1
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Wilms M, Melendez LV, Hudson RJ, Hall CR, Ratnayake SP, Smith T, Della Gaspera E, Bryant G, Connell TU, Gomez D. Photoinitiated Energy Transfer in Porous-Cage-Stabilised Silver Nanoparticles. Angew Chem Int Ed Engl 2023:e202303501. [PMID: 37186332 DOI: 10.1002/anie.202303501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/17/2023]
Abstract
We report a new composite material consisting of silver nanoparticles decorated with three-dimensional molecular organic cages based on light absorbing porphyrins. The porphyrin cages serve to both stabilize the particles and allow diffusion and trapping of small molecules close to the metallic surface. Combining these two photoactive components results in a Fano resonant interaction between the porphyrin Soret band and the nanoparticle localised surface plasmon resonance. Time resolved spectroscopy revealed the silver nanoparticles transfer up to 37% of their excited state energy to the stabilising layer of porphyrin cages. These unusual photophysics cause a 2-fold current increase in photoelectrochemical water splitting measurements. The composite structure provides a compelling proof-of-concept for advanced photosensitiser systems with intrinsic porosity for photocatalytic and sensing applications.
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Affiliation(s)
| | | | - Rohan J Hudson
- The University of Melbourne, School of Chemistry, AUSTRALIA
| | | | | | - Trevor Smith
- The University of Melbourne, School of Chemistry, AUSTRALIA
| | | | - Gary Bryant
- RMIT University, School of Science, AUSTRALIA
| | - Timothy U Connell
- Deakin University, School of Life and Environmental Science, AUSTRALIA
| | - Daniel Gomez
- RMIT University, Chemistry, Melbourne, 3000, Melbourne, AUSTRALIA
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2
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Montà-González G, Sancenón F, Martínez-Máñez R, Martí-Centelles V. Purely Covalent Molecular Cages and Containers for Guest Encapsulation. Chem Rev 2022; 122:13636-13708. [PMID: 35867555 PMCID: PMC9413269 DOI: 10.1021/acs.chemrev.2c00198] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Cage compounds offer unique binding pockets similar to enzyme-binding sites, which can be customized in terms of size, shape, and functional groups to point toward the cavity and many other parameters. Different synthetic strategies have been developed to create a toolkit of methods that allow preparing tailor-made organic cages for a number of distinct applications, such as gas separation, molecular recognition, molecular encapsulation, hosts for catalysis, etc. These examples show the versatility and high selectivity that can be achieved using cages, which is impossible by employing other molecular systems. This review explores the progress made in the field of fully organic molecular cages and containers by focusing on the properties of the cavity and their application to encapsulate guests.
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Affiliation(s)
- Giovanni Montà-González
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain
| | - Félix Sancenón
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain,R.M.-M.: email,
| | - Vicente Martí-Centelles
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,V.M.-C.:
email,
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3
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Ubasart E, Mustieles Marin I, Asensio JM, Mencia G, López-Vinasco ÁM, García-Simón C, Del Rosal I, Poteau R, Chaudret B, Ribas X. Supramolecular nanocapsules as two-fold stabilizers of outer-cavity sub-nanometric Ru NPs and inner-cavity ultra-small Ru clusters. NANOSCALE HORIZONS 2022; 7:607-615. [PMID: 35389405 DOI: 10.1039/d1nh00677k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The synthesis of metallic nanoparticles (MNP) with high surface area and controlled shape is of paramount importance to increase their catalytic performance. The detailed growing process of NP is mostly unknown and understanding the specific steps would pave the way for a rational synthesis of the desired MNP. Here we take advantage of the stabilization properties exerted by the tetragonal prismatic supramolecular nanocapsule 8·(BArF)8 to develop a synthetic methodology for sub-nanometric RuNP (0.6-0.7 nm). The catalytic properties of these sub-nanometric nanoparticles were tested on the hydrogenation of styrene, obtaining excellent selectivity for the hydrogenation of the alkene moiety. In addition, the encapsulation of [Ru5] clusters inside the nanocapsule is strikingly observed in most of the experimental conditions, as ascertained by HR-MS. Moreover, a thorough DFT study enlightens the nature of the [Ru5] clusters as tb-Ru5H2(η6-PhH)2(η6-pyz)3 (2) trapped by two arene moieties of the clip, or as tb-Ru5H2(η1-pyz)6(η6-pyz)3 (3) trapped between the two Zn-porphyrin units of the nanocapsule. Both options fulfill the Wade-Mingos counting rules, i.e. 72 CVEs for the closotb. The trapped [Ru5] metallic clusters are proposed to be the first-grown seeds of subsequent formation of the subnanometric RuNP. Moreover, the double role of the nanocapsule in stabilising ∼0.7 nm NPs and also in hosting ultra-small Ru clusters, is unprecedented and may pave the way towards the synthesis of ultra-small metallic clusters for catalytic purposes.
