Article
Chemistry, Physical
Amir Hossein Jafari Mofidabadi, Ghasem Bahlakeh, Bahram Ramezanzadeh
Summary: Optimizing the formation parameters for europium oxide film on steel surface can enhance corrosion resistance and decrease corrosion current density.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Chemistry, Analytical
Eugene B. Caldona, Min Zhang, Guangchao Liang, T. Keith Hollis, Charles Edwin Webster, Dennis W. Smith, David O. Wipf
Summary: This study demonstrated the inhibition effect of triazole- and imidazole-based compounds on the corrosion of mild steel in 1.0 M HCl solution through electrochemical measurements. Among these compounds, the triazole-based compound exhibited the highest inhibitive performance at a concentration of 850 μM, showing an efficiency of over 90%. The results were supported by microscopy analyses and x-ray diffraction, confirming the protective inhibitor layer formation on the metal surface.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Baluchamy Tamilselvi, Durvas Seshian Bhuvaneshwari, Sethuramasamy Padmavathy, Pandian Bothi Raja
Summary: Pichia sp. isolated from rotten gooseberry was studied for its corrosion inhibition properties using biofilm formation. The results showed that Pichia sp. has good inhibitory effects on mild steel corrosion in 1 M H2SO4, forming a stable biofilm and reducing corrosion reaction through physical adsorption.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Engineering, Chemical
Mihaela Birdeanu, Camelia Epuran, Ion Fratilescu, Eugenia Fagadar-Cosma
Summary: Covering steel surfaces with suitable materials for corrosion protection is a challenge due to the high utility and recyclability of steel. This study presents the development of new sandwich-type materials to improve corrosion inhibition of steel, with the best efficiency achieved through layers of specific porphyrin compounds. Morphological investigations and electrochemical techniques were utilized to analyze the corrosion inhibition mechanism and efficiency of the materials.
Article
Engineering, Chemical
Aysen Kelesoglu, Gokmen Sigircik, Resit Yildiz, Ilyas Dehri
Summary: Pyrazinecarboxylic acid (PCA) has been identified as a potential corrosion inhibitor for mild steel in 0.5 M HCl environment, showing a high inhibition efficiency of 95.2%. Experimental and theoretical calculations revealed the formation of an adsorptive layer on the steel surface by PCA, leading to a significant corrosion inhibition effect.
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
(2021)
Article
Environmental Sciences
Victoria Vorobyova, Margarita Skiba
Summary: This paper investigates tomato pomace extract as a multifunctional green vapor phase corrosion inhibitor for mild steel in both atmospheric and neutral media. The chemical profile of the extract is analyzed, and the corrosion protection properties are studied using various methods. The study contributes to the understanding of the mechanism of action of green corrosion inhibitors.
WASTE AND BIOMASS VALORIZATION
(2022)
Article
Materials Science, Multidisciplinary
Shuai Ren, Xi Wang, David Young, Maalek Mohamed -Said, Bernardo Santos, Yi He, Marc Singer
Summary: A thick cementite skeleton exposed on a ferritic-pearlitic C1018 steel surface significantly reduced inhibition efficiency after pre-corrosion, while this effect was insignificant for a lower carbon X65 steel with dispersed cementite microstructure, as only a small amount of cementite remained on its surface after pre-corrosion. Normalizing the increased cathodic area in the presence of residual cementite back to the original area inhibited both anodic and cathodic reactions to the same extent as on bare steel with a sufficient inhibitor concentration. However, the detrimental effect of cementite cannot be completely eliminated due to its galvanic coupling effect.
Article
Chemistry, Multidisciplinary
Anil Kumar, Chandan Das
Summary: Metal corrosion has become a growing concern in local and industrial scales recently, affecting conventional production. The development of a novel and ecofriendly corrosion inhibitor using chayote fruit extract shows high efficiency, environmental friendliness, and economic benefits. The chayote extract adsorbs onto the metal surface, forming a protective layer that effectively inhibits corrosion.
