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Fusco S, Oscurato SL, Salvatore M, Reda F, Moujdi S, De Oliveira M, Ambrosio A, Centore R, Borbone F. Efficient High-Refractive-Index Azobenzene Dendrimers Based on a Hierarchical Supramolecular Approach. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:3722-3730. [PMID: 37181674 PMCID: PMC10173454 DOI: 10.1021/acs.chemmater.3c00550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/12/2023] [Indexed: 05/16/2023]
Abstract
Real-time manipulation of light in a diffractive optical element made with an azomaterial, through the light-induced reconfiguration of its surface based on mass transport, is an ambitious goal that may enable new applications and technologies. The speed and the control over photopatterning/reconfiguration of such devices are critically dependent on the photoresponsiveness of the material to the structuring light pattern and on the required extent of mass transport. In this regard, the higher the refractive index (RI) of the optical medium, the lower the total thickness and inscription time can be. In this work, we explore a flexible design of photopatternable azomaterials based on hierarchically ordered supramolecular interactions, used to construct dendrimer-like structures by mixing specially designed sulfur-rich, high-refractive-index photoactive and photopassive components in solution. We demonstrate that thioglycolic-type carboxylic acid groups can be selectively used as part of a supramolecular synthon based on hydrogen bonding or readily converted to carboxylate and participate in a Zn(II)-carboxylate interaction to modify the structure of the material and fine-tune the quality and efficiency of photoinduced mass transport. Compared with a conventional azopolymer, we demonstrate that it is possible to fabricate high-quality, thinner flat diffractive optical elements to reach the desired diffraction efficiency by increasing the RI of the material, achieved by maximizing the content of high molar refraction groups in the chemical structure of the monomers.
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Affiliation(s)
- Sandra Fusco
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Napoli, Italy
| | - Stefano Luigi Oscurato
- Department
of Physics E. Pancini, University of Napoli
Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Napoli, Italy
| | - Marcella Salvatore
- Centro
Servizi Metrologici e tecnologici Avanzati (CeSMA), University of Napoli Federico II, Complesso Universitario di Monte
Sant’Angelo, Via
Cintia, 80126 Napoli, Italy
| | - Francesco Reda
- Department
of Physics E. Pancini, University of Napoli
Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Napoli, Italy
| | - Sara Moujdi
- CNST@POLIMI
- Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70, 20133 Milano, Italy
| | - Michael De Oliveira
- CNST@POLIMI
- Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70, 20133 Milano, Italy
| | - Antonio Ambrosio
- CNST@POLIMI
- Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70, 20133 Milano, Italy
| | - Roberto Centore
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Napoli, Italy
| | - Fabio Borbone
- Department
of Chemical Sciences, University of Napoli
Federico II, Complesso Universitario di Monte Sant’Angelo, Via Cintia, 80126 Napoli, Italy
- CNST@POLIMI
- Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70, 20133 Milano, Italy
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2
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Durko-Maciag M, Jacquemin D, Ulrich G, Massue J, Mysliwiec J. Color-Tunable Multifunctional Excited-State Intramolecular Proton Transfer Emitter: Stimulated Emission of a Single Dye. Chemistry 2022; 28:e202201327. [PMID: 35616178 DOI: 10.1002/chem.202201327] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Indexed: 01/09/2023]
Abstract
The excited-state intramolecular proton transfer chromophores were regarded as good materials for laser action generation due to their inherent four-level photocycle. The excitation-dependent properties of these compounds enable light amplification from two distinct forms: both enol and keto, making it possible to obtain dual fluorescence emission. Herein, we report that a third option is possible for the first time stimulated emission was realized with a deprotonated ESIPT molecule based on a novel rigidified 2-(2'-hydroxyphenyl)benzothiazole derivative, triggering the possibility to fabricate real-time tunable active material. Through the rational engineering of the ratio of each emissive species, a red-green-blue device was fabricated with the possibility of white light generation. The degenerated two-wave mixing setup was applied to construct a continuously tunable distributed feedback laser.
