Review
Polymer Science
Jente Verjans, Richard Hoogenboom
Summary: Supramolecular polymer materials are physically crosslinked polymeric structures that exhibit stimuli-responsive behavior and healable properties due to noncovalent interactions. The incorporation of the quadruple hydrogen bonding unit UPy in polymeric precursors has led to the development of a wide range of hydrogen bonded materials with diverse applications. This review focuses on the design strategies to synthesize UPy-containing polymer materials and discusses their material properties.
PROGRESS IN POLYMER SCIENCE
(2023)
Article
Polymer Science
Xing Li, Wenqing Xu, Wenhua Yuan, Kangkang Liu, Jian Zhou, Guorong Shan, Yongzhong Bao, Pengju Pan
Summary: Functionalization of oligomers with multiple H-bonding units is a feasible method to prepare supramolecular polymers. The investigation on crystalline structure, crystallization kinetics, thermally induced structural evolution, and structure-property relationships of U-PCLs revealed their composition-dependent behavior. The dual shape memory effects achieved based on the double crystalline nature of U-PCLs show potential for practical applications.
Article
Chemistry, Physical
Nelson S. Bell, Mark A. Rodriguez, Paul Kotula, Jessica N. Kruichak, Bernadette A. Hernandez-Sanchez, Maddison R. Casillas, Igor Kolesnichenko, Edward N. Matteo
Summary: Novel materials based on the aluminum oxyhydroxide boehmite phase were prepared using a glycothermal reaction in 1,4-butanediol. The atomic structure of the boehmite phase is altered by the glycol solvent in place of the interlayer hydroxyl groups, creating glycoboehmite. The intercalated glycol molecules in glycoboehmite form a bilayer structure, resulting in twice the expansion identified in previous literature.
APPLIED CLAY SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Marina Perez-Jimenez, Jesus Campos, Jesus Jover, Santiago Alvarez, Ernesto Carmona
Summary: LiCH3 and LiCH2CH3 react with complex [Mo-2(H)(2)(μ-Ad(Dipp2))(2)(thf)(2)] (1 center dot thf) to form complexes with coordination of LiCH2R (R=H, CH3). Computational studies reveal the existence of five-center six-electron bonding within the H-Mo(sic)Mo-C-Li metallacycles, with predominantly ionic Li-C and Li-H interactions.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Li -Juan Ma, Ting Han, Zhichao Hao, Jianfeng Wang, Jianfeng Jia, Hai-Shun Wu
Summary: We investigated the growth pattern of Tin clusters on graphene and the bonding states of hydrogen. The stable Tin clusters on pristine graphene have quasi-planar structures, except for Ti4 and Ti5. Spillover occurs efficiently on single-site Ti catalysts, while the migration energy barrier from Tin clusters to graphene on the cluster is higher. Defects in graphene result in three-dimensional conical configurations for Tin clusters, with Ti3 and Ti6 being the most stable. Our findings provide a molecular-level explanation for recent experiments.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Multidisciplinary
Gong Chen, Yong Zhang, Chi Zhang, Weixin Ye, Jirong Wang, Zhigang Xue
Summary: In this study, gel polymer electrolytes consisting of a polyurea network with abundant hydrogen bonds and deep eutectic electrolyte are designed and prepared. These electrolytes exhibit good interfacial stability and long cycle life, making them suitable for lithium metal batteries.
Article
Chemistry, Multidisciplinary
Pilar Sanchez-Andrada, Angel Vidal-Vidal, Tania Prieto, Jose Elguero, Ibon Alkorta, Marta Marin-Luna
Summary: The alkylammonium cation affinities and proton transfer processes of 64 nitrogen-containing organobases in the gas phase were calculated using DFT methods. Guanidine bases exhibit the highest proton transfer values while cis-2,2'-biimidazole shows the largest affinity towards alkylammonium cations. Experimental and theoretical data are in agreement, indicating that the propensity of an organobase for the proton transfer process is linearly correlated with its proton affinity.
