1
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Picchetti P, Moreno-Alcántar G, Talamini L, Mourgout A, Aliprandi A, De Cola L. Smart Nanocages as a Tool for Controlling Supramolecular Aggregation. J Am Chem Soc 2021; 143:7681-7687. [PMID: 33891394 DOI: 10.1021/jacs.1c00444] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An important aspect in the field of supramolecular chemistry is the control of the composition and aggregation state of supramolecular polymers and the possibility of stabilizing out-of-equilibrium states. The ability to freeze metastable systems and release them on demand, under spatiotemporal control, to allow their thermodynamic evolution toward the most stable species is a very attractive concept. Such temporal blockage could be realized using stimuli-responsive "boxes" able to trap and redirect supramolecular polymers. In this work, we report the use of a redox responsive nanocontainer, an organosilica nanocage (OSCs), for controlling the dynamic self-assembly pathway of supramolecular aggregates of a luminescent platinum compound (PtAC). The aggregation of the complexes leads to different photoluminescent properties that allow visualization of the different assemblies and their evolution. We discovered that the nanocontainers can encapsulate kinetically trapped species characterized by an orange emission, preventing their evolution into the thermodynamically stable aggregation state characterized by blue-emitting fibers. Interestingly, the out-of-equilibrium trapped Pt species (PtAC@OSCs) can be released on demand by the redox-triggered degradation of OSCs, re-establishing their self-assembly toward the thermodynamically stable state. To demonstrate that control of the self-assembly pathway occurs also in complex media, we followed the evolution of the supramolecular aggregates inside living cells, where the destruction of the cages allows the intracellular release of PtAC aggregates, followed by the formation of microscopic blue emitting fibers. Our approach highlights the importance of "ondemand" confinement as a tool to temporally stabilize transient species which modulate complex self-assembly pathways in supramolecular polymerization.
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Affiliation(s)
- Pierre Picchetti
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France
| | - Guillermo Moreno-Alcántar
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France
| | - Laura Talamini
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France
| | - Adrien Mourgout
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France
| | - Alessandro Aliprandi
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France
| | - Luisa De Cola
- Institut de Science et d' Ingénierie Supramoléculaires (ISIS), University of Strasbourg and CNRS, 8 Alleé Gaspard Monge, 67083 Strasbourg Cedex, France.,Institute for Nanotechnology (INT), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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2
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Fenwick O, Coutiño-Gonzalez E, Richard F, Bonacchi S, Baekelant W, de Vos D, Roeffaers MBJ, Hofkens J, Samorì P. X-Ray-Induced Growth Dynamics of Luminescent Silver Clusters in Zeolites. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002063. [PMID: 32484276 DOI: 10.1002/smll.202002063] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/24/2020] [Accepted: 04/28/2020] [Indexed: 06/11/2023]
Abstract
Herein, AlKα X-rays are used to drive the growth of luminescent silver clusters in zeolites. The growth of the silver species is tracked using Auger spectroscopy and fluorescence microscopy, by monitoring the evolution from their ions to luminescent clusters and then metallic, dark nanoparticles. It is shown that the growth rate in different zeolites is determined by the mobility of the silver ions in the framework and that the growth dynamics in calcined samples obeys the Hill-Langmuir equation for noncooperative binding. Comparison of the optical properties of X-ray-grown silver clusters with silver clusters formed by standard heat treatment indicates that the latter have a higher specificity toward the formation of luminescent clusters of a specific (small) nuclearity, whereas the former produce a wide distribution of cluster species as well as larger nanoparticles.
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Affiliation(s)
- Oliver Fenwick
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 Alleé Gaspard Monge, Strasbourg, F-67000, France
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Eduardo Coutiño-Gonzalez
- Centro de Investigaciones en Óptica, A. C. Loma del Bosque 115, Colonia Lomas, del Campestre, León, Guanajuato, 37150, Mexico
| | - Fanny Richard
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 Alleé Gaspard Monge, Strasbourg, F-67000, France
| | - Sara Bonacchi
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 Alleé Gaspard Monge, Strasbourg, F-67000, France
- Dipartimento di Scienze Chimiche, Università di Padova, Via Marzolo, 1, Padova, 35131, Italy
| | - Wouter Baekelant
- Chem&Tech-Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, Leuven, B-3001, Belgium
| | - Dirk de Vos
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan, 200F, Heverlee, 3001, Belgium
| | - Maarten B J Roeffaers
- cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan, 200F, Heverlee, 3001, Belgium
| | - Johan Hofkens
- Chem&Tech-Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, Leuven, B-3001, Belgium
| | - Paolo Samorì
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 Alleé Gaspard Monge, Strasbourg, F-67000, France
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3
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Almallah H, Nos M, Ayzac V, Brenner E, Matt D, Gourlaouen C, Jahjah M, Hijazi A. Complexes featuring N-heterocyclic carbenes with bowl-shaped wingtips. CR CHIM 2019. [DOI: 10.1016/j.crci.2019.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Zhou C, Li H. Luminescence resonance energy transfer in hybrid materials based on terbium(iii) complex, rhodamine B and nanoclay. NEW J CHEM 2019. [DOI: 10.1039/c9nj01201j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We prepared a novel kind of luminescent hydrogel based on the combination of terbium(iii) complexes and rhodamine B dye with the LAPONITE® nanoclay.
