Article
Chemistry, Multidisciplinary
Benjamin Rui Peng Yip, Ricardo Javier Vazquez, Yan Jiang, Samantha R. Mccuskey, Glenn Quek, David Ohayon, Xuehang Wang, Guillermo C. Bazan
Summary: Films of anionic CPE-K drops cast from water can be used as stable solid-state pseudocapacitive electrodes in aqueous electrolytes. By increasing the electrolyte concentration, initially water soluble ionic-organic materials can be applied in batteries, organic electrochemical transistors, and electrochemical sensors.
ADVANCED MATERIALS
(2023)
Article
Polymer Science
Kathryn E. O'Harra, Emily M. DeVriese, Erika M. Turflinger, Danielle M. Noll, Jason E. Bara
Summary: This study introduces a series of vinyl-imidazolium-based polyelectrolyte composites modified with multivalent imidazolium-benzene ionic liquids or crosslinked with novel cationic crosslinkers. The composites exhibited enhanced CO2 permeabilities and selectivities against N-2 or CH4, demonstrating the potential for tuning the properties and transport behaviors of ionic polymers using ionic liquid-inspired small molecules.
Article
Polymer Science
Anna Lena Oechsle, Julian E. Heger, Nian Li, Shanshan Yin, Sigrid Bernstorff, Peter Muller-Buschbaum
Summary: The study compares the effects of different ionic liquids on the post-treatment of PEDOT:PSS thin films and shows that by adjusting the doping levels, the Seebeck coefficient and conductivity are enhanced, leading to an increased power factor of the film. Ionic liquid treatment helps optimize the distribution of PEDOT domains, improving film interconductivity and conductivity.
MACROMOLECULAR RAPID COMMUNICATIONS
(2021)
Article
Polymer Science
Chongrui Zhang, Yinmin Cai, Qiang Zhao
Summary: In this study, a positively charged poly(ionic liquid) with benzene rings in repeating units was designed to form fluidic coacervates when mixed with a like-charge poly(ionic liquid). The effects of polymer concentration, temperature, and ionic strength on the coacervate were investigated, and it was confirmed that the coacervate formation benefited from the cation-pi interaction. This work provides principles and understandings for designing coacervates derived from like-charge poly(ionic liquids) with high charge density.
MACROMOLECULAR RAPID COMMUNICATIONS
(2022)
Article
Materials Science, Multidisciplinary
Masaki Yoshida, Verner Saask, Daisuke Saito, Nobutaka Yoshimura, Junichi Takayama, Satoshi Hiura, Akihiro Murayama, Kaija Pohako-Esko, Atsushi Kobayashi, Masako Kato
Summary: The luminescent properties of the trihexyltetradecylphosphonium salts of anionic Pt(II) complexes were investigated, with the chloride complex shown to exhibit thermo- and mechano-triggered luminescence ON/OFF switching at ambient temperature, based on control of the supercooled liquid phase and bright luminescent crystalline phase.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Antoine Mazel, Lucas Rocco, Nicolas Penin, Aline Rougier
Summary: Novel electrochromic hybrid thin films are synthesized using liquid-phase epitaxy to produce highly oriented surface-anchored metal-organic frameworks (SurMOFs). The orange color of the {Zn-2(PDICl4)(2)} crystalline thin films can be reversibly switched through electrochemical reduction. A dark blue color with a color efficiency of 104.8 cm(2) C-1 (lambda = 645 nm) can be achieved in a lithium-based electrolyte within seconds. The color of the reduced state can be easily modulated by changing the electrolyte composition. Additionally, electrochromic devices with a unique configuration have been designed to switch from an initial orange color to dark blue and cyan simultaneously.
ADVANCED OPTICAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Abhinav Chandresh, Christof Woell, Lars Heinke
Summary: This study demonstrates the precise deposition of nanoporous metal-organic frameworks on graphene, yielding bilayers with excellent specificity and high sensitivity. This approach can solve the low specificity issue of graphene in sensor applications.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Shidokht Nazari, Paul A. Charpentier
Summary: This study investigates the role of different imidazolium ionic liquids on stabilizing vanadyl acetylacetonate and proposes a method for preparing monoclinic vanadium oxide thin films. It is found that a specific imidazolium ionic liquid has the best coordinating ability to protect the central vanadium atom from oxidation. The prepared films exhibit excellent thermochromic properties with a solar modulation efficiency of 20.3%.
