Article
Chemistry, Physical
Ramanjeet Kaur, Harsh Kumar, Meenu Singla
Summary: A series of imidazolium-based ionic liquids with varying side alkyl chain length were synthesized and their aggregation behavior in the presence of an amino acid was investigated. The addition of the amino acid was found to reduce the critical micelle concentration of the ionic liquids, and increasing the side chain length increased the surface activity.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Review
Agronomy
Andres Perez-San Martin, Frutos C. Marhuenda-Egea, Maria Angeles Bustamante, Gustavo Curaqueo
Summary: This review critically analyzes and updates the chemical spectroscopy methods for evaluating the transformation of organic matter in composting, and discusses their potential applications in optimizing compost quality for agricultural use.
Article
Environmental Sciences
Oksana Sukhareva, Ruslan Mariychuk, Sergii Sukharev, Svitlana Delegan-Kokaiko, Stanislav Kushtan
Summary: The study aimed to develop an improved method for detecting trace amounts of fluorides in natural waters by utilizing the interaction of fluorides with Al(III) ion associate (IA) and various reagents, leading to enhanced accuracy and sensitivity. The use of VALLME facilitated a fast, simple, and reliable approach to achieve this goal.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Chemistry, Analytical
Adil Elik, Handan Sarac, Hasan Durukan, Ahmet Demirbas, Nail Altunay
Summary: A vortex assisted magnetic ionic liquid based dispersive liquid-liquid microextraction method was developed for the determination and extraction of metribuzin in plant samples using a tetrachloromanganate-based magnetic ionic liquid as the extraction solvent. The optimized method showed low detection limit, good linearity, and was successfully applied for extraction and determination of metribuzin in plant samples.
MICROCHEMICAL JOURNAL
(2022)
Article
Chemistry, Analytical
Svetlana Smirnova, Kristina A. Lyskovtseva, Igor Pletnev
Summary: Tetraalkylammonium based liquid-liquid biphasic systems were utilized for the extraction and spectrophotometric determination of synthetic food dyes. The study examined various factors affecting the extraction process and established optimal conditions, leading to nearly 100% recovery rates and low detection limits for all analytes under study.
MICROCHEMICAL JOURNAL
(2021)
Article
Materials Science, Paper & Wood
Saija Vaisanen, Rubina Ajdary, Michael Altgen, Kaarlo Nieminen, Kavindra K. Kesari, Janne Ruokolainen, Orlando J. Rojas, Tapani Vuorinen
Summary: Cellulose utilization often requires its dissolution in aqueous NaOH, but limitations such as low temperature and concentration are present. The addition of ZnO aids cellulose dissolution and prevents self-aggregation. This study proposed a new structure for cellulose dissolved in aqueous NaOH-ZnO based on Raman spectroscopic studies and TEMPO+-reactivities.
Article
Chemistry, Organic
Nicholas R. Deprez, Dane J. Clausen, Jia-Xuan Yan, Feng Peng, Shaoguang Zhang, Jongrock Kong, Yanguang Bai
Summary: This study presents an effective method for the selective oxidation of pyrrolidines to pyrrolidinones, showing high selectivity and functional group compatibility. It demonstrates the use of an operationally simple ElectraSyn 2.0 and cost-effective stainless-steel electrode for this electrochemical oxidation process.
Article
Biochemistry & Molecular Biology
Laura Giraldo Isaza, Gerard Mortha, Nathalie Marlin, Florian Molton, Carole Duboc
Summary: In this study, the reaction mechanism of ClO2-mediated TEMPO oxidation was investigated using EPR spectroscopy and UV-Vis spectroscopy. The reversibility between TEMPO and its oxidation product, TEMPO+, was observed in the absence of cellulosic substrate, with pH and reagent molar ratios affecting the reaction. The involvement of HOCl and Cl- as byproducts in the oxidation mechanism was also confirmed.