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Affiliation(s)
- Martyna Durko-Maciag
- Adv. Mater. Engineering and Modelling Group, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370, Wroclaw, Poland.,Insitut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé (ICPEES), UMR CNRS 7515, Universite de Strasbourg, 25 Rue Becquerel, 67087, Strasbourg, France
| | - Denis Jacquemin
- Laboratoire CEISAM UMR CNRS 6230, Nantes University, 2 Rue de la Houssiniere, 44322, Nantes, France
| | - Gilles Ulrich
- Insitut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé (ICPEES), UMR CNRS 7515, Universite de Strasbourg, 25 Rue Becquerel, 67087, Strasbourg, France
| | - Julien Massue
- Insitut de Chimie et Procédés pour l'Energie, l'Environnement et la Santé (ICPEES), UMR CNRS 7515, Universite de Strasbourg, 25 Rue Becquerel, 67087, Strasbourg, France
| | - Jaroslaw Mysliwiec
- Adv. Mater. Engineering and Modelling Group, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370, Wroclaw, Poland
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3
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Durko M, Popczyk A, Rémond M, Zheng Z, Bretonniere Y, Andraud C, Mysliwiec J. Widely Real‐Time Tunable Solid‐State Emitters Fitting in the First Biological Window: 9,9‐diethyl‐2‐diphenylaminofluorene Fluorophores for DFB and Random Lasing Applications. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Martyna Durko
- Wroclaw University of Science and Technology: Politechnika Wroclawska Chemistry POLAND
| | - Anna Popczyk
- Wroclaw University of Science and Technology: Politechnika Wroclawska Chemistry POLAND
| | - Maxime Rémond
- ENS Lyon: Ecole normale superieure de Lyon Chemistry FRANCE
| | - Zheng Zheng
- ENS Lyon: Ecole normale superieure de Lyon Chemistry FRANCE
| | | | - Chantal Andraud
- ENS de Lyon: Ecole normale superieure de Lyon Chemistry FRANCE
| | - Jaroslaw Mysliwiec
- Politechnika Wroclawska Chemistry Wyb. Wyspianskiego 27 50370 Wrocław POLAND
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4
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Borbone F, Oscurato SL, Del Sorbo S, Pota F, Salvatore M, Reda F, Maddalena P, Centore R, Ambrosio A. Enhanced photoinduced mass migration in supramolecular azopolymers by H-bond driven positional constraint. JOURNAL OF MATERIALS CHEMISTRY. C 2021; 9:11368-11375. [PMID: 34594563 PMCID: PMC8411878 DOI: 10.1039/d1tc02266k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/15/2021] [Indexed: 05/28/2023]
Abstract
Here we investigated the role of hydrogen bonding in the design of supramolecular azopolymers with a highly directional and constrained azobenzene-chain interaction involving the aromatic ring of the photoactive molecule, by exploiting the 2-aminopyrimidine/carboxylic acid supramolecular synthon as the tool for molecular recognition. We have shown that this approach is advantageous for producing affordable and versatile photopatternable azomaterials by complexation with polyacrylic acid (PAA). Molecular model complexes were successfully prepared and characterized by X-ray diffraction analysis and FTIR spectroscopy to reveal the multiple, non-ionic interaction occurring between the azobenzene units and the polymer chains. Surface photopatterning of thin films, driven by the typical mass migration phenomenon occurring in azopolymers, resulted strongly enhanced with increasing azobenzene content until equimolar composition. Results show that polymers with synthon-based azobenzenes markedly outperform single H-bonded systems bearing azomolecules with similar structure and electronic properties. We finally demonstrated that the azobenzene units can be easily extracted from a photopatterned film by a simple solvent rinse and without any chemical pre-treatment, leaving the periodicity of the inscribed surface relief gratings unaltered. This result was enabled by the orthogonal solubility of the components in the supramolecular system.