Article
Physics, Applied
Shingo Maruyama, Yuki Ishikawa, Takahisa Mitsui, Kenichiro Aoki, Yuji Matsumoto
Summary: The study revealed a significant contribution of viscoelasticity in ionic liquid (IL) thin films and micro-droplets. Scanning surface fluctuation spectroscopy was able to spatially map out thickness and viscoelasticity values, successfully reproducing the typical surface morphology of the sample.
APPLIED PHYSICS EXPRESS
(2021)
Article
Chemistry, Physical
Szilvia Vavra, Anna Martinelli
Summary: In this study, vertically oriented and hexagonally ordered pores have been synthesized and investigated in mesoporous silica thin films. Different alkyl-imidazolium ionic liquids have been used as templates to explore the effect of chain length and protic character on film formation and pore order. Various metal substrates, including indium titanium oxide (ITO) and gold, were employed for film deposition. Complementary experimental methods such as GISAXS, Infrared spectroscopy, and cyclic voltammetry were utilized to thoroughly investigate the morphology and permeability of the deposited thin films.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Electrochemistry
Hongmei Jian, Hao Chen, Ling He, Chengjie Zhao, Jiang Chen, Tonggang Jiu, Guo-Hong Tao
Summary: The use of long-chain alkyl imidazolium ionic liquid (IL) can effectively suppress the aggregation of conjugated polyelectrolytes (CPE) in perovskite solar cells, leading to improved device efficiency. Combining IL with CPE results in a smoother hole transport layer, enhancing the film quality of the perovskite absorber.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Physics, Multidisciplinary
Xiang Ding, Shengchun Shen, Huaqian Leng, Minghui Xu, Yan Zhao, Junrui Zhao, Xuelei Sui, Xiaoqiang Wu, Haiyan Xiao, Xiaotao Zu, Bing Huang, Huiqian Luo, Pu Yu, Liang Qiao
Summary: The discovery of superconducting states in the nickelate thin film with infinite-layer structure has provided a new path for studying unconventional superconductivity. The study shows that the superconducting state of Nd0.8Sr0.2NiO2 is remarkably stable in ambient conditions, but disappears when immersed in water.
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
(2022)
Article
Chemistry, Physical
Katrin Forster-Tonigold, Jihyun Kim, Joachim Bansmann, Axel Gross, Florian Buchner
Summary: This study aims to provide a molecular understanding of the solid electrolyte interphase (SEI) formation at the electrode electrolyte interface (EEI) in lithium-ion batteries (LIBs). Through X-ray photoelectron spectroscopy (XPS) and density functional theory calculations (DFT-D3), the interaction between the battery-relevant ionic liquid (IL) 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMP-TFSI), Li, and a Co3O4(111) thin film model anode was investigated. The results reveal detailed insights into the SEI formation process and the surface reactions between BMP-TFSI, Li, and Co3O4.
Article
Polymer Science
Luis M. Rijos, Kelotchi S. Figueroa, Angelo Porcu, Naomi M. Rivera, Anamaris Melendez, Idalia Ramos, Nicholas J. Pinto
Summary: A poly(triaryl amine) thin film field effect transistor was investigated in air with ionic liquid gating for the first time, showing high performance compared to a similar transistor based on polyaniline conducting polymer. The low operating voltages and suitability for binary operations suggest its potential for use in organic electronics and low-power consumption electronic circuits.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Analytical
Maximilian Weiss, Christoph Riedl, Johannes Frank, Juergen Fleig, Andreas Limbeck
Summary: Solid oxide fuel cells (SOFCs) are a key technology for environmentally friendly power generation, with current research focusing on lowering their operating temperature for better application. By using online laser ablation of solids in liquids (LASIL) in combination with ICP-MS detection, the amount of platinum on the surface of lanthanum strontium iron oxide (LSF) thin film electrodes was accurately characterized, revealing the significant impact of platinum decoration homogeneity on the electrochemical properties of the electrodes.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Nicolas Goujon, Marianne Lahnsteiner, Daniel A. Cerron-Infantes, Hipassia M. Moura, Daniele Mantione, Miriam M. Unterlass, David Mecerreyes
Summary: A novel dual redox-active and porous polyimide network (MTA-MPT) was proposed for high energy density lithium batteries and symmetric all-organic batteries, which exhibited high theoretical capacity and excellent cycling performance.
