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Kumar D, Sahu B, Arif Mohammad S, Banerjee S. Phosphorus-containing smart, multifunctional polymers towards materials with dual stimuli responsivity, self-aggregation ability and tunable wettability. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Palazzolo A, Poucin C, Freitas AP, Ropp A, Bouillet C, Ersen O, Carenco S. The delicate balance of phase speciation in bimetallic nickel cobalt nanoparticles. NANOSCALE 2022; 14:7547-7560. [PMID: 35412546 DOI: 10.1039/d2nr00917j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Bimetallic nickel-cobalt nanoparticles are highly sought for their potential as catalytic and magnetic nanoparticles. These are typically prepared in organic solvents in the presence of strong stabilizing ligands such as tri-n-octylphosphine (TOP). Due to the variety of cobalt crystallographic phases and to the strong interaction of the ligands with the metallic surfaces, forming fcc nanoparticles rather than a phase mixture is a challenging endeavor. Here, using a two-step synthesis strategy that aims at a core-shell nickel-cobalt morphology, we demonstrated that many parameters have to be adjusted: concentration of the metal precursors, stoichiometry of TOP, and heating program from room temperature to 180 °C. We found optimized conditions to form size-controlled fcc NiCo nanoparticles from preformed Ni nanoparticles, and the phase attribution was confirmed with a combination of X-Ray diffraction on powder and X-Ray absorption spectroscopy at the Co K edge. We then investigated the early stages of Co nucleation on the nickel using a lower stoichiometry of Co, down to 0.05 equiv. vs. Ni. Using X-ray photoelectron spectroscopy and scanning transmission electron microscopy coupled to energy-dispersive X-Ray spectroscopy and electron energy loss spectroscopy, we showed that cobalt reacts first on the nickel nanoparticles but easily forms cobalt-rich larger aggregates in the further steps of the reaction.
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Affiliation(s)
- Alberto Palazzolo
- Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75005 Paris, France.
| | - Cyprien Poucin
- Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75005 Paris, France.
| | - Alexy P Freitas
- Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75005 Paris, France.
| | - Anthony Ropp
- Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75005 Paris, France.
| | - Corinne Bouillet
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 CNRS-Université de Strasbourg, 23 rue du Loess, BP 43, Strasbourg Cedex 2, France
| | - Ovidiu Ersen
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 CNRS-Université de Strasbourg, 23 rue du Loess, BP 43, Strasbourg Cedex 2, France
| | - Sophie Carenco
- Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75005 Paris, France.
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Shingdilwar S, Dolui S, Banerjee S. Facile Fabrication of Functional Mesoporous Polymer Nanospheres for CO 2 Capture. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c04580] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Shashikant Shingdilwar
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
| | - Subrata Dolui
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
| | - Sanjib Banerjee
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
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Kumar D, Mohammad SA, Kumar A, Mane SR, Banerjee S. Amino acid-derived ABCBA-type antifouling biohybrid with multi-stimuli responsivity and contaminant removal capability. Polym Chem 2022. [DOI: 10.1039/d2py00280a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A multi-stimuli (pH/thermo/redox)-responsive amphiphilic poly(cysteine methacrylamide)-block-poly(N,N-dimethylaminoethyl methacrylate)-block-polybutadiene-block-poly(N,N-dimethylaminoethyl methacrylate)-block-poly(cysteine methacrylamide) (PCysMAM-b-PDMAEMA-b-PB-b-PDMAEMA-b-PCysMAM) pentablock copolymer biohybrids, based on hydrophobic PB, ampholytic redox responsive PCysMAM and dual (pH and temperature) stimuli responsive PDMAEMA segments,...
