnezhad
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
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Mohammadnezhad G, Abad S, Soltani R, Dinari M. Study on thermal, mechanical and adsorption properties of amine-functionalized MCM-41/PMMA and MCM-41/PS nanocomposites prepared by ultrasonic irradiation. ULTRASONICS SONOCHEMISTRY 2017; 39:765-773. [PMID: 28733004 DOI: 10.1016/j.ultsonch.2017.06.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/31/2017] [Accepted: 06/01/2017] [Indexed: 05/06/2023]
Abstract
In this study, two common industrial polymers, poly(methyl methacrylate) (PMMA) and polystyrene (PS), were incorporated into amine-functionalized MCM-41 mesoporous silica as reinforcement agents via an ultrasonic assisted method as a facile, fast, eco-friendly, and versatile synthetic tool. Amino functionalization of MCM-41 were performed by 3-aminopropyl triethoxysilane as a coupling agent and it is denoted as APTS-MCM-41. The obtained nanocomposites (NCs), APTS-MCM-41/PMMA and APTS-MCM-41/PS, were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning and transmission electron microscopies (SEM and TEM), and thermogravimetric analysis (TGA). Their mechanical properties were also probed via stress-strain curves and improved tensile properties were observed in the NCs relative to the neat polymers. Additionally, APTS-MCM-41/PMMA exhibited better mechanical properties than APTS-MCM-41/PS. Sorption studies were carried out on the two NCs and the effect of different process parameters, namely, pH, contact time, and initial Cd(II) concentration investigated in batch mode. Pseudo-second order and intraparticle diffusion models explain the Cd(II) kinetics more effectively for APTS-MCM-41/PMMA and APTS-MCM-41/PS, respectively. The adsorption isotherm data fitted well to Langmuir isotherm for both NCs and the maximum monolayer adsorption capacities were found to be 24.75mg/g and 10.42mg/g for APTS-MCM-41/PMMA and APTS-MCM-41/PS, respectively. The results demonstrate that the NCs show potential for use in adsorption of heavy metal ion such as Cd(II) from aqueous media.
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Affiliation(s)
| | - Saeed Abad
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Roozbeh Soltani
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Mohammad Dinari
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
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Mohammadnezhad G, Dinari M, Nabiyan A. High Surface Area Nano-Boehmite as Effective Nano-Filler for Preparation of Boehmite-Polyamide-6 Nanocomposites. ADVANCES IN POLYMER TECHNOLOGY 2016. [DOI: 10.1002/adv.21783] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | - Mohammad Dinari
- Department of Chemistry; Isfahan University of Technology; Isfahan 84156-83111 Iran
| | - Afshin Nabiyan
- Department of Chemistry; Isfahan University of Technology; Isfahan 84156-83111 Iran
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