Article
Materials Science, Multidisciplinary
Durnian C. Parulski-Seager, Amanda Suarez, Bezawit A. Getachew
Summary: Self-healing materials have the ability to autonomously recover from physical or chemical damage. In this study, the impact of monovalent and divalent ions on the self-healing efficiency of a model hydrogel was investigated. Contrary to the assumption, the results showed that divalent ions hindered self-healing efficiency in terms of ultimate tensile strength, but improved it in terms of strain recovery. The ratio of chemical crosslinkers did not affect self-healing efficiency. These findings challenge the existing assumptions about the role of divalent ions and chemical crosslinking in self-healing materials.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Polymer Science
Yongjing Hu, Zhishuang Deng, Zhiwei Fan, Zhukang Du, Yinshu Su, Wen Tang, Tao Lin Sun, Zi-Hao Guo, Kan Yue
Summary: A kind of transparent, hydrogen-bonded polymer complex elastomers with good mechanical strength and rapid self-healing capability was fabricated by in situ photoinitiated random copolymerization. These elastomers, after evaporating water molecules, formed dynamic hydrogen bonds that endowed them with excellent performance, including high mechanical strength and stretchability up to 24 times their initial length. The introduction of A6ACA as a comonomer significantly improved self-healing efficiency even under ambient conditions, showing promise for various applications.
Article
Materials Science, Composites
Baris Simsek, Tayfun Uygunoglu
Summary: This study analyzed the co-effects of super absorbent polymer and nanomaterials in cement pastes and found that the addition of MWCNT and GO can significantly improve the compressive strength and ultrasonic pulse velocity of the cement pastes, while also completely closing the cracks caused by plastic shrinkage.
COMPOSITES COMMUNICATIONS
(2022)
Article
Engineering, Manufacturing
William K. Ledford, S. Michael Kilbey II
Summary: The addition of silica nanoparticle-grafted random copolymers dramatically improves the mechanical properties of PMMA based nanocomposite specimens created by 3D printing. The improvements are attributed to multi-point hydrogen bonding between UPyMA groups, the reinforcement effect of the P(MMA-r-UPyMA)-grafted silica nanoparticles, as well as hydrogen bonding interactions and entanglements between graft and matrix chains. The solution-casting process improves the dispersion of nanoparticles and reduces the void spaces between printed beads, leading to enhanced interlayer adhesion and mechanical properties.
ADDITIVE MANUFACTURING
(2023)
Article
Chemistry, Inorganic & Nuclear
Aaron R. Wegener, Subrata K. Ghosh, Nattamai Bhuvanesh, Joseph Reibenspies, John A. Gladysz
Summary: The reaction of RhCl3 and (S,S)-1,2-diphenylethylenediamine (S,S-dpen) in DMSO at 140 degrees C yielded Lambda-[Rh(S,S-dpen)(3)](3+)3Cl(-) (Lambda-(S,S)-4(3+)3Cl(-)) in 76% yield. Various mixed and non-mixed salts involving different anions were prepared, and their crystal structures and hydrogen bonding were analyzed. The lipophilic salts showed high enantioselectivity as catalysts for the Michael addition reaction of dimethylmalonate to trans-ss-nitrostyrene.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
William Gallonde, Corentin Poidevin, Felix Houard, Elsa Caytan, Vincent Dorcet, Arnaud Fihey, Kevin Bernot, Stephane Rigaut, Olivier Galangau
Summary: This article presents how the interplay between H-bonds and dispersive forces can be rebalanced to induce or prevent the generation of kinetic metastable states. The study shows that by favoring dispersive interactions and extending the aromatic content, the cooperative supramolecular polymerization of toluene bis-amide derivatives can be delayed by trapping the metastable inactive state. Proper molecular engineering can create new opportunities for kinetically metastable states in monomers undergoing cooperative supramolecular polymerizations.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Riju Karmakar, Subhojyoti Sinha, Amit Kumar Das, Bilwadal Dutta, Subhamay Pramanik, Probodh Kumar Kuiri, Ajit Kumar Meikap
Summary: In this article, the water molecules mediated charge transportation kinetics in Polyvinyl alcohol (PVA)-Cobalt Oxide (CO3O4) flexible nanocomposite films were explored. The comprehension of surface and interface chemistry is crucial for understanding the chemical interactions at the aqueous hydrophilic PVA-Co3O4 interface. The dissociation of water molecules following the fragmentation of inter/intramolecular dangling bonds is correlated with the water diffusion kinetics and saturation in the sorption capacity of water-swollen PVA-Co3O4 nanocomposite films. The trap-states development due to the interfacial charge accumulation, after absorption of water molecules, are favourable for the trap-assisted space charge limited current conduction (TA-SCLC) mechanism and increase current density.
