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Wang SM, Jin YH, Zhou L, Wang KH, Kim HJ, Liu L, Kim E, Han Z. Hydrogen-Bonded Organic Framework-Polyoxometalate-Based System for Electrochromic Devices. ACS APPLIED MATERIALS & INTERFACES 2023; 15:56242-56252. [PMID: 37976415 DOI: 10.1021/acsami.3c11948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
A porous hydrogen-bonded organic framework (HOF) structure was explored for the first time in the design of high-performance electrochromic devices (ECDs) using polyoxometalate (POM)-based charge-balancing layers as counter electrodes (CEs). The novelty of this work lies in the facile construction of films using small molecule-based EC materials to form a porous HOF structure. A full-cell model of an ECD was constructed by utilizing a POM-based CE to optimize the voltage distribution on the HOF-coated working electrode (WE). The addition of PW12O403- (PW12) on CE significantly enhanced the voltage distribution on EC electrodes and decreased the overvoltage on the WE, further preventing the formation of non-EC species and resulting in a 3.3-fold increase in the lifetime of the ECD. The optical contrast was enhanced from 47% (TiO2 only) to 68%, and the coloration efficiency was enhanced from 185 (TiO2 only) to 373 cm2 C-1. The optimized voltage distribution on the WE, leading to the fast response time and high optical EC contrast, could be explained by the charge-balancing effect. Overall, this new finding provides a robust framework for designing high-performance ECDs, taking advantage of the porous morphology and potential matching of the HOF and PW12.
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Affiliation(s)
- Shi-Ming Wang
- Light Industry College, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Yuan-Hang Jin
- Light Industry College, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
| | - Lu Zhou
- Light Industry College, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
| | - Kai-Hua Wang
- Light Industry College, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
| | - Hee Jung Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Lin Liu
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
| | - Eunkyoung Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Zhengbo Han
- College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Huanggu District, Shenyang 110036, China
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Pomeraniec Altieri N, Coria-Oriundo LL, Angelomé PC, Battaglini F, Martínez Ricci ML, Méndez De Leo LP. Unexpected enhancement of pH-stability in Au 3+/Ag + loaded H-bonded layer-by-layer thin films. SOFT MATTER 2023; 19:6018-6031. [PMID: 37505204 DOI: 10.1039/d3sm00893b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
In this work, a polymeric film was synthesized through a layer-by-layer (LBL) self-assembly technique using polyacrylic acid (PAA) and polyethylene oxide (PEO), resulting in the formation of a hydrogen-bonded LBL film. The formation of these films was evaluated by PMIRRAS and QCM-D. The synergy of these techniques allowed the understanding of the mechanism of formation of the film by showing the H-bonding formation and film growth. Au and Ag metal ions were successfully incorporated into the films, as corroborated by the combination of the information obtained by XRR and PMIRRAS. The films were exposed to increasing pH, showing a pronounced improvement in stability in films loaded with Au ions, extending the stability from pH 4 to 10. This behavior allows the use of this system in a wider range of applications, including the possibility of working in biological conditions. On the other hand, films loaded with Ag disintegrated at pH above 4. At acidic pH (below 3), these films released the Ag ions, which may be useful for the preparation of antibacterial stimuli-responsive nanomaterials. In both cases, the films were adequate to produce metal nanoparticles by metal loading and in situ reduction.
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Affiliation(s)
- Nicolás Pomeraniec Altieri
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE - CONICET) Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Intendente Guiraldes S/N - 1er piso, Buenos Aires, Argentina.
| | - Lucy L Coria-Oriundo
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE - CONICET) Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Intendente Guiraldes S/N - 1er piso, Buenos Aires, Argentina.
| | - Paula C Angelomé
- Gerencia Química & Instituto de Nanociencia y Nanotecnología, Centro Atómico Constituyentes, CNEA, CONICET, Av. Gral. Paz 1499, 1650 San Martín, Buenos Aires, Argentina
| | - Fernando Battaglini
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE - CONICET) Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Intendente Guiraldes S/N - 1er piso, Buenos Aires, Argentina.
| | - María Luz Martínez Ricci
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE - CONICET) Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Intendente Guiraldes S/N - 1er piso, Buenos Aires, Argentina.
| | - Lucila P Méndez De Leo
- Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE - CONICET) Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Intendente Guiraldes S/N - 1er piso, Buenos Aires, Argentina.
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Guzmán E, Ortega F, Rubio RG. Layer-by-Layer Nanoassemblies for Vaccination Purposes. Pharmaceutics 2023; 15:pharmaceutics15051449. [PMID: 37242691 DOI: 10.3390/pharmaceutics15051449] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
In recent years, the availability of effective vaccines has become a public health challenge due to the proliferation of different pandemic outbreaks which are a risk for the world population health. Therefore, the manufacturing of new formulations providing a robust immune response against specific diseases is of paramount importance. This can be partially faced by introducing vaccination systems based on nanostructured materials, and in particular, nanoassemblies obtained by the Layer-by-Layer (LbL) method. This has emerged, in recent years, as a very promising alternative for the design and optimization of effective vaccination platforms. In particular, the versatility and modularity of the LbL method provide very powerful tools for fabricating functional materials, opening new avenues on the design of different biomedical tools, including very specific vaccination platforms. Moreover, the possibility to control the shape, size, and chemical composition of the supramolecular nanoassemblies obtained by the LbL method offers new opportunities for manufacturing materials which can be administered following specific routes and present very specific targeting. Thus, it will be possible to increase the patient convenience and the efficacy of the vaccination programs. This review presents a general overview on the state of the art of the fabrication of vaccination platforms based on LbL materials, trying to highlight some important advantages offered by these systems.