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Affiliation(s)
- Fabio Borbone
- Department of Chemical Sciences, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
- CNST@POLIMI - Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70 Milan 20133 Italy
| | - Stefano Luigi Oscurato
- CNST@POLIMI - Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70 Milan 20133 Italy
- Department of Physics E. Pancini, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Salvatore Del Sorbo
- CNST@POLIMI - Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70 Milan 20133 Italy
| | - Filippo Pota
- Department of Chemical Sciences, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Marcella Salvatore
- Department of Physics E. Pancini, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Francesco Reda
- Department of Physics E. Pancini, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Pasqualino Maddalena
- CNST@POLIMI - Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70 Milan 20133 Italy
- Department of Physics E. Pancini, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Roberto Centore
- Department of Chemical Sciences, University of Napoli Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia Naples 80126 Italy
| | - Antonio Ambrosio
- CNST@POLIMI - Fondazione Istituto Italiano di Tecnologia, Via Pascoli 70 Milan 20133 Italy
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5
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Lim HS, Lee JH, Jeong HY, Cho SO. Lasing from MEH-PPV with a refractive index tunable by electron irradiation. OPTICS EXPRESS 2021; 29:19945-19954. [PMID: 34266094 DOI: 10.1364/oe.427396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
A simple one-step approach to producing a distributed feedback (DFB) laser through selective irradiation of the gain medium, MEH-PPV, is presented. Electron irradiation alters the refractive index of MEH-PPV, thus, direct patterning by electron irradiation can be applied to create a periodic diffraction grating. The non-irradiated regions of MEH-PPV serve as the primary gain medium, while the irradiated regions of MEH-PPV provide the refractive index difference required to fabricate a DFB laser. This method was successfully applied to achieve lasing with a relatively low lasing threshold of 3 kW/cm2or 1.8 µJ/cm2 (pulse width: 600 ps). Furthermore, the lasing wavelength can be finely tuned by simply adjusting the grating period. In stark contrast to the simple one-step process described in this work, conventional procedures for the fabrication of DFB lasers involve multiple steps of varying complexity, including mold creation and careful coating of the substrate with the gain medium.
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6
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Bobrovsky A, Mochalov K, Solovyeva D, Shibaev V, Cigl M, Hamplová VCBR, Bubnov A. Laser-induced formation of "craters" and "hills" in azobenzene-containing polymethacrylate films. SOFT MATTER 2020; 16:5398-5405. [PMID: 32452491 DOI: 10.1039/d0sm00601g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Functional organic polymer materials with an ability to change their surface topography in response to external contactless stimuli, like light irradiation, have attracted considerable attention. This work is devoted to the study of contactless control of the surface topography and the formation of the surface features in the amorphousized and liquid crystalline films of two azobenzene-containing polymers. The investigated polymers are side-chain polymethacrylates containing azobenzene chromophores with two lateral methyl substituents in ortho-positions and differing in the length of flexible spacer with six and ten methylene units. Two lateral methyl substituents at the azobenzene chromophore ensure high photoresponses of these polymeric samples in the whole visible spectral range. Irradiation of the polymethacrylate films by focused polarized light of green (532 nm) and red (633 nm) lasers induces a specific photodeformation of the film surface. In the case of the green light formation of circular "craters" with anisotropic borders was found, whereas for the red light highly asymmetric "hills" were observed. The possible mechanisms of the surface topography formation and their features are discussed.
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Affiliation(s)
- Alexey Bobrovsky
- Faculty of Chemistry, Moscow State University, Leninskie gory, Moscow, 119991, Russia.
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7
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Diana R, Caruso U, Piotto S, Concilio S, Shikler R, Panunzi B. Spectroscopic Behaviour of Two Novel Azobenzene Fluorescent Dyes and Their Polymeric Blends. Molecules 2020; 25:molecules25061368. [PMID: 32192178 PMCID: PMC7144390 DOI: 10.3390/molecules25061368] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/15/2020] [Accepted: 03/16/2020] [Indexed: 11/22/2022] Open
Abstract
Two novel symmetrical bis-azobenzene red dyes ending with electron-withdrawing or donor groups were synthesized. Both chromophores display good solubility, excellent chemical, and thermal stability. The two dyes are fluorescent in solution and in the solid-state. The spectroscopic properties of the neat crystalline solids were compared with those of doped blends of different amorphous matrixes. Blends of non-conductive and of emissive and conductive host polymers were formed to evaluate the potential of the azo dyes as pigments and as fluorophores. Both in absorbance and emission, the doped thin layers have CIE coordinates in the spectral region from yellow to red. The fluorescence quantum yield measured for the brightest emissive blend reaches 57%, a remarkable performance for a steadily fluorescent azo dye. A DFT approach was employed to examine the frontier orbitals of the two dyes.
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Affiliation(s)
- Rosita Diana
- Department of Agriculture, University of Napoli Federico II, NA 80055 Portici, Italy; (R.D.); (B.P.)
| | - Ugo Caruso
- Department of Chemical Sciences, University of Napoli Federico II, 80126 Napoli, Italy
- Correspondence: ; Tel.: +39-081-674366
| | - Stefano Piotto
- Department of Pharmacy, University of Salerno, SA 84084 Fisciano, Italy;
| | - Simona Concilio
- Department of Industrial Engineering, University of Salerno, SA 84084 Fisciano, Italy;
| | - Rafi Shikler
- Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, POB 653 Beer-Sheva 84105, Israel;
| | - Barbara Panunzi
- Department of Agriculture, University of Napoli Federico II, NA 80055 Portici, Italy; (R.D.); (B.P.)