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Affiliation(s)
- Congdi Zhou
- Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
| | - Huanrong Li
- Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
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5
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Calzaferri G. Entropy in multiple equilibria, compounds with different sites. Phys Chem Chem Phys 2018; 20:29070-29084. [PMID: 30452040 DOI: 10.1039/c8cp04145h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The influence of entropy in multiple chemical equilibria is investigated for systems with different types of sites for the condition that the binding enthalpy of the species is the same within each type of sites and independent of those species that are already bonded. This allows splitting of the free reaction enthalpy into the particle distribution term and all other contributions for each type of sites separately and, hence, to evaluate this entropy contribution to the free reaction enthalpy. The situations for which this applies can be chemically very different, e.g. acid base, ligand exchange, isomerisation, conformational change, rearrangement of a ligand, ion exchange, adsorption of a species on the surface of a particle or a dendrimer, insertion of charged or neutral species into the cavities of a microporous or mesoporous host. We provide physical insight by discussing Xrc1{n1ABn2}Xrc2 systems. The number of coordination sites A and B are n1 and n2, respectively. The indices rc1 = 1, 2,…,n1 and rc2 = 1, 2,…,n2 count the number of X bonded to sites A and sites B, respectively. An important result is that the large number of equilibrium constants needed to describe those situations can be expressed as a function of two constants only. This allows studying systems quantitatively by experimental and theoretical means which otherwise might be difficult to handle. It has also implication for theoretical studies in the sense that it is sufficient to model only two reactions instead of many in order to describe a system. The results remain valid for systems with more than two types of different sites. The description of the entropy driven development of the fractional equilibrium coverage of the sites provides a new tool for understanding adsorption and ion exchange isotherms. The fractional equilibrium coverage of the sites can be described as a linear combination of individual Langmuir isotherms despite of the fact that such a linear combination has never the shape of the original Langmuir isotherm. This is remarkable and very useful. It provides us with new tools for describing and testing isotherms based on well defined, transparent physical ideas. Explicit solution for systems with 2, 3, 4, 5, 6, and 12 coordination sites are reported. Applications to a system with 12 coordination sites serve to illustrate information that can be obtained for complex situations.
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Affiliation(s)
- Gion Calzaferri
- Department of Chemistry and Biochemistry, Freiestrasse 3, 3012 Bern, Switzerland.
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6
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Bagnall AJ, Santana Vega M, Martinelli J, Djanashvili K, Cucinotta F. Mesoscopic FRET Antenna Materials by Self‐Assembling Iridium(III) Complexes and BODIPY Dyes. Chemistry 2018; 24:11992-11999. [DOI: 10.1002/chem.201802745] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 06/28/2018] [Indexed: 01/04/2023]
Affiliation(s)
- Andrew J. Bagnall
- School of Natural and Environmental SciencesNewcastle University Bedson Building, Queen Victoria Road Newcastle upon Tyne NE1 7RU UK
| | - Marina Santana Vega
- School of Natural and Environmental SciencesNewcastle University Bedson Building, Queen Victoria Road Newcastle upon Tyne NE1 7RU UK
| | - Jonathan Martinelli
- Department of BiotechnologyDelft University of Technology Van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Kristina Djanashvili
- Department of BiotechnologyDelft University of Technology Van der Maasweg 9 2629 HZ Delft The Netherlands
| | - Fabio Cucinotta
- School of Natural and Environmental SciencesNewcastle University Bedson Building, Queen Victoria Road Newcastle upon Tyne NE1 7RU UK
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7
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Guzzinati R, Sarti E, Catani M, Costa V, Pagnoni A, Martucci A, Rodeghero E, Capitani D, Pietrantonio M, Cavazzini A, Pasti L. Formation of Supramolecular Clusters at the Interface of Zeolite X Following the Adsorption of Rare-Earth Cations and Their Impact on the Macroscopic Properties of the Zeolite. Chemphyschem 2018; 19:2208-2217. [DOI: 10.1002/cphc.201800333] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Roberta Guzzinati
