Article
Chemistry, Inorganic & Nuclear
Sushil M. Patil, Rama Mohana Rao Dumpala, Dibakar Goswami, Rimpi Dawar, Ruma Gupta
Summary: This study synthesized three new deep eutectic solvents (DES) and explored the behavior of metals in them. The researchers found that the absorption maxima of uranyl in DES was red-shifted, indicating a strong interaction between DES and uranyl. Through electrochemical and spectroscopic techniques, the solvation and speciation of UO22+ ions in DES were revealed, along with the unusual trends observed in the physical properties of DES.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Benjamin Malfait, Aicha Jani, Denis Morineau
Summary: This study establishes the phase diagram of the deep eutectic solvent ethaline and investigates its behavior in confined nanochannels. The results reveal the influence of the hydration level on the properties of ethaline. Crystallization and deep melting depressions occur when the water content exceeds a certain threshold, due to the combination of confinement and cryoscopic effects.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Jun Cao, Feng Zhu, Qihui Dong, Rong Wu, Erzheng Su
Summary: In this study, the structure-function relationships between the molecular structures of deep eutectic solvents (DESs) components and their physicochemical properties were systematically analyzed. An effective neural network model system was provided for the prediction of DESs properties, saving time and facilitating future research.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Review
Chemistry, Analytical
Vasil Andruch, Radoslav Halko, Jozef Tucek, Justyna Plotka-Wasylka
Summary: Atomic absorption spectrometry (AAS) is a widely used technique for metal quantification due to its practicality, easy use, and low cost. Sample pretreatment is commonly employed to improve the metrological characteristics of AAS, particularly the sensitivity and the detection limit. Deep eutectic solvents (DES) are being introduced into the analytical practice as new solvents in consideration of the principles of Green Analytical Chemistry. This article focuses on the potential of DES for the separation of metals and metalloids followed by AAS quantification, with an emphasis on their use in various liquid-liquid microextraction procedures.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2022)
Article
Electrochemistry
Nicholas S. Sinclair, Xiaochen Shen, Evan Guarr, Robert F. Savinell, Jesse S. Wainright
Summary: This study investigates the electrochemical decomposition of ethylene glycol/sodium chloride electrolyte and deep eutectic solvent, revealing a hydrogen production reaction under cathodic conditions and an aldehyde reaction under anodic conditions. The research also shows that a tertiary alcohol only DES has increased stability compared to primary alcohol electrolytes.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Biotechnology & Applied Microbiology
Jun Cao, Rong Wu, Feng Zhu, Qihui Dong, Erzheng Su
Summary: With the development of green chemistry, the demand for environmentally friendly and biocompatible solvents for non-aqueous enzymatic catalysis is increasing. Deep eutectic solvents (DESs) are considered the most promising alternatives to traditional organic solvents in non-aqueous biocatalysis. This study investigated the properties and component structures of DESs and their effects on enzyme performance, providing guidance for DESs design in non-aqueous enzymatic catalysis and expanding their applications in this field.