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8
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Dattler D, Fuks G, Heiser J, Moulin E, Perrot A, Yao X, Giuseppone N. Design of Collective Motions from Synthetic Molecular Switches, Rotors, and Motors. Chem Rev 2019; 120:310-433. [PMID: 31869214 DOI: 10.1021/acs.chemrev.9b00288] [Citation(s) in RCA: 249] [Impact Index Per Article: 49.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Precise control over molecular movement is of fundamental and practical importance in physics, biology, and chemistry. At nanoscale, the peculiar functioning principles and the synthesis of individual molecular actuators and machines has been the subject of intense investigations and debates over the past 60 years. In this review, we focus on the design of collective motions that are achieved by integrating, in space and time, several or many of these individual mechanical units together. In particular, we provide an in-depth look at the intermolecular couplings used to physically connect a number of artificial mechanically active molecular units such as photochromic molecular switches, nanomachines based on mechanical bonds, molecular rotors, and light-powered rotary motors. We highlight the various functioning principles that can lead to their collective motion at various length scales. We also emphasize how their synchronized, or desynchronized, mechanical behavior can lead to emerging functional properties and to their implementation into new active devices and materials.
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Affiliation(s)
- Damien Dattler
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Gad Fuks
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Joakim Heiser
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Emilie Moulin
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Alexis Perrot
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Xuyang Yao
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Nicolas Giuseppone
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
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9
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Konieczkowska J, Schab-Balcerzak E, Libera M, Mihaila I, Sava I. Surface relief gratings in azopolyimides induced by pulsed laser irradiation. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.11.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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10
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Jelken J, Santer S. Light induced reversible structuring of photosensitive polymer films. RSC Adv 2019; 9:20295-20305. [PMID: 35514701 PMCID: PMC9065545 DOI: 10.1039/c9ra02571e] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 06/12/2019] [Indexed: 02/01/2023] Open
Abstract
In this paper we report on photoswitchable polymer surfaces with dynamically and reversibly fluctuating topographies. It is well known that when azobenzene containing polymer films are irradiated with optical interference patterns the film topography changes to form a surface relief grating. In the simplest case, the film shape mimics the intensity distribution and deforms into a wave like, sinusoidal manner with amplitude that may be as large as the film thickness. This process takes place in the glassy state without photo-induced softening. Here we report on an intriguing discovery regarding the formation of reliefs under special illumination conditions. We have developed a novel setup combining the optical part for creating interference patterns, an AFM for in situ acquisition of topography changes and diffraction efficiency signal measurements. In this way we demonstrate that these gratings can be “set in motion” like water waves or dunes in the desert. We achieve this by applying repetitive polarization changes to the incoming interference pattern. Such light responsive surfaces represent the prerequisite for providing practical applications ranging from conveyer or transport systems for adsorbed liquid objects and colloidal particles to generation of adaptive and dynamic optical devices. In this paper we report on photoswitchable polymer surfaces with dynamically and reversibly fluctuating topographies.![]()
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Affiliation(s)
- Joachim Jelken
- Institute of Physics and Astronomy
- University of Potsdam
- 14476 Potsdam
- Germany
| | - Svetlana Santer
- Institute of Physics and Astronomy
- University of Potsdam
- 14476 Potsdam
- Germany
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11
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Weis P, Tian W, Wu S. Photoinduced Liquefaction of Azobenzene-Containing Polymers. Chemistry 2018; 24:6494-6505. [DOI: 10.1002/chem.201704162] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Philipp Weis
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Wei Tian
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
| | - Si Wu
- Department of Applied Chemistry, School of Science; Northwestern Polytechnical University; Xi'an 710072 P. R. China
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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12