Article
Engineering, Environmental
Tu Pham Le, Pakorn Opaprakasit
Summary: The study developed a halogen-free process using ozone as an environmentally-friendly alternative for the generation of TEMPO+. Quantitative monitoring of the reaction was achieved through iodine titration combined with UV-Vis spectroscopy, indicating a conversion rate of TEMPO reaching 70% under optimized conditions. The results suggest that ozone has high selectivity towards TEMPO oxidation to form TEMPO+ over disproportionation in acid solutions, making it a promising method for selective oxidation of primary alcohols.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Food Science & Technology
Silvia Grassi, Cristina Alamprese
Summary: This study compares different non-targeted spectroscopic techniques for the authentication of white wine vinegar. The spectroscopic techniques (UV-Vis, FT-IR, FT-NIR, and NIR spectroscopy) were tested on adulterated vinegars and authentic products. The results show high correct classification rates for vinegar acidity using UV-Vis, FT-NIR, and FT-IR spectroscopy.
FOOD AND BIOPROCESS TECHNOLOGY
(2023)
Article
Chemistry, Physical
Shalendra Kumar, Faheem Ahmed, Nagih M. Shaalan, Nishat Arshi, Saurabh Dalela, Keun H. Chae
Summary: CeXO2 (X: Fe, Mn) nanoparticles were synthesized and characterized for their structural, morphological, magnetic, and electrochemical properties. XRD, FE-TEM, dc magnetization, Raman analysis, and NEXAFS analysis confirmed the successful incorporation of Fe and Mn in CeO2 matrix and the formation of FCC fluorite structure. The Fe-doped CeO2 showed the lowest band gap and enhanced room temperature ferromagnetism. Ce0.95Fe0.05O2 electrode exhibited excellent electrochemical performance for energy storage devices.
Article
Chemistry, Physical
Meng Sun, Zhenning Yan, Wenwen Chu
Summary: The molecular interactions between the active pharmaceutical ingredient ionic liquid domiphen salicylate ([Dom][Sal]) and some amino acids in aqueous solution were studied. The properties of the amino acids in the solution were determined, and the effects of temperature, concentration, and the length of the amino acid chain on these properties were discussed.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Marek Pribus, Simon Budzak, Lenka Pribusova Slusna, Timea Simonova Baranyaiova, L'ubos Jankovic, Robert Meszaros, Juraj Bujdak
Summary: This study reports the luminescence properties of Reichardt's dye in colloidal systems of layered silicate saponite modified with polycations, and provides a theoretical interpretation of this phenomenon. The results suggest that this dye can be used as a luminescent probe to characterize the charge distribution on various material surfaces.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Materials Science, Multidisciplinary
Mariya v Tesakova, Alexey N. Kiselev, Vladimir I. Parfenyuk
Summary: In this study, the electrochemical method was used to prepare linear and 3D polyporphyrins based on different substituents. The structure of the polyporphyrins was determined through experimental data, and it was found that the branched cross-linked polyporphyrin obtained on conductive substrates had higher efficiency in electron conduction.
Article
Spectroscopy
Simona Klempova, Michal Oravec, Katarina Vizarova
Summary: This study experimentally examines the stability of plasticized poly (vinyl chloride) (PVC-P) under indoor conditions using spectroscopic methods such as UV-Vis, ATR-FTIR, and Raman spectroscopy. The results expand the knowledge on PVC-P stability and demonstrate the benefits of using non-destructive spectroscopic methods to monitor changes in its characteristic properties induced by aging.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Chemistry, Physical
C. B. Sun, M. W. Guo, S. S. Siwal, Q. B. Zhang
JOURNAL OF CATALYSIS
(2020)
Review
Polymer Science
Samarjeet Singh Siwal, Qibo Zhang, Nishu Devi, Vijay Kumar Thakur
Article
Chemistry, Multidisciplinary
Samarjeet Singh Siwal, Qibo Zhang, Changbin Sun, Vijay Kumar Thakur
Article
Chemistry, Physical
Hao Lei, Samarjeet Singh Siwal, Xiaoying Zhang, Qibo Zhang
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2020)
Article
Chemistry, Multidisciplinary
Chuang Yang, Tianwei He, Weizhong Zhou, Rongrong Deng, Qibo Zhang
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Correction
Chemistry, Multidisciplinary
Chuang Yang, Tianwei He, Weizhong Zhou, Rongrong Deng, Qibo Zhang