SURFACES AND INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Jing Yu, Ke Wang, Chuanchuan Fan, Xiaoye Zhao, Jushan Gao, Wanghui Jing, Xiaoping Zhang, Jia Li, Yuan Li, Jianhai Yang, Wenguang Liu
Summary: The introduction of a methylene spacer in the side chain of NAGA to generate a variant monomer, NAAA, results in an unprecedented ultrasoft and highly swollen supramolecular polymer hydrogel, with self-fused capability and excellent antifouling properties achieved by tuning the hydrogen bonding interactions.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zihan Ma, Lishuang Wang, Tingting Chen, Guangning Wang
Summary: In this study, two kinds of 3D self-doped (N/O) lilac-based and coriander-based porous carbons with high performance have been prepared.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Qin Wang, Yun-Fan Yan, Jiao-Lin Weng, Ying Huang, Fu Yang, Hao-Hui Xie, Fei Tan, Fa-Kun Zheng, Jian-Gang Xu
Summary: Balancing energy and mechanical sensitivities is a challenging issue in the field of energetic materials. This study constructed a 3D energetic metal-organic framework with nitrogen-rich ligand and NO3- anions. The framework demonstrated high stability, energy density, and excellent mechanical sensitivities, making it a potential insensitive energetic material.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Marrium Saeed, Urooj Kamran, Amina Khan, Md Irfanul Haque Siddiqui, Hasan Jamal, Haq Nawaz Bhatti
Summary: In this study, magnesium-aluminum layered double hydroxides (Mg-Al-LDH) were synthesized using an environmentally friendly hydrothermal technique for adsorbing the dye reactive green 5 (RG5). To improve the adsorption capability, composites were prepared by combining Mg-Al-LDH with low-cost Mangifera indica stone biomass (MISB). The results showed that the composites had high adsorption capacities for RG5 dye and could be regenerated.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Xuanlin Zhan, Xiaojie Li, Yunyan Zeng, Siyan Jiang, Chao Pan, Shiyu Pan, Jiaquan Huang, Heqian Zhang, Zhiwei Qin
Summary: This study reports on the potential prospects of natural products derived from the rhizosphere for the development of antibiotics and herbicides, as well as the advancements in cultivating a mutant strain that produces a substantial quantity of lydicamycins, a potent family for herbicide development.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Jie Zhu, Jiangtao Yu, Linhua Zhu, Xiaoxiao Yu, Jixing Liu, Yanhong Chao, Jingzhou Yin, Peiwen Wu, Jian Liu, Wenshuai Zhu
Summary: This study successfully demonstrates the 3D printing of attapulgite monoliths and investigates the influence of thermal treatment on their properties. The thermal treated monoliths show superior catalytic performance at low temperatures.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yanzhu Ye, Yixiang Ye, Jiannan Cai, Zhongshui Li, Shen Lin
Summary: In this paper, a novel Pt/CoP/C photo-electro synergistic catalyst was successfully synthesized and its performance was investigated. The catalyst exhibited excellent photo-electro catalytic performance, with significantly higher hydrogen production compared to a commercial catalyst. The introduction of cobalt phosphide and the existence of Co3O4 were identified as key factors for enhancing the catalytic activity.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Nurul Hidayah Abu Bakar, Wan Norfazilah Wan Ismail, Hartina Mohd Yusop, Noreen Farzuhana Mohd Zulkifli
Summary: Hydrophobic coatings inspired by the lotus effect have gained popularity for their ability to solve various problems. The sol-gel method, utilizing silica, alumina, and titania, is explored as an environmentally friendly approach to produce water-based hydrophobic coatings. This study focuses on producing water-based hydrophobic coatings for cotton and polyester fabrics using a one-step sol-gel method. The coated fabrics exhibited improved hydrophobic properties, altered surface morphologies, and lower air permeability compared to uncoated fabrics. TEOS-PDMS coating provides a promising approach for enhancing the hydrophobic and surface properties of cotton and polyester fabrics.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Nikita Belko, Hanna Maltanava, Anatol Lugovski, Polina Shabunya, Sviatlana Fatykhava, Evgeny Bondarenko, Pavel Chulkin, Sergey Poznyak, Michael Samtsov