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
- Italian National Agency for New Technologies, Energy and Suitable Economic Development (ENEA), R. C. Bologna; Via Martiri di Monte Sole, 4 40129 Bologna Italy
| | - Elena Sarti
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
| | - Martina Catani
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
| | - Valentina Costa
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
| | - Antonella Pagnoni
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
| | - Annalisa Martucci
- University of Ferrara, Department of Physics and Earth Sciences; Via Saragat, 1 44121 Ferrara Italy
| | - Elisa Rodeghero
- University of Ferrara, Department of Physics and Earth Sciences; Via Saragat, 1 44121 Ferrara Italy
| | - Donatella Capitani
- National Research Centre; Methodological Chemistry Institute, CNR-IMC, Laboratory “Annalaura Segre”; Via Salaria km 29, 300 00015 Monterotondo (RM) Italy
| | - Massimiliana Pietrantonio
- Italian National Agency for New Technology, Energy and Suitable Economic Development (ENEA), R. C. Casaccia; Via Anguillarese, 301, S. Maria di Galeria Roma Italy
| | - Alberto Cavazzini
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
| | - Luisa Pasti
- University of Ferrara, Department of Chemistry and Pharmaceutical Sciences; Via L. Borsari, 46 44121 Ferrara Italy
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8
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Abstract
Empty spaces are abhorred by nature, which immediately rushes in to fill the void. Humans have learnt pretty well how to make ordered empty nanocontainers, and to get useful products out of them. When such an order is imparted to molecules, new properties may appear, often yielding advanced applications. This review illustrates how the organized void space inherently present in various materials: zeolites, clathrates, mesoporous silica/organosilica, and metal organic frameworks (MOF), for example, can be exploited to create confined, organized, and self-assembled supramolecular structures of low dimensionality. Features of the confining matrices relevant to organization are presented with special focus on molecular-level aspects. Selected examples of confined supramolecular assemblies - from small molecules to quantum dots or luminescent species - are aimed to show the complexity and potential of this approach. Natural confinement (minerals) and hyperconfinement (high pressure) provide further opportunities to understand and master the atomistic-level interactions governing supramolecular organization under nanospace restrictions.
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Affiliation(s)
- Gloria Tabacchi
- Department of Science and High Technology, University of Insubria, Via Valleggio, 9 I-22100, Como, Italy
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9
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Sola-Llano R, Fujita Y, Gómez-Hortigüela L, Alfayate A, Uji-i H, Fron E, Toyouchi S, Pérez-Pariente J, López-Arbeloa I, Martínez-Martínez V. One-Directional Antenna Systems: Energy Transfer from Monomers to J-Aggregates within 1D Nanoporous Aluminophosphates. ACS PHOTONICS 2018; 5:151-157. [PMID: 30364720 PMCID: PMC6197758 DOI: 10.1021/acsphotonics.7b00553] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Indexed: 05/05/2023]
Abstract
A cyanine dye (PIC) was occluded into two 1D-nanopoporus Mg-containing aluminophosphates with different pore size (MgAPO-5 and MgAPO-36 with AFI and ATS zeolitic structure types, with cylindrical channels of 7.3 Å diameter and elliptical channels of 6.7 Å × 7.5 Å, respectively) by crystallization inclusion method. Different J-aggregates are photophysically characterized as a consequence of the different pore size of the MgAPO frameworks, with emission bands at 565 nm and at 610 nm in MgAPO-5 and MgAPO-36, respectively. Computational results indicate a more linear geometry of the J-aggregates inside the nanochannels of the MgAPO-36 sample than those in MgAPO-5, which is as a consequence of the more constrained environment in the former. For the same reason, the fluorescence of the PIC monomers at 550 nm is also activated within the MgAPO-36 channels. Owing to the strategic distribution of the fluorescent PIC species in MgAPO-36 crystals (monomers at one edge and J-aggregates with intriguing emission properties at the other edge) an efficient and one-directional antenna system is obtained. The unidirectional energy transfer process from monomers to J-aggregates is demonstrated by remote excitation experiments along tens of microns of distance.
