Review
Polymer Science
Claudia Pinon-Balderrama, Cesar Leyva-Porras, Alain Salvador Conejo-Davila, Erasto Armando Zaragoza-Contreras
Summary: Scientific research has found that the self-assembly behavior of block copolymers comprising charged-neutral segments can optimize the generation and storage efficiency of electrical energy. The sulfonation reaction is a commonly used method to alter the self-assembly behavior of block copolymers. Recent studies have shown improvements in the mechanical properties, ionic conduction capabilities, and interface activity of block copolymers through the sulfonation reaction. Additionally, practical applications and challenges are discussed.
Review
Chemistry, Multidisciplinary
Mohammad Bayat, Davood Gheidari, Morteza Mehrdad
Summary: Ketenimines are reactive species that serve as synthetic intermediates, and have garnered significant interest in recent years, leading to extensive research on their preparation methods and applications.
ARABIAN JOURNAL OF CHEMISTRY
(2022)
Review
Chemistry, Multidisciplinary
Mohammad Bayat, Davood Gheidari, Morteza Mehrdad
Summary: Ketenimines are reactive species that serve as synthetic intermediates. In recent decades, there has been a significant increase in interest in this class of compounds, leading to extensive research on ketenimine derivatives, including their preparation methods and applications.
ARABIAN JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Xiaowei Pan, Changjiang Wu, Huayi Fang, Chunhua Yan
Summary: Research on lanthanide complexes with silyl ligands is gaining attention, but efforts have been unbalanced for different lanthanide elements. In this study, four types of silyl lanthanide ate complexes were synthesized and structurally characterized. The lanthanum-silicon bonds in these complexes show a polarized covalent feature.
INORGANIC CHEMISTRY
(2022)
Article
Energy & Fuels
Yan Lin, Haitao Wang, Shiwen Fang, Hongming Jiang, Zhen Huang, Guoqiang Wei, Xiaobo Wang, Zengli Zhao, Hongyu Huang
Summary: The study investigates the effects of particle size and temperature on the chemical looping combustion (CLC) of lignite, using iron ore as the oxygen carrier with added alkaline-earth metals and transition metals. The modification of the oxygen carrier with Cu, K, Na, Ca, and Mn enhances its capacity to transform lignite and improve CO2 selectivity, with potential applications in the design of oxygen carriers for the CLC process.
Article
Energy & Fuels
Yan Lin, Haitao Wang, Shiwen Fang, Hongming Jiang, Zhen Huang, Guoqiang Wei, Xiaobo Wang, Zengli Zhao, Hongyu Huang
Summary: This paper investigates the effects of particle size and temperature on the chemical looping combustion of lignite using iron ore as the oxygen carrier. The modification of the oxygen carrier with Cu, K, Na, Ca and Mn effectively enhances the capacity for lignite transformation.
Article
Chemistry, Multidisciplinary
Yuyin Zhao, Jiaxin Zheng, Pei Guo, Congxiao Wang, Menghao Guo, Chunling Xin, Yadong He
Summary: In this study, acid anhydride chain extenders SMA were used to improve the melt foaming properties and reduce the shrinkage rate of thermoplastic polyamide elastomers (TPAE) blended with polyamide 6 (PA6). The modified TPAE samples showed reduced melting enthalpy and enhanced gas penetration and foam shrinkage reduction. Additionally, the microcross-linked structure formed with increased PA6 content improved the storage modulus and strain recovery of the modified TPAE. The foaming temperature zone and recovery performance of all modified TPAE samples were significantly improved, resulting in reduced overall shrinkage rate, increased expansion ratio, more complete cell structure, and improved resilience.
Review
Chemistry, Multidisciplinary
Jiajing Wu, Jing Peng, Haofeng Sun, Yuqiao Guo, Hongfei Liu, Changzheng Wu, Yi Xie
Summary: Intercalation chemistry plays a crucial role in solid-state physics and chemistry, enabling the modulation of electronic structures and the construction of new materials with unique properties. It has gained popularity in recent years in the synthesis and regulation of 2D transition metal dichalcogenides (TMDs), which have extensive applications in electronics, optoelectronics, and energy-based devices. In this review, the authors provide a comprehensive overview of recent advances in intercalation exfoliation of 2D TMD materials, focusing on the interactions between the host, guest, and solvent. The effect of intercalation chemistry on the synthesis and modification of TMD nanosheets is discussed, considering lattice strain, interlayer distance, and carrier density. The review concludes with a prospectus on future research opportunities in the intercalation chemistry of 2D materials.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Dooyong Lee, Taewon Min, Jiwoong Kim, Sehwan Song, Jisung Lee, Haeyong Kang, Jouhahn Lee, Deok-Yong Cho, Jaekwang Lee, Jae Hyuck Jang, Sungkyun Park
Summary: The study found that octahedral symmetry in VO2 can control its IMT characteristics by changing orbital occupancy, and monoclinic VO2 with high octahedral symmetry exhibits bandwidth-controlled IMT characteristics.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Zhenquan Sun, Wenjie Ma, Yihui Cao, Tongyao Wei, Xiaoyong Mo, Hoi Yee Chow, Yi Tan, Carina H. P. Cheung, Jiamei Liu, Hung Kay Lee, Edmund C. M. Tse, Han Liu, Xuechen Li
Summary: In this study, a superfast desulfurization strategy based on tetraethylborate was developed for the modification of complex biomacromolecules. This strategy is simple to operate and does not require special conditions. The authors also developed a one-pot native chemical ligation-desulfurization method for the synthesis of specific proteins.