Summary: This study investigates the difference in electrochemical behavior between rhodamine B hydrazide and rhodamine B acylhydrazone, and finds that rhodamine B acylhydrazone exhibits higher reversibility in electrooxidation. These results can be applied for developing new sensors with desired electrochemical properties.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Showket Ahmad Bhat, Mohd Ikram
Summary: In this study, 0-3 particulate multiferroic composites were synthesized and characterized. The composites exhibited excellent ferroelectric and ferromagnetic properties, as well as high piezoelectric strain and magnetoelectric coupling effects.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Carla Gomes, Mariana Costa, Susana M. M. Lopes, Bernardo Albuquerque Nogueira, Rui Fausto, Jose A. Paixao, Teresa M. V. D. e Melo, Luisa M. D. R. S. Martins, Marta Pineiro
Summary: The development of sustainable processes requires the integration of green chemistry principles. In this study, a solvent-free synthesis method was developed to prepare new copper catalysts, which efficiently catalyze cycloaddition reactions under solvent-free mechanochemical conditions. Through this process, the principles of atom economy, reduction of solvents and auxiliaries, design for energy efficiency, and reduction of derivatives and catalysis are combined.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Zhihua Liu, Jinzhe Li, Jianguo Zhou
Summary: This study demonstrates the enhancement of photoelectrochemical activity of BiFeO3 photoelectrodes through ion modification, which increases visible light absorption and active area, leading to improved PEC water splitting performance.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yisheng Zhang, Wensong Li, Jing Li, Fang Li, Wei Xue, Xinqiang Zhao, Yanji Wang
Summary: Pt/C and SO42-/ZrO2 were used as catalysts for the synthesis of p-aminophenol through the catalytic transfer hydrogenation of nitrobenzene in water with formic acid as the hydrogen source. The optimal Pt loading for PAP selectivity was found to be 1 wt%. The presence of different valence states of Pt affected both the nitrobenzene hydrogenation and formic acid decomposition. Among different solid acid catalysts tested, SO42-/ZrO2 exhibited the highest catalytic activity for p-aminophenol formation. Under the optimized reaction conditions, the conversion of nitrobenzene reached 80.0%, with a selectivity of 47.6% for p-aminophenol.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Pradyota Kumar Behera, Papita Behera, Amlan Swain, Santosh Kumar Sahu, Ajeena Sahoo, Laxmidhar Rout
Summary: We have developed a simple and direct method for the synthesis of diaryl ether using an oxygen bridged bimetallic CuMoO4 nanocatalyst under mild reaction conditions. The catalyst exhibited tolerance towards a wide range of substrates with various functional groups. It is efficient and recyclable. This methodology allows easy access to nitrofen derivatives (herbicides) from unactivated 2,4-dichlorophenol, which are important for agriculture and pharmaceuticals.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yihua Fu, Yan Zhang, Changwei Hu, Zhishan Su
Summary: The mechanism of the reaction between CO2 and styrene oxide for cyclic carbonate was revealed using density functional theory calculations. The noncatalytic reaction occurred via a concerted mechanism, while in the presence of guanidine and tetrabutylammonium iodide (TBAI) co-catalysts, the epoxide ring-opening by nucleophilic attack of an iodide anion was predicted to be the rate-determining step. Guanidine acted as the H-bond donor to activate styrene oxide, facilitating the reaction with a lower activation barrier.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Saikat Khamarui, Sirshendu Ghosh
Summary: Copper nanorods (Cu-NRs) exhibit significant plasmonic behavior and can act as efficient catalysts in redox processes and coupling. A benign decarboxylative approach, utilizing localized surface plasmon resonance (LSPR) assisted catalysis with Cu-NRs, has been developed for the production of alkane analogues from alkyl carboxylic acids under visible light. The catalyst shows a broad substrate scope and high functional group tolerance, without the need for an external oxidant or proton source. A plausible mechanism for this recyclable nano-catalyst has also been proposed based on control experiments.
NEW JOURNAL OF CHEMISTRY
(2024)