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Affiliation(s)
- Rebeca Sola-Llano
- Departamento
de Química Física, Universidad
del País Vasco, UPV/EHU, Apartado
644, 48080 Bilbao, Spain
| | - Yasuhiko Fujita
- Department
of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001Heverlee, Belgium
- Toray
Research Center, Inc., 3-3-7, Sonoyama, Otsu, Shiga 520-8567, Japan
| | - Luis Gómez-Hortigüela
- Instituto
de Catálisis y Petroleoquímica-CSIC, C/Marie Curie 2, 28049, Cantoblanco, Madrid, Spain
| | - Almudena Alfayate
- Instituto
de Catálisis y Petroleoquímica-CSIC, C/Marie Curie 2, 28049, Cantoblanco, Madrid, Spain
| | - Hiroshi Uji-i
- Department
of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001Heverlee, Belgium
- RIES, Hokkaido University,
N20W10, Kita-Ward Sapporo 001-0020, Japan
| | - Eduard Fron
- Department
of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001Heverlee, Belgium
| | - Shuichi Toyouchi
- Department
of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001Heverlee, Belgium
| | - Joaquín Pérez-Pariente
- Instituto
de Catálisis y Petroleoquímica-CSIC, C/Marie Curie 2, 28049, Cantoblanco, Madrid, Spain
| | - Iñigo López-Arbeloa
- Departamento
de Química Física, Universidad
del País Vasco, UPV/EHU, Apartado
644, 48080 Bilbao, Spain
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10
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Alarcos N, Cohen B, Ziółek M, Douhal A. Photochemistry and Photophysics in Silica-Based Materials: Ultrafast and Single Molecule Spectroscopy Observation. Chem Rev 2017; 117:13639-13720. [PMID: 29068670 DOI: 10.1021/acs.chemrev.7b00422] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Silica-based materials (SBMs) are widely used in catalysis, photonics, and drug delivery. Their pores and cavities act as hosts of diverse guests ranging from classical dyes to drugs and quantum dots, allowing changes in the photochemical behavior of the confined guests. The heterogeneity of the guest populations as well as the confinement provided by these hosts affect the behavior of the formed hybrid materials. As a consequence, the observed reaction dynamics becomes significantly different and complex. Studying their photobehavior requires advanced laser-based spectroscopy and microscopy techniques as well as computational methods. Thanks to the development of ultrafast (spectroscopy and imaging) tools, we are witnessing an increasing interest of the scientific community to explore the intimate photobehavior of these composites. Here, we review the recent theoretical and ultrafast experimental studies of their photodynamics and discuss the results in comparison to those in homogeneous media. The discussion of the confined dynamics includes solvation and intra- and intermolecular proton-, electron-, and energy transfer events of the guest within the SBMs. Several examples of applications in photocatalysis, (photo)sensors, photonics, photovoltaics, and drug delivery demonstrate the vast potential of the SBMs in modern science and technology.
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Affiliation(s)
- Noemí Alarcos
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, and INAMOL, Universidad de Castilla-La Mancha , Avenida Carlos III, S.N., 45071 Toledo, Spain
| | - Boiko Cohen
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, and INAMOL, Universidad de Castilla-La Mancha , Avenida Carlos III, S.N., 45071 Toledo, Spain
| | - Marcin Ziółek
- Quantum Electronics Laboratory, Faculty of Physics, Adam Mickiewicz University , Umultowska 85, 61-614 Poznań, Poland
| | - Abderrazzak Douhal
- Departamento de Química Física, Facultad de Ciencias Ambientales y Bioquímica, and INAMOL, Universidad de Castilla-La Mancha , Avenida Carlos III, S.N., 45071 Toledo, Spain
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11
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Hu Y, Chen S, Zhang L, Zhang Y, Yuan Z, Zhao X, Chen Y. Facile Approach to Perylenemonoimide with Short Side Chains for Nonfullerene Solar Cells. J Org Chem 2017; 82:5926-5931. [DOI: 10.1021/acs.joc.7b00272] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yu Hu
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Shixiao Chen
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Lifu Zhang
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Youdi Zhang
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Zhongyi Yuan
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Xiaohong Zhao
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Yiwang Chen
- College
of Chemistry and ‡Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute
of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
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12
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Arletti R, Fois E, Gigli L, Vezzalini G, Quartieri S, Tabacchi G. Irreversible Conversion of a Water-Ethanol Solution into an Organized Two-Dimensional Network of Alternating Supramolecular Units in a Hydrophobic Zeolite under Pressure. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610949] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Rossella Arletti
- Dipartimento di Scienze della Terra; Università di Torino; Via Valperga Caluso 35 Torino Italy
| | - Ettore Fois
- Dipartimento di Scienza ed Alta Tecnologia; Università dell'Insubria and INSTM; Via Valleggio 9 22100 Como Italy
| | - Lara Gigli
- Elettra Sincrotrone Trieste; Strada Statale 14 34149 Basovizza, Trieste Italy
| | - Giovanna Vezzalini
- Dipartimento di Scienze Chimiche e Geologiche; Università di Modena e Reggio Emilia; Via Campi 103 41125 Modena Italy