ENZYME AND MICROBIAL TECHNOLOGY
(2022)
Article
Chemistry, Physical
Vahideh Alizadeh, Barbara Kirchner
Summary: In this study, it was found that cellulose slightly swelled in the chloride-based deep eutectic solvent compared to the acetate-based solvent, possibly due to stronger hydrogen bonding between the chloride anion and hydrogen atoms of cellulose. Moreover, the chloride anion approached the outer glucose units more closely, indicating the beginning of cellulose dissolution.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Guillaume Zante, Christopher E. Elgar, Katherine George, Andrew P. Abbott, Jennifer M. Hartley
Summary: The study explores the properties of concentrated ionic fluids and distinguishes them from concentrated aqueous brines. It demonstrates a continuous relationship between molar conductivity and fluidity, regardless of cation, charge density, or ionic radius. The diffusion coefficients of specific metal chlorides in various ionic fluids show a linear correlation with fluidity. By adjusting chloride and water activity, selective etching of mixed metal waste streams can be achieved.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Shanshan Lan, Yaofen Li, Song Xue, Tao Zhu, Hongyuan Yan
Summary: A DES-mediated strategy was investigated to modify O-HsGY and improve its adsorption and electrochemical performance using ten kinds of DES based on choline chloride. The obtained material showed excellent adsorption performance for thiabendazole and good stability and conductivity in electrochemical testing. The DES-mediated oxidized hydrogen-substituted graphyne has promising prospects in the field of adsorption and electrochemistry.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Jieyu Wu, Tianxiang Yin
Summary: Deep eutectic solvents (DESs) are a new type of green solvent with great potential for application in various fields. A new type of drug delivery system, therapeutic deep eutectic solvent (THEDES), was developed by combining active pharmaceutical ingredients (APIs) into DES. This study investigated the physicochemical properties and bioactivities of a series of new THEDES based on matrine (API) and fatty acids.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Materials Science, Multidisciplinary
Xuping Wang, Pengfei Zhou, Xiaojing Lv, Yongjia Liang
Summary: The use of natural deep eutectic solvents for the solution processing of chitin/chitosan has shown promising potential in dealing with insoluble biopolymers. NADESs composed of choline chloride-lactic acid demonstrated the best solubility of chitin/chitosan, with the degree of deacetylation playing a key role. Hydrogen-bonding interactions between chitin and NADESs were identified as the reason for the improved solubility of chitin in ChLa, highlighting the potential of NADESs in environmentally-friendly chitin-based industrial processes and products.
MATERIALS TODAY COMMUNICATIONS
(2021)
Article
Chemistry, Physical
J. T. M. Amphlett, Sungyeol Choi
Summary: The study shows that balancing changes in metal speciation is crucial when adding water to deep eutectic solvents to lower viscosity in metal recovery processes.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Multidisciplinary
Matthias Uhl, Tanja Geng, Philipp A. Schuster, Benjamin W. Schick, Matthias Kruck, Alexander Fuoss, Alexander J. C. Kuehne, Timo Jacob
Summary: By replacing the electrolyte with a deep eutectic solvent and using a polymer as the electrode, an all-organic battery can be achieved. The combination of different solvents and salt concentrations affects the stability and viscosity of the battery. The eutectic mixture with a 1:6 ratio offers the best balance between stability and viscosity.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Agricultural Engineering
Luan Yang, Tianran Zheng, Lvye Yang, Jingqiu Li, Jianfeng Yao
Summary: Using agricultural wastes as raw materials, a green and economical process was developed to manufacture high value-added materials. Lignocellulose-based hydrogels (LCHs) were successfully prepared from corncob pretreated with deep eutectic solvents (DESs) and a ZnCl2/CaCl2 solvent system. The presence of lignin improved the mechanical properties of the hydrogel. The hydrogel made from corncob pretreated at 120 degrees C exhibited the best tensile and compressive stress. It also showed great potential as a capacitor with high energy density.