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Affiliation(s)
- Ernest Ubasart
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
| | - Irene Mustieles Marin
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Juan Manuel Asensio
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Gabriel Mencia
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Ángela M López-Vinasco
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Cristina García-Simón
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
| | - Iker Del Rosal
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Romuald Poteau
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Bruno Chaudret
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Xavi Ribas
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
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4
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Chakraborty D, Mukherjee PS. Recent trends in organic cage synthesis: push towards water-soluble organic cages. Chem Commun (Camb) 2022; 58:5558-5573. [PMID: 35420101 DOI: 10.1039/d2cc01014c] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Research on organic cages has blossomed over the past few years into a mature field of study which can contribute to solving some of the challenging problems. In this review we aim to showcase the recent trends in synthesis of organic cages including a brief discussion on their use in catalysis, gas sorption, host-guest chemistry and energy transfer. Among the organic cages, water-soluble analogues are a special class of compounds which have gained renewed attention in recent times. Due to their advantage of being compatible with water, such cages have the potential of showing biomimetic activities and can find use in drug delivery and also as hosts for catalysis in aqueous medium. Hence, the synthetic strategies for the formation of water-soluble organic cages shall be discussed along with their potential applications.
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Affiliation(s)
- Debsena Chakraborty
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560012, India.
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560012, India.
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5
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Fu M, Yang M, Xu X. Upconversion fluorescent nanoprobe based on 4-NP reversible structure for a wide range of pH determination. NEW J CHEM 2022. [DOI: 10.1039/d2nj01803a] [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
Accurate detection of pH value has received more and more attention in various fields. However, most reported probes show pH values in the acidic or alkaline range and work within...
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6
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Galangau O, Norel L, Rigaut S. Metal complexes bearing photochromic ligands: photocontrol of functions and processes. Dalton Trans 2021; 50:17879-17891. [PMID: 34792058 DOI: 10.1039/d1dt03397b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Metal complexes associated with photochromic molecules are attractive platforms to achieve smart light-switching materials with innovative and exciting properties due to specific optical, electronic, magnetic or catalytic features of metal complexes and by perturbing the excited-state properties of both components to generate new reactivity and photochemical properties. In this overview, we focus on selected achievements in key domains dealing with optical, redox, magnetic properties, as well as application in catalysis or supramolecular chemistry. We also try to point out scientific challenges that are still faced for future developments and applications.
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Affiliation(s)
- Olivier Galangau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Lucie Norel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Stéphane Rigaut
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
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7
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Tannic Acid: A green and efficient stabilizer of Au, Ag, Cu and Pd nanoparticles for the 4-Nitrophenol Reduction, Suzuki-Miyaura coupling reactions and click reactions in aqueous solution. J Colloid Interface Sci 2021; 604:281-291. [PMID: 34271489 DOI: 10.1016/j.jcis.2021.07.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 06/06/2021] [Accepted: 07/03/2021] [Indexed: 11/19/2022]
Abstract
Due to the good electrical, optical, magnetic, catalytic properties, transition metal nanoparticles (TMNPs) have been becoming more and more interesting in the fileds of environment, material, biomedicine, catalysis, and so on. Here, tannic acid (TA) is used as a green and efficient stabilizer to fabricate all kinds of TMNPs including AuNPs, AgNPs, CuNPs and PdNPs. These TMNPs possess small sizes ranging from 1 nm to 6 nm, which is conducive to several catalytic reactions in aqueous solution, such as 4-nitrophenol (4-NP) reduction, CuAAC reactions and Suzuki-Miyaura coupling reactions. AuNPs and PdNPs are found to have distinctly higher catalytic activities than AgNPs and CuNPs in the 4-NP reduction process. Especially, PdNPs show the highest catalytic activities with TOF up to 7200 h-1 in the 4-NP reduction. Furthermore, PdNPs also exhibit satisfying catalytic performance in the Suzuki-Miyaura coupling process, and CuNPs are catalytically active in the copper-catalyzed azide alkyne cycloaddition (CuAAC) reactions. The applicability and generality of PdNPs and CuNPs are respectively confirmed via the reaction between different substrates in the Suzuki-Miyaura coupling reactions and the CuAAC reactions. This work present a simple, fast, green and efficient strategy to synthesize TMNPs for multiple catalysis.
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8
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Ji C, Wang G, Wang H. Progress in Metal-Organic Supramolecular System Based on Subcomponent Self-Assembly. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202012030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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