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Mohammad SA, Dolui S, Kumar D, Alam MM, Banerjee S. Anisotropic and Self‐Healing Copolymer with Multiresponsive Capability via Recyclable Alloy‐Mediated RDRP. Macromol Rapid Commun 2021; 42:e2100096. [DOI: 10.1002/marc.202100096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/19/2021] [Indexed: 12/20/2022]
Affiliation(s)
- Sk Arif Mohammad
- Department of Chemistry Indian Institute of Technology Bhilai Raipur Chhattisgarh 492015 India
| | - Subrata Dolui
- Department of Chemistry Indian Institute of Technology Bhilai Raipur Chhattisgarh 492015 India
| | - Devendra Kumar
- Department of Chemistry Indian Institute of Technology Bhilai Raipur Chhattisgarh 492015 India
| | - Md. Mehboob Alam
- Department of Chemistry Indian Institute of Technology Bhilai Raipur Chhattisgarh 492015 India
| | - Sanjib Banerjee
- Department of Chemistry Indian Institute of Technology Bhilai Raipur Chhattisgarh 492015 India
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Mohammad SA, Kumar D, Alam MM, Banerjee S. Ultrafast, green and recyclable photoRDRP in an ionic liquid towards multi-stimuli responsive amphiphilic copolymers. Polym Chem 2021. [DOI: 10.1039/d1py01014j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A simple and inexpensive method for ultrafast and recyclable photoRDRP in an ionic liquid is developed, yielding low dispersity poly(glycidyl methacrylate) and well-defined amphiphilic multi-stimuli responsive diblock copolymers thereof.
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Affiliation(s)
- Sk Arif Mohammad
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
| | - Devendra Kumar
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
| | - Md. Mehboob Alam
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
| | - Sanjib Banerjee
- Department of Chemistry, Indian Institute of Technology Bhilai, Raipur 492015, Chhattisgarh, India
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Mohammad SA, Dolui S, Kumar D, Mane SR, Banerjee S. Facile access to functional polyacrylates with dual stimuli response and tunable surface hydrophobicity. Polym Chem 2021. [DOI: 10.1039/d1py00378j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Well-defined functional polyacrylates with dual stimuli response and tunable surface hydrophobicity were synthesized via the recyclable Ni–Co alloy catalyzed reversible deactivation radical polymerization technique at ambient temperature.
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Affiliation(s)
- Sk Arif Mohammad
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
| | - Subrata Dolui
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
| | - Devendra Kumar
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
| | - Shivshankar R. Mane
- Polymer Science and Engineering Division
- CSIR-National Chemical Laboratory
- Pune
- India
| | - Sanjib Banerjee
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
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Abdur RM, Mousavi B, Shahadat HM, Akther N, Chaemchuen S, Verpoort F. High Molecular Weight Poly(methyl methacrylate) Synthesis Using Recyclable and Reusable Zeolitic Imidazole Framework‐8 Catalyst. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Rahaman M. Abdur
- Laboratory of Organometallics Catalysis and Ordered Materials State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China
- School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China
- Department of Chemistry Mawlana Bhashani Science and Technology University Santosh Tangail 1902 Bangladesh
| | - Bibimaryam Mousavi
- Laboratory of Organometallics Catalysis and Ordered Materials State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China
| | - Hossain M. Shahadat
- Laboratory of Organometallics Catalysis and Ordered Materials State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China
- School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China
- Department of Chemistry Comilla University Comilla 3506 Bangladesh
| | - Nishat Akther
- Department of Biochemistry and Molecular Biology Mawlana Bhashani Science and Technology University Santosh Tangail 1902 Bangladesh
| | - Somboon Chaemchuen
- Laboratory of Organometallics Catalysis and Ordered Materials State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China
| | - Francis Verpoort
- Laboratory of Organometallics Catalysis and Ordered Materials State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China
- National Research Tomsk Polytechnic University Lenin Avenue 30 Tomsk 634050 Russia
- Center for Environmental and Energy Research Ghent University Global Campus 119 Songdomunhwa‐Ro Yeonsu‐Gu Incheon 404‐806 South Korea
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