MATERIALS HORIZONS
(2023)
Article
Engineering, Environmental
Alba Fombona-Pascual, Nagaraj Patil, Enrique Garcia-Quismondo, Nicolas Goujon, David Mecerreyes, Rebeca Marcilla, Jesus Palma, Julio J. Lado
Summary: This study presents an all-polymer rocking chair practical FDI cell with excellent electrochemical performance and desalination capacity, surpassing CDI and FDI techniques.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Thomas Habets, Jorge L. L. Olmedo-Martinez, Rafael del Olmo, Bruno Grignard, David Mecerreyes, Christophe Detrembleur
Summary: A new liquid CO2-sourced bis(alpha-alkylidene cyclic carbonate) monomer was successfully copolymerized with thiols to produce linear and cross-linked polymers. The thermal properties and ionic conductivity of the resulting linear polymers were studied. The cross-linked material combined with LiTFSI salt yielded a solid polymer electrolyte with high ionic conductivity and a wide electrochemical stability window, making it suitable for battery applications.
Article
Energy & Fuels
Jorge L. Olmedo-Martinez, Asier Fdz De Anastro, Maria Martinez-Ibanez, Alejandro J. Muller, David Mecerreyes
Summary: This study investigated the blends of polyethylene oxide (PEO) and poly(sodium 1-[3-(methacryloyloxy)propylsulfonyl]-1-(tri-fluoromethanesulfonyl) imide) (PNaMTFSI) for their application as solid electrolytes in sodium batteries. PNaMTFSI was found to decrease the crystal growth rate of PEO but increase its nucleation rate, leading to higher overall crystallization rate in the blends. The ionic conductivity of the blends was also influenced by the composition, with the highest values observed at 15 and 30 wt% PNaMTFSI.
Article
Chemistry, Physical
Ana Clara Rolandi, Cristina Pozo-Gonzalo, Iratxe de Meatza, Nerea Casado, Maria Forsyth, David Mecerreyes
Summary: This study proposes the use of carrageenan biopolymers as a sustainable and water-processable binder for high-voltage NMC811 cathodes in lithium-ion batteries. The binder with 3 sulfonate groups (3SO(3) (-) Carr) showed the highest discharge capacities and capacity retention.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Tijs Lap, Nicolas Goujon, Daniele Mantione, Fernando Ruiperez, David Mecerreyes
Summary: Organic materials, especially bio-based organic electrode materials (OEMs), have gained attention as sustainable electrode materials for batteries. However, bio-based OEMs for high-voltage batteries are limited. In this study, bio-based polyhydroxyanthraquinones (PHAQs) and their redox polymers were synthesized to address this issue. It was found that PHAQ polymer composites synthesized using formaldehyde as a linker and multiwalled carbon nanotubes (MWCNTs) showed the best cycling performance in lithium metal batteries.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Green & Sustainable Science & Technology
Ana Clara Rolandi, Cristina Pozo-Gonzalo, Iratxe de Meatza, Nerea Casado, David Mecerreyes, Maria Forsyth
Summary: The use of fluorine-free poly(ionic liquid)s as binders in batteries offers a sustainable alternative to toxic solvents. These binders exhibit high ionic conductivity and effectively prevent degradation of battery particles, resulting in improved capacity retention and lithium diffusion.
ADVANCED ENERGY AND SUSTAINABILITY RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Ana Aguzin, Antonio Dominguez-Alfaro, Miryam Criado-Gonzalez, Santiago Velasco-Bosom, Matias L. Picchio, Nerea Casado, Eleni Mitoudi-Vagourdi, Roque J. Minari, George G. Malliaras, David Mecerreyes
Summary: We developed mixed ionic-electronic conducting materials by mixing PEDOT:PSS and various DES as additives, inducing supramolecular assembly and gelification. The eutectogels showed high ionic-electronic conductivity and shear-thinning behavior, suitable for direct ink writing. Using PEDOT:PSS/DES as ink, tattoo-like electrodes were 3D printed and tested for electromyography measurements, showing excellent conformability and signal-to-noise ratio.