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Review
Chemistry, Applied
Samarjeet Singh Siwal, Wenqiang Yang, Qibo Zhang
JOURNAL OF ENERGY CHEMISTRY
(2020)
Article
Chemistry, Physical
Hao Lei, Qibo Zhang
Summary: Utilizing an in situ electrochemical redox tuning approach, strong metal-support interactions were successfully created, leading to enhanced catalytic activity in a Pd-Co hybrid system. This approach resulted in structural transition from nanoparticles to nanosheets, improving atomic/electronic structure and increasing surface area for more exposed electroactive sites, ultimately showing superior catalytic performance and stability compared to commercial catalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Mengwei Guo, Zhuoming Wei, Qibo Zhang
Summary: This study presents an integrated S-doped MnOx/Mn film developed on carbon paper as an efficient electrocatalyst for oxygen evolution reaction (OER). The S doping and in-situ electro-oxidation process enhance the catalytic performance by tailoring the electronic structure and phase composition of the electrode. The optimal S-doped MnOx/Mn/CP exhibits low overpotential, high stability, and significantly improved catalytic activity compared to MnOx/Mn/CP.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Review
Chemistry, Multidisciplinary
Samarjeet Singh Siwal, Harjot Kaur, Rongrong Deng, Qibo Zhang
Summary: Reactions on anode and cathode are crucial for efficient electrical energy within the electrocatalysis conversion operation. Electrocatalytic anodic oxidation followed by cathodic reduction can enhance the recovery of energy acquisition and valuable substances are produced on both electrodes. Recycling metals from waste resources significantly mitigate several environmental issues.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2023)
Article
Chemistry, Physical
Zhuoming Wei, Mengwei Guo, Qibo Zhang
Summary: In this study, an optimized-electrodeposition set-up in a deep eutectic solvent was proposed for the electrochemical preparation of NiFe-based catalysts. The results showed that the synthesized NiFe-based catalysts exhibited outstanding water splitting performance in industrial conditions, and a simulated industrial device loaded with these catalysts worked efficiently.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Rongrong Deng, Xiuhu Li, Miao Wang, Qibo Zhang
Summary: The rational construction of the special interfacial structure is identified as one of the most efficient strategies to enhance the performance of water electrolysis catalysts. In this study, cobalt phosphorus nanosheet arrays mediated by saccharin grown on copper foam (Co-P(SA)/CF) were prepared via a facile one-step electrodeposition approach from a deep eutectic solvent (DES) known as Ethaline. Introducing saccharin increased the phosphorus content in the deposited Co-P composites, optimized the electronic structure, and created a superaerophobic surface to accelerate the hydrogen evolution reaction (HER).
APPLIED SURFACE SCIENCE
(2023)
Review
Chemistry, Physical
Chaowu Wang, Rongrong Deng, Mengwei Guo, Qibo Zhang
Summary: This review presents the recent progress of Co3O4-based electrocatalytic materials for acidic OER, with guidelines for design principles from experimental and theoretical perspectives. Strategies to improve the catalytic performance of Co3O4-based acidic OER catalysts are outlined, and challenges and future directions in developing high-performance Co3O4-based electrocatalysts for OER in acid are proposed.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Mengwei Guo, Bo Zhang, Qibo Zhang
Summary: In this study, sulfur-doped manganese pre-catalysts were prepared via electrodeposition method and supported by carbon paper. The effect of different anions on the structure and oxygen evolution reaction (OER) activity of the catalysts was analyzed. The results showed that sulfur and water induce the formation of manganese oxide/hydroxide during the electroreduction process, promoting the OER activity. This study provides insights into the structure-activity evolution of manganese-based pre-catalysts during electrodeposition and OER catalytic process.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
J. R. Zeng, L. Chen, S. S. Siwal, Q. B. Zhang
SUSTAINABLE ENERGY & FUELS
(2019)
Article
Electrochemistry
Abdul Qayoom Mugheri, Shaista Khan, Ali Asghar Sangah, Aijaz Ahmed Bhutto, Muhammad Younis Laghari, Nadeem Ahmed Mugheri, Asif Ali Jamali, Arsalan Ahmed Mugheri, Nagji Sodho, Abdul Waheed Mastoi, Aftab Kandhro