| | - Simona Quartieri
- Dipartimento di Scienze Matematiche e Informatiche; Scienze Fisiche e Scienze della Terra; Università di Messina; Viale F. Stagno D'Alcontres 31 98166 Messina S. Agata Italy
| | - Gloria Tabacchi
- Dipartimento di Scienza ed Alta Tecnologia; Università dell'Insubria and INSTM; Via Valleggio 9 22100 Como Italy
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13
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Arletti R, Fois E, Gigli L, Vezzalini G, Quartieri S, Tabacchi G. Irreversible Conversion of a Water-Ethanol Solution into an Organized Two-Dimensional Network of Alternating Supramolecular Units in a Hydrophobic Zeolite under Pressure. Angew Chem Int Ed Engl 2017; 56:2105-2109. [PMID: 28067444 DOI: 10.1002/anie.201610949] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Indexed: 12/22/2022]
Abstract
Turning disorder into organization is a key issue in science. By making use of X-ray powder diffraction and modeling studies, we show herein that high pressures in combination with the shape and space constraints of the hydrophobic all-silica zeolite ferrierite separate an ethanol-water liquid mixture into ethanol dimer wires and water tetramer squares. The confined supramolecular blocks alternate in a binary two-dimensional (2D) architecture that remains stable upon complete pressure release. These results support the combined use of high pressures and porous networks as a viable strategy for driving the organization of molecules or nano-objects towards complex, pre-defined patterns relevant for the realization of novel functional nanocomposites.
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Affiliation(s)
- Rossella Arletti
- Dipartimento di Scienze della Terra, Università di Torino, Via Valperga Caluso 35, Torino, Italy
| | - Ettore Fois
- Dipartimento di Scienza ed Alta Tecnologia, Università dell'Insubria and INSTM, Via Valleggio 9, 22100, Como, Italy
| | - Lara Gigli
- Elettra Sincrotrone Trieste, Strada Statale 14, 34149, Basovizza, Trieste, Italy
| | - Giovanna Vezzalini
- Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Simona Quartieri
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale F. Stagno D'Alcontres 31, 98166, Messina S. Agata, Italy
| | - Gloria Tabacchi
- Dipartimento di Scienza ed Alta Tecnologia, Università dell'Insubria and INSTM, Via Valleggio 9, 22100, Como, Italy
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14
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Calzaferri G. Entropy in multiple equilibria, theory and applications. Phys Chem Chem Phys 2017; 19:10611-10621. [DOI: 10.1039/c7cp00584a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Entropy controls the dependence of the equilibrium constants in the synthesis of host–guest composites on the occupation rc for channels of different length.
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Affiliation(s)
- Gion Calzaferri
- Department of Chemistry and Biochemistry
- 3012 Bern
- Switzerland
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15
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Yang D, Li Z, He L, Deng Y, Wang Y. Solvent free mechanochemical synthesis of Eu3+ complex and its luminescent sensing of trace water and temperature. RSC Adv 2017. [DOI: 10.1039/c6ra28099d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
A solid state Eu(iii) complex was synthesized by a mechanochemical method and used for luminescent sensing of trace water and temperature.
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Affiliation(s)
- Daqing Yang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
| | - Zhiqiang Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
| | - Liang He
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
| | - Yucheng Deng
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
| | - Yige Wang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- China
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16
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Kehr NS, Motealleh A, Schäfer AH. Cell Growth on ("Janus") Density Gradients of Bifunctional Zeolite L Crystals. ACS APPLIED MATERIALS & INTERFACES 2016; 8:35081-35090. [PMID: 27966873 DOI: 10.1021/acsami.6b13667] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Nanoparticle density gradients on surfaces have attracted interest as two-dimensional material surfaces that can mimic the complex nano-/microstructure of the native extracellular matrix, including its chemical and physical gradients, and can therefore be used to systematically study cell-material interactions. In this respect, we report the preparation of density gradients made of bifunctional zeolite L crystals on glass surfaces and the effects of the density gradient and biopolymer functionalization of zeolite L crystals on cell adhesion. We also describe how we created "Janus" density gradient surfaces by gradually depositing two different types of zeolite L crystals that were functionalized and loaded with different chemical groups and guest molecules onto the two distinct sides of the same glass substrate. Our results show that more cells adhered on the density gradient of biopolymer-coated zeolites than on uncoated ones. The number of adhered cells increased up to a certain surface coverage of the glass by the zeolite L crystals, but then it decreased beyond the zeolite density at which a higher surface coverage decreased fibroblast cell adhesion and spreading. Additionally, cell experiments showed that cells gradually internalized the guest-molecule-loaded zeolite L crystals from the underlying density gradient containing bifunctional zeolite L crystals.
