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Folgado E, Guerre M, Mimouni N, Collière V, Bijani C, Moineau-Chane Ching K, Caminade AM, Ladmiral V, Améduri B, Ouali A. π-Stacking Interactions of Graphene-Coated Cobalt Magnetic Nanoparticles with Pyrene-Tagged Dendritic Poly(Vinylidene Fluoride). Chempluschem 2018; 84:78-84. [PMID: 31950752 DOI: 10.1002/cplu.201800471] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/09/2018] [Indexed: 12/27/2022]
Abstract
This study investigates the non-covalent coating of cobalt magnetic nanoparticles (MNPs) involving a graphene surface with pyrene-tagged dendritic poly(vinylidene fluoride) (PVDF). Dendrimers bearing a pyrene moiety were selected to play the role of spacers between the graphene surface of the MNPs and the PVDF chains, the pyrene unit being expected to interact with the surface of the MNPs. The pyrene-tagged dendritic spacer 11 decorated with ten acetylenic units was prepared and fully characterized. Azido-functionalized PVDF chains were then grafted onto each branch of the dendrimer using Huisgen's [3+2] cycloaddition reaction. Next, the association of the resulting pyrene-tagged dendritic PVDF 13 with commercially available Co/C MNPs by π-stacking interactions was studied by fluorescence spectroscopy. Evaluated were the stability of the π-stacking interactions when the temperature increased and the reversibility of the process when the temperature decreased. Also, hybrid MNPs were prepared from pyrene-tagged dendrimers decorated either with acetylenic functions (11) or with PVDF branches (13), and they were characterized by transmission electron microscopy and comparative elemental analysis was carried out with naked MNPs.
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Affiliation(s)
- Enrique Folgado
- Institut Charles Gerhardt - UMR 5253 - CNRS, UM, ENSCM, 8 Rue de l'Ecole Normale, 34296, Montpellier Cedex 5, France
| | - Marc Guerre
- Institut Charles Gerhardt - UMR 5253 - CNRS, UM, ENSCM, 8 Rue de l'Ecole Normale, 34296, Montpellier Cedex 5, France
| | - Nidhal Mimouni
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077, Toulouse Cedex 4, France.,LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Vincent Collière
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077, Toulouse Cedex 4, France.,LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Christian Bijani
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077, Toulouse Cedex 4, France.,LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Kathleen Moineau-Chane Ching
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077, Toulouse Cedex 4, France.,LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Anne-Marie Caminade
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077, Toulouse Cedex 4, France.,LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Vincent Ladmiral
- Institut Charles Gerhardt - UMR 5253 - CNRS, UM, ENSCM, 8 Rue de l'Ecole Normale, 34296, Montpellier Cedex 5, France
| | - Bruno Améduri
- Institut Charles Gerhardt - UMR 5253 - CNRS, UM, ENSCM, 8 Rue de l'Ecole Normale, 34296, Montpellier Cedex 5, France
| | - Armelle Ouali
- Institut Charles Gerhardt - UMR 5253 - CNRS, UM, ENSCM, 8 Rue de l'Ecole Normale, 34296, Montpellier Cedex 5, France
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Folgado E, Guerre M, Bijani C, Ladmiral V, Caminade AM, Ameduri B, Ouali A. Well-defined poly(vinylidene fluoride) (PVDF) based-dendrimers synthesized by click chemistry: enhanced crystallinity of PVDF and increased hydrophobicity of PVDF films. Polym Chem 2016. [DOI: 10.1039/c6py01167e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This study reports the preparation of a novel fluorinated dendrimer bearing PVDF branches by click chemistry and its characterization by several analytical methods.
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Affiliation(s)
- Enrique Folgado
- CNRS
- LCC (Laboratoire de Chimie de Coordination)
- F-31077 Toulouse
- France
- Université de Toulouse
| | - Marc Guerre
- Ingénierie et Architectures Macromoléculaires Institut Charles Gerhardt
- UMR 5253
- F-34296 Montpellier Cedex
- France
| | - Christian Bijani
- CNRS
- LCC (Laboratoire de Chimie de Coordination)
- F-31077 Toulouse
- France
- Université de Toulouse
| | - Vincent Ladmiral
- Ingénierie et Architectures Macromoléculaires Institut Charles Gerhardt
- UMR 5253
- F-34296 Montpellier Cedex
- France
| | - Anne-Marie Caminade
- CNRS
- LCC (Laboratoire de Chimie de Coordination)
- F-31077 Toulouse
- France
- Université de Toulouse
| | - Bruno Ameduri
- Ingénierie et Architectures Macromoléculaires Institut Charles Gerhardt
- UMR 5253
- F-34296 Montpellier Cedex
- France
| | - Armelle Ouali
- CNRS
- LCC (Laboratoire de Chimie de Coordination)
- F-31077 Toulouse
- France
- Université de Toulouse
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Jiang X, Hu L, Chen Y. Synthesis and properties of amphiphilic star block copolymers with star macroinitiators based on a one-pot approach. POLYM INT 2013. [DOI: 10.1002/pi.4519] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiubo Jiang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 PR China
| | - Lin Hu
- Administrative Board Bureau; National Science Park of China University of Petroleum; Dongying 257091 PR China
| | - Yongming Chen
- Laboratory of Polymer Physics and Chemistry, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 PR China
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