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Vapaavuori J, Bazuin CG, Pellerin C. Taming Macromolecules with Light: Lessons Learned from Vibrational Spectroscopy. Macromol Rapid Commun 2017; 39. [DOI: 10.1002/marc.201700430] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 07/20/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Jaana Vapaavuori
- Département de chimieUniversité de Montréal Montréal Québec H3C 3J7 Canada
| | | | - Christian Pellerin
- Département de chimieUniversité de Montréal Montréal Québec H3C 3J7 Canada
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13
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Yu Y, Li Y, Wang X, Nian H, Wang L, Li J, Zhao Y, Yang X, Liu S, Cao L. Cucurbit[10]uril-Based [2]Rotaxane: Preparation and Supramolecular Assembly-Induced Fluorescence Enhancement. J Org Chem 2017; 82:5590-5596. [DOI: 10.1021/acs.joc.7b00400] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yang Yu
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Yawen Li
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Xiaoqing Wang
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Hao Nian
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Le Wang
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Jie Li
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Yanxia Zhao
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
| | - Xiran Yang
- School
of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Simin Liu
- School
of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Liping Cao
- Key
Laboratory of Synthetic and Natural Functional Molecule Chemistry
of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069, P. R. China
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14
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Fabrication of fluorescent surface relief patterns using AIE polymer through a soft lithographic approach. ACTA ACUST UNITED AC 2016. [DOI: 10.1002/polb.24086] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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15
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Bobrovsky A, Mochalov K, Oleinikov V, Solovyeva D, Shibaev V, Bogdanova Y, Hamplová V, Kašpar M, Bubnov A. Photoinduced Changes of Surface Topography in Amorphous, Liquid-Crystalline, and Crystalline Films of Bent-Core Azobenzene-Containing Substance. J Phys Chem B 2016; 120:5073-82. [DOI: 10.1021/acs.jpcb.6b03122] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexey Bobrovsky
- Faculty
of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992 Russia
| | - Konstantin Mochalov
- Laboratory of Biophysics, Shemyakin & Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117871 Moscow, Russia
- Laboratory
of Nano-Bioengineering, National Research Nuclear University “Moscow Engineering Physics Institute″, 115409 Moscow, Russia
| | - Vladimir Oleinikov
- Laboratory of Biophysics, Shemyakin & Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117871 Moscow, Russia
- Laboratory
of Nano-Bioengineering, National Research Nuclear University “Moscow Engineering Physics Institute″, 115409 Moscow, Russia
| | - Daria Solovyeva
- Laboratory of Biophysics, Shemyakin & Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117871 Moscow, Russia
- Laboratory
of Nano-Bioengineering, National Research Nuclear University “Moscow Engineering Physics Institute″, 115409 Moscow, Russia
| | - Valery Shibaev
- Faculty
of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992 Russia
| | - Yulia Bogdanova
- Faculty
of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992 Russia
| | - Vĕra Hamplová
- Institute
of Physics, The Czech Academy of Sciences, 182 21 Prague 8, Czech Republic
| | - Miroslav Kašpar
- Institute
of Physics, The Czech Academy of Sciences, 182 21 Prague 8, Czech Republic
| | - Alexej Bubnov
- Institute
of Physics, The Czech Academy of Sciences, 182 21 Prague 8, Czech Republic
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16
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Lisinetskii V, Ryabchun A, Bobrovsky A, Schrader S. Photochromic Composite for Random Lasing Based on Porous Polypropylene Infiltrated with Azobenzene-Containing Liquid Crystalline Mixture. ACS APPLIED MATERIALS & INTERFACES 2015; 7:26595-602. [PMID: 26565667 DOI: 10.1021/acsami.5b08032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We report on a new low-cost and easily fabricated type of liquid crystalline polymer composites demonstrating low threshold random lasing, which can be used as a cheap and simple mirror-less laser source. The composite is based on mass-producible commercially available porous polypropylene (Celgard 2500) infiltrated with low-molar-mass liquid crystal material doped with Rhodamine 800 laser dye. Excitation with red nanosecond laser (630 nm) induces random lasing with the emission peak in NIR spectral range (804 nm) with noticeable degree of linear polarization. The possibility to control the lasing threshold and polarization of the output light with UV radiation through photoswitching of liquid crystal phase from nematic to isotropic is demonstrated. The photocontrollable phase switching is achieved by reversible E/Z isomerization of the azobenzene dopant introduced to the nematic host matrix. It is revealed that the isotropic state of liquid crystal provides more efficient random lasing with lower threshold due to significant scattering of the ordinary wave.