Article
Chemistry, Multidisciplinary
Wei Zong, Hele Guo, Yue Ouyang, Lulu Mo, Chunyang Zhou, Guojie Chao, Johan Hofkens, Yang Xu, Wei Wang, Yue-E Miao, Guanjie He, Ivan P. Parkin, Feili Lai, Tianxi Liu
Summary: The study successfully constructed an expanded 2D rhenium selenide intercalated by nitrogen-doped carbon hybrid with a strong-coupled interface and weak van der Waals forces, improving conductivity and accelerating reaction kinetics. Results showed that the hybrid capacitor has enhanced rate capability and long-term cyclability, as well as favorable sodium storage kinetics, making it applicable in a wide temperature range.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Chemical
Maria Fernanda Munguia-Quintero, Miguel Angel Vega-Hernandez, Alberto Rosas-Aburto, Martin Guillermo Hernandez-Luna, Simon Lopez-Ramirez, Jose Fernando Barragan-Aroche, Eduardo Vivaldo-Lima
Summary: A lignin-graft-(net-poly(acrylamide-co-N,N & PRIME;methylenebisacrylamide)) copolymer was synthesized by conventional and microwave heating. The grafting of the polymer network onto lignin was confirmed, and the performance of the modified materials for lead removal from water was evaluated. The obtained copolymer showed excellent removal efficiencies and high adsorption capacity for Pb2+.
Article
Chemistry, Inorganic & Nuclear
Wei-Guo Jia, Xue-Ting Zhi, Xiao-Dong Li, Jun-Peng Zhou, Rui Zhong, Haibo Yu, Richmond Lee
Summary: A mild and environmentally friendly method was reported for synthesizing half-sandwich ruthenium complexes through the Wittig reaction using phosphorus ylide mechanochemically. The synthesized complexes exhibited high catalytic activity in the transfer hydrogenation of ketones without the need for harsh reaction conditions and organic solvents. Density functional theory was used to propose a mechanism for the transfer hydrogenation process, highlighting the importance of the labile p-cymene ligand in modulating catalyst reactivity.
INORGANIC CHEMISTRY
(2021)
Article
Materials Science, Ceramics
Monika Wilamowska-Zawlocka, Magdalena Graczyk-Zajac
Summary: This work investigates the electrochemical behavior and microstructural analysis of silicon oxycarbide ceramics influenced by the addition of polystyrene. The results show that the free carbon phase is the main lithium storage host and increasing the amount of SiO4 units increases the initial capacity but decreases the cycling stability and rate capability.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Ekaterina Pomerantseva
Summary: The use of electrical plants and grids for power generation and transmission requires an effective mechanism for energy storage. This can be achieved through the use of electrical energy storage devices such as batteries and supercapacitors. Rational design of new materials on an atomic level, including chemical composition, structure, morphology, and heterointerfaces, is crucial for developing batteries with improved performance for specific applications. A synthesis strategy called the chemical preintercalation synthesis approach is introduced in this Account, which allows for the preparation of new intercalation host oxides, hybrid materials, and compounds with oxide/carbon heterointerfaces as electrodes in intercalation batteries. The approach allows for the control of material properties at the atomic level and opens pathways for the preparation of materials with advanced functionalities.