BIOMASS & BIOENERGY
(2023)
Article
Chemistry, Physical
Gharib Qadr, M. I. Awad, Khozan Haji, Jamil Abdulla Jumaa, Hassan H. Abdallah
Summary: The electrodeposition of nickel in a eutectic-based ionic liquid containing different concentrations of copper ions was studied. The electrolyte solution was characterized, and the electrodeposition process was analyzed. The deposited nickel was tested for hardness and analyzed using various X-ray techniques. It was found that the presence of copper ions in the ionic liquid improved the surface quality and morphology of the nickel deposit.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Materials Science, Multidisciplinary
Komal C. Shrivastava, Ashok K. Pandey, Sankararao Chappa, Amit P. Srivastava, Debasis Sen, A. K. Sahu
Summary: Palladium nanostructures are commonly used for catalyzing reactions. This study focuses on addressing the issues associated with their use by encapsulating them in silica nanotubes. Various techniques were used to characterize the Pd-loaded silica nanotubes.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Chemistry, Physical
Bidyadhar Das, Madhusmita Sahoo, Abhilash Patra, Ashok K. Yadav, S. N. Jha, Prasanjit Samal, Kartik Senapati, Pratap K. Sahoo
Summary: This study explores the feasibility of using X-ray Absorption Spectroscopy (XAS) to track changes in the local bonding environment in NiBi3 and NiBi systems. The decomposition of NiBi3 into NiO and Bi during thermal annealing was successfully tracked through changes in structural and magnetization behavior, which correlated well with the findings from XAS. The study also revealed that NiO becomes the dominant phase at 500 degrees C annealing temperature, as confirmed by magnetic hysteresis measurements and XAS.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2022)
Article
Engineering, Chemical
A. Boda, P. Sahu, A. K. Singha Deb, Sk M. Ali
Summary: Di-benzo-18-crown-6 ether (DB18C6) functionalized polymethyl acrylic acid (PMA) resin was synthesized for the enrichment of gadolinium isotopes. Batch adsorption and column chromatography studies confirmed the efficacy of the resin and the adsorption process being entropy-driven. Experimental results were consistent with theoretical findings, and the separation coefficients for different isotopic pairs were determined.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Umesh P. Gawai, Shilpa D. Kamble, Sanjay K. Gurav, Manvendra N. Singh, Ashok K. Yadav, Shambhu N. Jha, Niranjan P. Lalla, Milind R. Bodke, Mahendra D. Shirsat, Babasaheb N. Dole
Summary: In this study, nanosheets of NiO and β-Ni(OH)(2)/Co3O4, as well as nanorods of Co3O4, were successfully synthesized on a large scale using microwave-assisted chemical coprecipitation method under low temperature and atmospheric pressure. The electronic and atomic structural properties of the samples were characterized using X-ray absorption spectroscopy (XAS), synchrotron X-ray diffraction (SXRD), Raman spectroscopy, FTIR, transmission electron microscopy (TEM), and UV-visible spectroscopy.
Article
Chemistry, Physical
Kavitha Jayachandran, Ruma Gupta, Santosh K. Gupta
Summary: This study explores the electrochemical and photophysical properties of europium nitrate in an acidic deep eutectic solvent. The results show the formation of hydrogen bonding, quasi-reversible reduction of Eu(III) to Eu(II), increasing diffusion coefficient with temperature, and distorted local symmetry of europium ion. Although the internal quantum efficiency of europium ion in the solvent is low, it exhibits multi-wavelength excitability and higher color purity.
JOURNAL OF MOLECULAR STRUCTURE
(2022)
Article
Chemistry, Multidisciplinary
Pooja Sahu, Sk. Musharaf Ali
Summary: Extensive molecular dynamics simulations were performed to reveal the improvements in short- and intermediate-range orders in glasses doped with TiO2. The effect of microscopic structural modification on macroscopic properties, such as mechanical strength, thermal stability, vibrational characteristics, and chemical durability, was analyzed.
Article
Chemistry, Multidisciplinary
Prakash B. Rathod, K. S. Ajish Kumar, Mahendra Pratap Singh, Anjali A. Athawale, Ashok K. Pandey
Summary: The polymeric network grafted on magnetite nanoparticles has shown potential as an alternative nanoplatform for loading Pd(II) catalyst due to its better catalytic activity, higher turnover frequency, and improved recyclability.
Article
Chemistry, Multidisciplinary
Bidyadhar Das, Tapas Ranjan Senapati, Ashok Kumar Yadav, G. R. Umapathy, Sambhu Nath Jha, Kartik Senapati, Pratap Kumar Sahoo
Summary: This article explores the dynamics involved in the formation of NiBi3 thin films using the codeposition method. By studying films grown at different evaporation rates of Bi, it is found that almost stoichiometric NiBi3 is formed only at the top surface, while a nonlinear stoichiometric variation occurs toward the substrate. The bonding environment around Ni, studied by X-ray absorption spectroscopy, agrees with the findings of RBS. The observed superconducting transition and magnetic coercivity are consistent with the ratio of Ni and Bi.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Physics, Applied
P. Manna, S. Kanthal, Md. A. Ahmed, A. Banerjee, S. Adhikary, S. Kanungo, A. K. Yadav, S. N. Jha, D. Bhattacharyya, S. Bandyopadhyay
Summary: The effects of Co doping on the structural and magnetic properties of a rare earth based synthetic analog of mineral francisite have been investigated. Density functional theory calculations show that the studied compounds have strong antiferromagnetic nature. Co-doping at the Cu2+ site confirms incorporation of Co2+ with similar local environment. The observed meta-magnetic and spin reorientation transitions are explained by considering magnetic exchange interactions and competition among different intra-layer exchange interactions.