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Affiliation(s)
- Victor Lisinetskii
- Technical University of Applied Sciences Wildau , Hochschulring 1, 15745 Wildau, Germany
| | - Alexander Ryabchun
- Fraunhofer Institute for Applied Polymer Research , Geiselbergstr. 69, 14476 Potsdam-Golm, Germany
- Faculty of Chemistry, Moscow State University , Leninskie Gory, 119991 Moscow, Russia
| | - Alexey Bobrovsky
- Faculty of Chemistry, Moscow State University , Leninskie Gory, 119991 Moscow, Russia
| | - Sigurd Schrader
- Technical University of Applied Sciences Wildau , Hochschulring 1, 15745 Wildau, Germany
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17
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Snell KE, Hou R, Ishow E, Lagugné-Labarthet F. Enhanced Rates of Photoinduced Molecular Orientation in a Series of Molecular Glassy Thin Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:7296-7305. [PMID: 26072966 DOI: 10.1021/acs.langmuir.5b01319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Photoinduced orientation in a series of molecular glasses made of small push-pull azo derivatives is dynamically investigated for the first time. Birefringence measurements at 632.8 nm are conducted with a temporal resolution of 100 ms to probe the fast rate of the azo orientation induced under polarized light and its temporal stability over several consecutive cycles. To better evaluate the influence of the azo chemical substituents and their electronic properties on the orientation of the whole molecule, a series of push-pull azo derivatives involving a triphenylaminoazo core substituted with distinct electron-withdrawing moieties is studied. All resulting thin films are probed using polarization modulation infrared spectroscopy that yields dynamical linear dichroism measurements during a cycle of orientation followed by relaxation. We show here in particular that the orientation rates of small molecule-based azo materials are systematically increased up to 7-fold compared to those of a reference polymer counterpart. For specific compounds, the percentage of remnant orientation is also higher, which makes these materials of great interest and promising alternatives to azobenzene-containing polymers for a variety of applications requiring a fast response and absolute control over the molecular weight.
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Affiliation(s)
- Kristen E Snell
- †CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
| | | | - Eléna Ishow
- †CEISAM-UMR CNRS 6230, Université de Nantes, 2 rue de la Houssinière, 44322 Nantes, France
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18
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Han G, Zhang H, Chen J, Sun Q, Zhang Y, Zhang H. Easily crosslinkable side-chain azobenzene polymers for fast and persistent fixation of surface relief gratings. NEW J CHEM 2015. [DOI: 10.1039/c4nj01658k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and highly efficient approach to achieve rapid and persistent fixation of the photoinduced surface relief gratings is described.
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Affiliation(s)
- Guang Han
- Key Laboratory of Functional Polymer Materials
- Ministry of Education
- State Key Laboratory of Medicinal Chemical Biology
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry
- Nankai University
| | - Hongtao Zhang
- Key Laboratory of Functional Polymer Materials
- Ministry of Education
- State Key Laboratory of Medicinal Chemical Biology
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry
- Nankai University
| | - Jing Chen
- MOE Key Laboratory of Weak Light Nonlinear Photonics
- Tianjin Key Laboratory of Photonics and Technology of Information Science
- School of Physics
- Nankai University
- Tianjin 300071
| | - Qian Sun
- MOE Key Laboratory of Weak Light Nonlinear Photonics
- Tianjin Key Laboratory of Photonics and Technology of Information Science
- School of Physics
- Nankai University
- Tianjin 300071
| | - Yuying Zhang
- Key Laboratory of Functional Polymer Materials
- Ministry of Education
- State Key Laboratory of Medicinal Chemical Biology
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry
- Nankai University
| | - Huiqi Zhang
- Key Laboratory of Functional Polymer Materials
- Ministry of Education
- State Key Laboratory of Medicinal Chemical Biology
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry
- Nankai University
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19
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Snell KE, Stéphant N, Pansu RB, Audibert JF, Lagugné-Labarthet F, Ishow E. Nanoparticle organization through photoinduced bulk mass transfer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:2926-2935. [PMID: 24588660 DOI: 10.1021/la404988d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A series of dipolar triphenylaminoazo derivatives, with largely distinct charge transfer and glass transition temperatures, has been synthesized. Their photomigration capability in the solid state to form surface relief gratings (SRGs) under interferential illumination has been investigated with respect to their photochromic properties and showed a prevailing influence of the bulkiness of the azo substituent. The azo mass transfer was utilized to efficiently photoalign 200 nm polystyrene nanoparticles along the SRG crests, which were initially deposited on nonirradiated azo surfaces. In contrast, nanoparticles spin cast on prestructured surface relief gratings were localized in the troughs of the periodic structures. These distinct locations point out the ability of isotropic and amorphous photochromic thin films to collectively move and organize nano-objects in an ordered fashion through the use of polarized illumination. This versatile approach opens the path to optically aligned ensembles of individual nano-objects over large areas, which can be further combined with metallic conductive or magnetic coating to create novel functional nanostructures.