Summary: Green hydrogen has the potential to transition to a pollution-free energy infrastructure. This study proposes a solution to produce hydrogen during the photoelectrochemical process, offering greater stability and control over chemical reactions. Techno-economic assessments show the efficiency and economic feasibility of co-producing value-added chemicals to enhance green hydrogen production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Danpeng Cheng, Wuxin Sha, Qigao Han, Shun Tang, Jun Zhong, Jinqiao Du, Jie Tian, Yuan-Cheng Cao
Summary: LiNixCoyMn1-x-yO2 (NCM) is a critical cathode material for lithium-ion batteries in electric vehicles. The aging of cathode/electrolyte interfaces leads to capacity degradation and long-term cycle instability. A novel neural network model called ACGNet is developed to predict electrochemical stability windows of crystals, allowing for high-throughput screening of coating materials. LiPO3 is identified as a promising coating material with high oxidation voltage and low cost, which significantly improves the cycle stability of NCM batteries. This study demonstrates the accuracy and potential of machine learning in battery materials.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
P. Mohana, R. Yuvakkumar, G. Ravi, S. Arunmetha
Summary: This study successfully fabricates a non-noble CuO/NiO/rGO nanocomposite and investigates its electrocatalytic performance for oxygen evolution reaction in alkaline environment. The experimental results demonstrate that the electrocatalyst exhibits high activity and good stability, offering a new synthetic approach for sustainable energy production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Qiong Qu, Jing Guo, Hongyu Wang, Kai Zhang, Jingde Li
Summary: In this study, a bifunctional electrode host design consisting of carbon nanofibers implanted ordered porous Co-decorated Al2O3 supported on carbon nanotube film (CNTF) was proposed to address the shuttling effect of lithium polysulfides (LiPSs) and dendrite formation of metal lithium anode in lithium-sulfur (Li-S) batteries. The electrode exhibited excellent conductivity, efficient confinement of LiPSs, and catalytic conversion performance, resulting in high initial capacity and good capacity retention during cycling. As an anode, the electrode showed excellent Li+ diffusion performance and uniform lithium growth behavior, achieving a dendrite-free lithium electrode. The flexible pack cell assembled from these electrodes delivered a specific capacity of 972 mAh g(-1) with good capacity retention.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Hong Zhang, Jin-Peng Yu, Chen Chen, Cheng-Yong Shu, Guang-Yu Xu, Jie Ren, Kai Cui, Wen-Fang Cai, Yun-Hai Wang, Kun Guo
Summary: Spray coating of acetylene black nanoparticles onto stainless steel mesh can enhance its biofilm formation ability and current density, making it a promising electrode material for microbial electrochemical systems. The spray coating method is simple, cost-effective, and suitable for large-size stainless steel electrodes.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Binpeng Hou, Jingjin Chen, Li-Hong Zhang, Xiaowen Shi, Zizhong Zhu
Summary: The electrochemical performance of Li1.20Mn0.44Ni0.32Co0.04O2 and its oxygen-deficient phase Li1.20Mn0.44Ni0.32Co0.04O1.83 was studied through first-principles calculations. The results show that the oxygen-deficient phase has a higher theoretical capacity but lower voltage platform and higher chemical activity compared to the pristine phase.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Yating Du, Sayoko Shironita, Daisuke Asakura, Eiji Hosono, Yoshitsugu Sone, Yugo Miseki, Eiichi Kobayashi, Minoru Umeda
Summary: This study investigates the effect of high- and low-temperature environments on the charge-discharge performance of a Li-ion battery. The deterioration mechanisms of the battery at different temperatures are analyzed through various characterization techniques. The results indicate that the battery performance deteriorates more significantly at a low-temperature environment of 5 degrees C compared to higher temperatures. The understanding of the deterioration mechanisms can contribute to the development of safer battery usage methods.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Si-Si Shi, Zhi-Xiang Yuan, Fei Zhang, Ping Chen