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Affiliation(s)
- Nermin Seda Kehr
- Physikalisches Institut and CeNTech, Westfälische Wilhelms-Universität Münster , Heisenbergstraße 11, D-48149 Münster, Germany
| | - Andisheh Motealleh
- Physikalisches Institut and CeNTech, Westfälische Wilhelms-Universität Münster , Heisenbergstraße 11, D-48149 Münster, Germany
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17
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Lu Z, Wu M, Wu S, Yang S, Li Y, Liu X, Zheng L, Cao Q, Ding Z. Modulating the optical properties of the AIE fluophor confined within UiO-66's nanochannels for chemical sensing. NANOSCALE 2016; 8:17489-17495. [PMID: 27714112 DOI: 10.1039/c6nr05600h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Transformation of aggregation induced emission (AIE) molecules into functional materials can greatly tune their fluorescence properties and expand their related potential applications. Here, we demonstrate a facile strategy to modulate the fluorescence properties of AIE molecules by confining them within the nanochannels of metal-organic frameworks (MOFs). AIE molecules (4,4'-(hydrazine-1,2-diylidene bis(methanylylidene)) bis(3-hydroxybenzoic acid), HDBB) with pH-dependent emission were successfully integrated into UiO-66 resulting in a UiO-66⊃HDBB complex while maintaining the crystal structure by the host-guest process. The fluorescence properties of HDBB can be modulated by virtue of the unique nanospace confining effect. Furthermore, UiO-66⊃HDBB was used as a sensitive and selective fluorescent probe for Cu2+ detection in aqueous solution. This study provides a facile strategy for the construction of high performance AIE based luminescent materials with adjustable properties for potential applications.
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Affiliation(s)
- Zhixiang Lu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Mingjiang Wu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Shuang Wu
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Shaoxiong Yang
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Yuan Li
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Xiaolan Liu
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Liyan Zheng
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Qiue Cao
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
| | - Zhongtao Ding
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China.
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18
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Tabacchi G, Calzaferri G, Fois E. One-dimensional self-assembly of perylene-diimide dyes by unidirectional transit of zeolite channel openings. Chem Commun (Camb) 2016; 52:11195-8. [PMID: 27484884 DOI: 10.1039/c6cc05303c] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Confined supramolecular architectures of chromophores are key components in artificial antenna composites for solar energy harvesting and storage. A typical fabrication process, based on the insertion of dye molecules into zeolite channels, is still unknown at the molecular level. We show that slipping of perylene diimide dyes into the one-dimensional channels of zeolite L and travelling inside is only possible because of steric-interaction-induced cooperative vibrational modes of the host and the guest. The funnel-like structure of the channel opening, larger at the entrance, along with a directionally asymmetric entrance-exit probability, ensures a favorable self-assembly process of the perylene units.
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Affiliation(s)
- Gloria Tabacchi
- Department of Science and High Technology, University of Insubria, and INSTM, Via Valleggio 9, I-22100 Como, Italy.
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19
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Zucchetto N, Brühwiler D. Functionalization of arrays of silica nanochannels by post-condensation. Dalton Trans 2016; 45:14363-9. [DOI: 10.1039/c6dt02033j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Functionalized arrays of silica nanochannels (ASNCs) were prepared by post-condensation. This synthetic approach allows control of the functional group distribution in a one-pot reaction, while preserving the defined nanoporous structure of the ASNCs.
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Affiliation(s)
- N. Zucchetto
- Institute of Chemistry and Biotechnology
- Zürich University of Applied Sciences (ZHAW)
- CH-8820 Wädenswil
- Switzerland
| | - D. Brühwiler
- Institute of Chemistry and Biotechnology
- Zürich University of Applied Sciences (ZHAW)
- CH-8820 Wädenswil
- Switzerland
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