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Affiliation(s)
- Kristen E Snell
- CEISAM-UMR CNRS 6230, Université de Nantes , 2 rue de la Houssinière, 44322 Nantes, France
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20
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Park JW, Nagano S, Yoon SJ, Dohi T, Seo J, Seki T, Park SY. High contrast fluorescence patterning in cyanostilbene-based crystalline thin films: crystallization-induced mass flow via a photo-triggered phase transition. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:1354-1359. [PMID: 24734301 DOI: 10.1002/adma.201304250] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A facile and innovative method for the fabrication of highly fluorescent micro-patterns is presented, which operates on the principle of phototriggered phase transition and physical mass migration in the crystalline film of a cyanostilbene-type aggregation-induced enhanced emission (AIEE) molecule ((Z)-2,3-bis(3,4,5-tris(dodecyloxy)phenyl) acrylonitrile) with liquid-crystalline (LC) mesomorphic behavior.
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21
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Bobrovsky A, Mochalov K, Chistyakov A, Oleinikov V, Shibaev V. AFM study of laser-induced crater formation in films of azobenzene-containing photochromic nematic polymer and cholesteric mixture. J Photochem Photobiol A Chem 2014. [DOI: 10.1016/j.jphotochem.2013.10.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Seo J, Chung JW, Kwon JE, Park SY. Photoisomerization-induced gel-to-sol transition and concomitant fluorescence switching in a transparent supramolecular gel of a cyanostilbene derivative. Chem Sci 2014. [DOI: 10.1039/c4sc02170c] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The light-induced trans-to-cis isomerization of a cyanostilbene moiety in a transparent gel triggers the gel-to-sol transition and fluorescence color switching.
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Affiliation(s)
- Jangwon Seo
- Center for Supramolecular Optoelectronic Materials
- Department of Materials Science and Engineering
- Seoul National University
- ENG 445 Seoul 151-744, Korea
| | - Jong Won Chung
- Center for Supramolecular Optoelectronic Materials
- Department of Materials Science and Engineering
- Seoul National University
- ENG 445 Seoul 151-744, Korea
| | - Ji Eon Kwon
- Center for Supramolecular Optoelectronic Materials
- Department of Materials Science and Engineering
- Seoul National University
- ENG 445 Seoul 151-744, Korea
| | - Soo Young Park
- Center for Supramolecular Optoelectronic Materials
- Department of Materials Science and Engineering
- Seoul National University
- ENG 445 Seoul 151-744, Korea
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23
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Priimagi A, Shevchenko A. Azopolymer-based micro- and nanopatterning for photonic applications. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/polb.23390] [Citation(s) in RCA: 218] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Arri Priimagi
- Department of Applied Physics; Aalto University; Aalto FI-00076 Finland
| | - Andriy Shevchenko
- Department of Applied Physics; Aalto University; Aalto FI-00076 Finland
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24
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Tsiminis G, Wang Y, Kanibolotsky AL, Inigo AR, Skabara PJ, Samuel IDW, Turnbull GA. Nanoimprinted organic semiconductor laser pumped by a light-emitting diode. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:2826-2830. [PMID: 23580437 DOI: 10.1002/adma.201205096] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 03/07/2013] [Indexed: 06/02/2023]
Abstract
An organic semiconductor laser, simply fabricated by UV-nanoimprint lithography (UV-NIL), that is pumped with a pulsed InGaN LED is demonstrated. Molecular weight optimization of the polymer gain medium on a nanoimprinted polymer distributed feedback resonator enables the lowest reported UV-NIL laser threshold density of 770 W cm(-2) , establishing the potential for scalable organic laser fabrication compatible with mass-produced LEDs.
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Affiliation(s)
- Georgios Tsiminis
- Organic Semiconductor Centre, SUPA, School of Physics & Astronomy, University of St Andrews, St Andrews, UK
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