MATERIALS HORIZONS
(2023)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Ilda O. Santos-Mendoza, David Mecerreyes, Maria Forsyth, Nerea Casado
Summary: Ion transport in composite electrodes is crucial for the performance of lithium-metal batteries, and the use of ionic conducting polymers as binders has been suggested. In this study, two poly(ionic liquid) polymers were analyzed as binders in LiFePO4 cathodes, and PMTFSI-Li showed the best performance with high specific capacity and long lifespan. Surprisingly, the presence of ionic binders also affected the lithium metal deposition morphology, leading to a more homogeneous plating and mitigating mossy lithium growth.
BATTERIES & SUPERCAPS
(2023)
Article
Materials Science, Multidisciplinary
Jon Lopez de Lacalle, Matias L. Picchio, Antonio Dominguez-Alfaro, Ruben Ruiz-Mateos Serrano, Bastien Marchiori, Isabel del Agua, Naroa Lopez-Larrea, Miryam Criado-Gonzalez, George G. Malliaras, David Mecerreyes
Summary: This study demonstrates the use of hydrophobic eutectogels as water-resistant electrodes, which possess adjustable mechanical properties and excellent stability for recording electromyography (EMG) signals in both underwater and air environments.
ACS MATERIALS LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Amparo Guemes, Antonio Dominguez-Alfaro, Ryo Mizuta, Santiago Velasco-Bosom, Alejandro Carnicer-Lombarte, Damiano G. Barone, David Mecerreyes, George Malliaras
Summary: Tungsten microwires are widely used in neuroscience due to their strength, flexibility, and cost-effectiveness. However, limitations such as high impedance and foreign body reactions hinder their use in electrophysiology. This study presents a novel method for coating tungsten microwires with PEDOT, which improves their electrical characteristics and enhances signal quality.
MATERIALS ADVANCES
(2023)
Article
Chemistry, Physical
Rebecca Grieco, Olivera Luzanin, Diego Alvan, Marta Liras, Robert Dominko, Nagaraj Patil, Jan Bitenc, Rebeca Marcilla
Summary: This study explores the utilization of a phenazine-based hybrid microporous polymer as an organic cathode in an aluminium battery. The introduction of phenazine active units in a robust microporous framework results in exceptional cycling stability, capacity retention, and rate capability.
FARADAY DISCUSSIONS
(2023)
Article
Chemistry, Multidisciplinary
Gabriele Tullii, Edgar Gutierrez-Fernandez, Carlotta Ronchi, Christian Bellacanzone, Luca Bondi, Miryam Criado-Gonzalez, Paola Lagonegro, Francesco Moccia, Tobias Cramer, David Mecerreyes, Jaime Martin, Maria Rosa Antognazza
Summary: Angiogenesis is a critical process in biology, but conventional treatments for pathological angiogenesis have limitations. This study explores the use of nano-sized materials and optical or electrical stimuli to overcome these limitations. The use of conjugated polymer-based nanoparticles as photo-actuators shows promise in enhancing or reducing the angiogenic capability of endothelial cells. These findings provide valuable evidence for a potential paradigm shift in therapeutic angiogenesis.
Article
Chemistry, Physical
Pierre L. Stigliano, Nagore Ortiz-Vitoriano, Lidia Medinilla, Jason E. Bara, Juan Miguel Lopez del Amo, Luis Lezama, Maria Forsyth, David Mecerreyes, Cristina Pozo-Gonzalo
Summary: This study investigates the use of a branched ether solvent, 1,2,3-trimethoxypropane (TMP), as an alternative electrolyte for sodium-air batteries (SABs). The addition of a co-solvent, N-butyl-N-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([C4mpyr][TFSI]), effectively limits the reactivity of TMP with sodium metal. The new cell design with a Na-beta-alumina disk for anode protection improves cell performance and achieves high discharge capacities. The findings highlight the potential of TMP as a base solvent and the importance of careful electrolyte composition design for greener and less toxic batteries.
FARADAY DISCUSSIONS
(2023)
Article
Chemistry, Physical
Mario Borlaf, Matias L. Picchio, Gisela Carina Luque, Miryam Criado-Gonzalez, Gregorio Guzman-Gonzalez, Daniel Perez-Antolin, Gabriele Lingua, David Mecerreyes, Edgar Ventosa
Summary: This study explores a new fabrication process for shape-conformable batteries, using 3D printing to assist in fabricating battery cells with targeted shapes, and employing flowable semi-solid electrodes to fill in the prefabricated parts of the battery cells. Injectible hydrogel electrolytes are used to give the semi-solid electrodes flowable properties during fabrication, while gelation of the electrolytes ensures their immobility during battery operation.