JOURNAL OF APPLIED PHYSICS
(2023)
Article
Materials Science, Coatings & Films
Petros Abi Younes, Ashok-Kumar Yadav, Medet Zhukush, Van-Hoan Le, Herve Roussel, Marie-Ingrid Richard, Clement Camp, Kai Szeto, Gianluca Ciatto, Nathanaelle Schneider, Elsje Alessandra Quadrelli, Hubert Renevier, Nicolas Gauthier
Summary: Amorphous organic-inorganic hybrid thin films (Ti-thiolate) on thermal SiO2 substrate are converted into textured titanium disulfide (TiS2) ultrathin films through annealing under Ar/H-2 atmosphere. Two annealing strategies were investigated to control the mineralization process. The stoichiometry and crystallinity of the films were characterized by various techniques.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
(2023)
Review
Engineering, Environmental
Chhavi Agarwal, Ashok K. Pandey
Summary: The use of inorganic acids in various industrial processes poses threats to the environment and needs to be addressed. Recovering and recycling inorganic acids from acidic waste solutions using greener solvent-based chemical processes and efficient methods such as membrane technology can help lessen ecological disturbances and resource exploitation.
ENVIRONMENTAL SCIENCE-ADVANCES
(2023)
Article
Engineering, Electrical & Electronic
Sushil M. Patil, Santosh K. Gupta, Dibakar Goswami, Ayan Ghosh, Mohit Tyagi, Bhaskar B. Dhotare, Tapan K. Ghanty, Ruma Gupta
Summary: In this study, a rare-earth-free and environmentally benign liquid luminogen with a high quantum yield was reported for the first time. Its potential as a liquid scintillator was also demonstrated.
ACS APPLIED ELECTRONIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Jadupati Nag, Deepika Rani, Durgesh Singh, R. Venkatesh, Bhawna Sahni, A. K. Yadav, S. N. Jha, D. Bhattacharyya, P. D. Babu, K. G. Suresh, Aftab Alam
Summary: This study reports on the theoretical and experimental investigation of a novel quaternary Heusler system, CoFeVSb, which shows room-temperature spin valve features and potential for thermoelectric applications.
Article
Chemistry, Physical
Mukesh Kumar, Neha Thakur, Ankur Bordoloi, Ashok Kumar Yadav, Shambhunath N. Jha, Dibyendu Bhattacharyya, Debaprasad Mandal, Tharamani C. Nagaiah
Summary: This study reports a high-capacity sulfur-anode for aqueous rechargeable sodium-ion/sulfur batteries. The NiVP/Pi-NCS host structure achieves smooth anchoring-diffusion and conversion of sodium polysulfide. The full cell battery assembled with this anode and Na0.44MnO2 cathode demonstrates excellent capacity retention and energy density.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Engineering, Electrical & Electronic
Santosh Kumar Gupta, Kathi Sudarshan, Ruma Gupta, Brindaban Modak, Amit Kumar, Pampa Modak
Summary: This study investigates the symmetrical changes in perovskite structures and their effects on the photoluminescence of Eu3+. The results show that the Ruddlesden-Popper perovskite structure is more distorted compared to the conventional perovskite structure, resulting in different emission spectra of Eu3+. Moreover, the Ruddlesden-Popper perovskite structure has higher defect and oxygen vacancy concentrations, leading to better charge transfer and capacitance performance.
ACS APPLIED ELECTRONIC MATERIALS
(2022)