Summary: In this study, a new nano-electrocatalyst was prepared, which exhibited superior electrocatalytic activity for the reduction of NO2- to ammonia in a neutral electrolyte, potentially due to the synergistic enhancement between Co3O4-x and Co.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Berna Dalkiran, Havva Bekirog
Summary: This study reports the use of deep eutectic solvents (DES) based on ethylene glycol and urea as low-cost and green electrolytes for enhancing electrochemical detection of natural antioxidants. The study successfully developed a disposable and effective electrochemical sensing platform for simultaneous determination of ascorbic acid (AA) and gallic acid (GA) using NaOH nanorods on a pencil graphite electrode. The proposed electrode showed improved analytical performance, with higher peak currents and shifted oxidation potentials in DES compared to BR buffer medium.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Sijun Ren, Jianguo Huang
Summary: In this study, a novel bio-inspired nanofibrous WO3/carbon composite was synthesized using a facile hydrothermal method. The three-dimensional network structure of the composite alleviated the volume expansion of WO3 nanorods and enhanced the charge-transport kinetics. The optimized composite exhibited superior lithium storage properties.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Zhilong Zheng, Yu Chen, Hongxia Yin, Hengbo Xiao, Xiangji Zhou, Zhiwen Li, Ximin Li, Jin Chen, Songliu Yuan, Junjie Guo, Haibin Yu, Zhen Zhang, Lihua Qian
Summary: This study found that interstitial Zn cations in CoMoO4 can modulate the dissolution kinetics of Mo cations and improve the OER performance. The interstitial Zn cations can prevent the dissolution of Co cations at high potential, enhancing the durability of the catalyst.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Xiaobo Lin, Shern R. Tee, Debra J. Searles, Peter T. Cummings
Summary: Molecular dynamics simulations using the constant potential method were used to investigate the charging dynamics and charge storage of supercapacitors. The simulations revealed that the water-in-salt electrolyte exhibited the highest charge storage and significantly higher capacitance on the negative electrode. The varying contributions of different electrode regions to supercapacitor performance were also demonstrated.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Wiktoria Lipinska, Vita Saska, Katarzyna Siuzdak, Jakub Karczewski, Karol Zaleski, Emerson Coy, Anne de Poulpiquet, Ievgen Mazurenko, Elisabeth Lojou
Summary: The spatial distribution of enzymes on electrodes is important for bioelectrocatalysis. In this study, controlled spatial distribution of gold nanoparticles on Ti nanodimples was achieved. The efficiency of enzymatic O2 reduction was found to be influenced by the size of the gold nanoparticles and their colocalization with TiO2. The highest stability of enzymatic current was observed with the largest gold nanoparticles.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Tariq M. Al-Hejri, Zeenat A. Shaikh, Ahmed H. Al-Naggar, Siddheshwar D. Raut, Tabassum Siddiqui, Hamdan M. Danamah, Vijaykumar V. Jadhav, Abdullah M. Al-Enizi, Rajaram S. Mane
Summary: This study explores a promising self-growth approach for the synthesis of nickel hydroxide (Ni(OH)2) nanosponge-balls on the surface of a nickel-foam (NiF) electrode. The modified NiF electrode, named Ni(OH)2@NiF, shows distinctive nanosponge-ball morphology and demonstrates excellent energy storage capability and electrocatalytic performance in both hydrogen and oxygen evolution reactions.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Oihane Sanz, Maria Forsyth, Nerea Casado
Summary: The use of Lithium-Ion Batteries (LIBs) is becoming increasingly extensive, and it is important to optimize the devices to achieve their maximum practical specific capacity. In this study, mixed ionic-electronic conducting (MIEC) binders based on PEDOT:PSS and PEDOT: PDADMA-TFSI were developed for Li-ion cathodes, and their performance was compared with conventional formulations. The influence of electrode formulations, including the addition of conducting carbon and an Organic Ionic Plastic Cristal (OIPC), was also analyzed. The proposed binders showed improved performance compared to conventional formulations with different electrolyte types and active materials.
ELECTROCHIMICA ACTA
(2024)