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Affiliation(s)
- Eduardo Guzmán
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
- Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XIII, 28040 Madrid, Spain
| | - Francisco Ortega
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
- Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XIII, 28040 Madrid, Spain
| | - Ramón G Rubio
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
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Yoshida K, Kamijo T, Ono T, Dairaku T, Takahashi S, Kashiwagi Y, Sato K. Electrical Stimuli-Responsive Decomposition of Layer-by-Layer Films Composed of Polycations and TEMPO-Modified Poly(acrylic acid). Polymers (Basel) 2022; 14:polym14245349. [PMID: 36559714 PMCID: PMC9782790 DOI: 10.3390/polym14245349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
We previously reported that layer-by-layer (LbL) film prepared by a combination of 2,2,6,6-tetramethylpiperidinyl N-oxyl (TEMPO)-modified polyacrylic acid (PAA) and polyethyleneimine (PEI) were decomposed by application of an electric potential. However, there have been no reports yet for other polycationic species. In this study, LbL films were prepared by combining various polycationics (PEI, poly(allylamine hydrochloride) (PAH), poly(diallydimethylammonium chloride) (PDDA), and polyamidoamine (PAMAM) dendrimer) and TEMPO-PAA, and the decomposition of the thin films was evaluated using cyclic voltammetry (CV) and constant potential using an electrochemical quartz crystal microbalance (eQCM). When a potential was applied to an electrode coated on an LbL thin film of polycations and TEMPO-PAA, an oxidation potential peak (Epa) was obtained around +0.6 V vs. Ag/AgCl in CV measurements. EQCM measurements showed the decomposition of the LbL films at voltages near the Epa of the TEMPO residues. Decomposition rate was 82% for the (PEI/TEMPO-PAA)5 film, 52% for the (PAH/TEMPO-PAA)5 film, and 49% for the (PDDA/TEMPO-PAA)5 film. It is considered that the oxoammonium ion has a positive charge, and the LbL films were decomposed due to electrostatic repulsion with the polycations (PEI, PAH, and PDDA). These LbL films may lead to applications in drug release by electrical stimulation. On the other hand, the CV of the (PAMAM/TEMPO-PAA)5 film did not decompose. It is possible that the decomposition of the thin film is not promoted, probably because the amount of TEMPO-PAA absorbed is small.
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Affiliation(s)
- Kentaro Yoshida
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-machi, Koriyama 963-8611, Fukushima, Japan
- Correspondence: ; Tel.: +81-24-932-8931
| | - Toshio Kamijo
- Department of Creative Engineering, National Institute of Technology, Tsuruoka College, 104 Sawada, Inooka, Tsuruoka 997-8511, Yamagata, Japan
| | - Tetsuya Ono
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-machi, Koriyama 963-8611, Fukushima, Japan
| | - Takenori Dairaku
- Integrated Center for Science and Humanities, The Section of Chemistry, Fukushima Medical University, 1 Hikarigaoka, Fukushima City 960-1295, Fukushima, Japan
| | - Shigehiro Takahashi
- Faculty of Pharmacy, Takasaki University of Health and Welfare, 37-1 Nakaorui-cho, Takasaki 370-0033, Gunma, Japan
| | - Yoshitomo Kashiwagi
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-machi, Koriyama 963-8611, Fukushima, Japan
| | - Katsuhiko Sato
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai 981-8558, Miyagi, Japan
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Solonchenko K, Rybalkina O, Chuprynina D, Kirichenko E, Kirichenko K, Nikonenko V. Stability of Properties of Layer-by-Layer Coated Membranes under Passage of Electric Current. Polymers (Basel) 2022; 14:polym14235172. [PMID: 36501567 PMCID: PMC9740353 DOI: 10.3390/polym14235172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/20/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022] Open
Abstract
Electrodialysis with layer-by-layer coated membranes is a promising method for the separation of monovalent and polyvalent ions. Since the separation selectivity is significantly reduced in the presence of defects in the multilayer system, the stability of the modifiers becomes an important issue. This article reports the i-V curves of layer-by-layer coated membranes based on the heterogeneous MK-40 membrane before and after 50 h long electrodialysis of a solution containing sodium and calcium ions at an underlimiting current density, and the values of concentrations of cations in the desalination chamber during electrodialysis. It is shown that the transport of bivalent ions through the modified membranes is reduced throughout the electrodialysis by about 50%, but the operation results in decreased resistance of the membrane modified with polyethylenimine, which may suggest damage to the modifying layer. Even after electrodialysis, the modified membrane demonstrated experimental limiting current densities higher than that of the substrate, and in case of the membrane modified with polyallylamine, the limiting current density 10% higher than that of the substrate membrane.
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Affiliation(s)
- Ksenia Solonchenko
- Physical Chemistry Department, Kuban State University, 350040 Krasnodar, Russia
| | - Olesya Rybalkina
- Physical Chemistry Department, Kuban State University, 350040 Krasnodar, Russia
| | - Daria Chuprynina
- Analytical Chemistry Department, Kuban State University, 350040 Krasnodar, Russia
| | - Evgeniy Kirichenko
- Department of Public and International Law, Kuban State Agrarian University named after I.T. Trubilin, 350004 Krasnodar, Russia
| | - Ksenia Kirichenko
- Physical Chemistry Department, Kuban State University, 350040 Krasnodar, Russia
- Correspondence:
| | - Victor Nikonenko
- Physical Chemistry Department, Kuban State University, 350040 Krasnodar, Russia
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