ACCOUNTS OF CHEMICAL RESEARCH
(2023)
Article
Polymer Science
Ao Chen, Gerald Er, Cheng Zhang, Joyce Tang, Mahbub Alam, Hang T. Ta, Alysha G. Elliott, Matthew A. Cooper, Janesha Perera, Simon Swift, Idriss Blakey, Andrew K. Whittaker, Hui Peng
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Zineb Khaldi, Jean K. Nzambe Takeki, Tan-Sothea Ouk, Romain Lucas, Rachida Zerrouk
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES
(2019)
Review
Materials Science, Multidisciplinary
Emanuel Ionescu, Samuel Bernard, Romain Lucas, Peter Kroll, Sergey Ushakov, Alexandra Navrotsky, Ralf Riedel
ADVANCED ENGINEERING MATERIALS
(2019)
Article
Chemistry, Physical
Arish Dasan, Romain Lucas, Etienne Laborde, Cassandre Piriou, Sylvie Foucaud
APPLIED SURFACE SCIENCE
(2019)
Article
Polymer Science
Megane Bernard, Romain Lucas, Hatim Laadoua, Zineb Khaldi, Nicolas Pradeilles, Olivier Rapaud, Sylvie Foucaud, Rachida Zerrouki, Francois Brouillette
POLYMERS FOR ADVANCED TECHNOLOGIES
(2020)
Article
Nanoscience & Nanotechnology
Ao Chen, Apostolos Karanastasis, Kaitlyn R. Casey, Matthew Necelis, Benjamin R. Carone, Gregory A. Caputo, Edmund F. Palermo
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Materials Science, Ceramics
Hatim Laadoua, Nicolas Pradeilles, Romain Lucas, Sylvie Foucaud, William John Clegg
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2020)
Article
Chemistry, Physical
Fabien Bouzat, Romain Lucas, Yann Leconte, Sylvie Foucaud, Yves Champavier, Cristina Coelho Diogo, Florence Babonneau
Summary: This study investigated the impact of Zr on the fabrication of ZrC-SiC composites by synthesizing specific polymeric structures and proposing a four-step mechanism, analyzing the role of Zr in the thermal path.
Article
Materials Science, Multidisciplinary
Elise Hugon, Olivier Rapaud, Romain Lucas, Thierry Chotard
Summary: This study investigates the use of arc melting and spark plasma sintering (SPS) as current-assisted techniques for synthesizing the Ti2AlC carbide MAX phase. Parameters are adjusted to improve sample composition and reduce secondary phases. It is found that different heating methods and pressures can lead to variations in the composition of Ti2AlC samples.
ADVANCED ENGINEERING MATERIALS
(2022)
Article
Chemistry, Physical
Eric Osei-Agyemang, Arish Dasan, Romain Lucas, Sylvie Foucaud, Sylvain Cristol, Etienne Laborde
Summary: This study focuses on grafting polymeric precursors onto functionalized ZrC surfaces to synthesize ZrC/SiC core/shell composites. The surface modification and subsequent grafting reactions were found to be favorable and promising for the synthesis of organic macromolecules on ZrC/SiC interfaces.
APPLIED SURFACE SCIENCE
(2022)
Article
Polymer Science
Abdechakour Elkihel, Charlotte Vernisse, Tan-Sothea Ouk, Romain Lucas-Roper, Vincent Chaleix, Vincent Sol
Summary: This study presents a synthesis method for light-triggered antibacterial hydrogels based on xylan chains chemically bound to meso-tetra(4-carboxyphenyl)porphyrin (TCPP). TCPP not only acts as an efficient photosensitizer against Gram-positive bacteria, but also serves as a cross-linking agent for the hydrogels. The hydrogels were characterized using infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), and swelling and rheological tests. Under visible light irradiation, the hydrogels showed interesting antimicrobial activity against Staphylococcus aureus and Bacillus cereus, suggesting their potential for the treatment of skin bacterial infections through photodynamic antimicrobial chemotherapy (PACT).
Article
Biochemistry & Molecular Biology
Nilesh Dhondoo, Julie Cornette, Sylvie Foucaud, Maggy Colas, Romain Lucas-Roper
Summary: In the field of non-oxide ceramics, the polymer-derived ceramic (PDC) approach shows promise in obtaining easily shaped and homogeneous materials. This study describes a rheometer coupled with an infrared spectrometer and a Raman probe as a powerful tool for monitoring the synthesis of polycarbosilanes in real-time. The device allows control of viscosity and links it to structural modifications.
Article
Nanoscience & Nanotechnology
Abdechakour Elkihel, Camille Christie, Charlotte Vernisse, Tan-Sothea Ouk, Romain Lucas, Vincent Chaleix, Vincent Sol
Summary: A simple strategy to synthesize a cross-linked hydrogel from beech xylan was reported in this study. The hydrogel encapsulated a hydrophilic photosensitizer, which showed prolonged release of PS and exhibited significant photocytotoxic effect against various bacterial strains.
ACS APPLIED BIO MATERIALS
(2021)
Article
Education, Scientific Disciplines
Nurul Fatahah Asyqin Zainal, Jean Marc Saiter, Suhaila Idayu Abdul Halim, Romain Lucas, Chin Han Chan
Summary: The overview presents the basic fundamentals of thermal analysis for educational purposes, focusing on DSC and TGA instrumentation, glass transition temperature estimation, and activation energy calculation, which are applicable for teaching activities.
CHEMISTRY TEACHER INTERNATIONAL
(2021)
Article
Polymer Science
Ao Chen, Elliot Chen, Edmund F. Palermo
Summary: The study focuses on the synthesis of cationic dendrons with pendant alkyl chains of varying lengths, which exhibit potent membrane-disrupting antibacterial activities. However, compared to previously studied ammonium-functionalized analogues, guanidinium-functionalized dendrons do not show significant benefits, with the highest selectivity index found in the ammonium series.