SUSTAINABLE CHEMISTRY AND PHARMACY
(2023)
Article
Chemistry, Physical
Rajni Narang, Priya Vashishth, Himanshi Bairagi, Sudhish K. Shukla, Bindu Mangla
Summary: The corrosive degradation of mild steel in 0.5 M sulphuric acid was inhibited by ethambutol hydrochloride drug and found to be effective. The inhibitive action increased with higher drug concentration but decreased with escalating temperature. The drug showed its maximum inhibition efficiency at 1000 ppm and 313 K. The adsorption of the drug on the metal surface followed Langmuir adsorption isotherm and EIS analysis confirmed its presence.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Physical
Walid Daoudi, Abdelmalik El Aatiaoui, Noureddine Falil, Mohamed Azzouzi, Avni Berisha, Lukman O. Olasunkanmi, Omar Dagdag, Eno E. Ebenso, Mohammed Koudad, Abdelouahad Aouinti, Mohamed Loutou, Adyl Oussaid
Summary: In this study, an essential oil extracted from Dysphania Ambrosioides leaves was tested as an environmentally friendly corrosion inhibitor for mild steel in 1 M HCl medium. The results showed that the extract achieved a corrosion inhibition efficiency of 84% at a concentration of 1.5 g/l. Surface analysis revealed a smoother surface with reduced roughness in the presence of the inhibitor. Theoretical investigations provided insights into the adsorption sites of the molecules from the extract on the steel surface.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Priya Kesari, G. Udayabhanu, Arpita Roy, Sagar Pal
Summary: Green biopolymeric materials and their hybrid nanocomposites were investigated for corrosion prevention of mild steel in 15% HCl. The results showed that the SA-g-PMMA/TiO2 exhibited the highest inhibition efficiency of 97.28%, followed by SA-g-PMMA/Fe3O4 with 96.82% efficiency, while unmodified sodium alginate only showed 84.74% efficiency. The inhibition efficiency decreased with increasing temperature, and the inhibitors followed Langmuir adsorption isotherm. The nanocomposites formed a better protective adsorption layer on the exposed metallic surface compared to sodium alginate alone, as observed from FE-SEM and AFM analysis. The elemental composition of the adsorbed film was determined using XPS technique. Density Functional Theory (DFT) results supported the experimental outcomes.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Jiaxin Wen, Xin Zhang, Jinlong Chen, Ting Liu, Yi Zhou, Lingjie Li
Summary: In this study, a corrosion inhibitor called PHET was synthesized and its inhibitive effect on mild steel in acidic solution was investigated. The optimal concentration of PHET in 1.0 M HCl solution was found to be 400 mg/L, with an inhibitive efficiency of 93%. PHET adsorbed on the surface of mild steel by forming complexes with ferrous ions, forming a protective film and exhibiting excellent corrosion inhibition performance.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2022)
Article
Chemistry, Physical
D. Thirumoolan, K. Anver Basha, S. P. Sakthinathan, T. Siva
Summary: The copolymer of benzoylphenyl methacrylate and methoxyethyl methacrylate was synthesized and its thermal stability and corrosion protection efficiency on mild steel were investigated. The electrochemical results confirmed the good protective effect of the copolymer coating on the metal surface.
JOURNAL OF MOLECULAR STRUCTURE
(2022)
Article
Metallurgy & Metallurgical Engineering
S. H. Ettefagh Far, M. Glenn, A. Davoodi, A. Rahimi
Summary: In this study, the corrosion inhibitory effect of dehydroabietylamine (DHAA) on mild steel in 1 M HCl was analyzed using potentiodynamic polarization technique. The concentration and temperature effects of the inhibitor were also investigated. The results showed that the efficiency of inhibition increased with increasing inhibitor concentration but decreased with increasing temperature. The surface of the mild steel was studied using atomic force microscopy (AFM) and energy-dispersive X-ray spectroscopy (EDX) techniques both before and after exposure to 1 M HCl with and without the inhibitor.
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES
(2022)
Article
Chemistry, Physical
Bilan Lin, Junjie Shao, Chen Zhao, Xinxin Zhou, Fan He, Yuye Xu
Summary: Passiflora edulis Sims peel extract (PESPE) was investigated as a green corrosion inhibitor for mild steel in 1 mol/L H3PO4 solution. PESPE acts as a mixed inhibitor and retards the corrosion of mild steel by geometric coverage effect. The monolayer adsorption film formed by PESPE improves order on the steel surface.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Organic
Neha Choudhary, Shaikh M. Mobin
Summary: A bimetallic CuNi-12 nanocatalyst was synthesized and used for the efficient and selective hydrogenation of biomass-derived aldehydes and ketones. The synergistic effect between copper and nickel enhanced the catalytic activity and selectivity. The CuNi-12 nanocatalyst showed high conversion and selectivity for various aldehydes and ketones, and it was also reusable, magnetically separable, and recyclable.
ASIAN JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Zahir Abbas, Nissar Hussain, Imtiaz Ahmed, Shaikh M. Mobin
Summary: In this study, a Cu-metal organic framework (MOF) was designed, synthesized, and utilized as a precursor source for MOF-derived multilevel hierarchy (Cu/Cu x O@NC). The synthesized material showed high durability, chemical stability, and efficient electrochemical performance, making it suitable for energy storage and conversion systems such as supercapacitors and oxygen evolution reaction (OER). This work provides new insights into the design and preparation of multilevel hierarchies with a single precursor source, enabling multifunctional applications in energy storage.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Rakesh Deka, Richa Rajak, Viresh Kumar, Shaikh M. Mobin
Summary: A cadmium-based metal-organic framework (CdMOF) with a cuboid-shaped morphology was synthesized at ambient temperature. The CdMOF exhibited electroactivity and a specific capacitance of 647 F g-1 at 4 A g-1 with a retention of approximately 78% over 10,000 successive cycles without any binder. By exploring different electrolytes, NaOH showed a higher capacitive response due to its combined effect of ionic and hydrated ionic radii. An asymmetric supercapacitor (ASC) device was fabricated using CdMOF as the positive electrode and activated carbon (AC) as the negative electrode, which successfully powered a LED bulb.
INORGANIC CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Pawan Kumar, Navpreet Kaur, Pranav Tiwari, Anoop Kumar Gupta, Shaikh M. Mobin
Summary: The development of nontoxic, hemocompatible materials for controlled insulin delivery is a challenging task. A novel linker named H4L and a new Cu-MOF (IITI-3) were designed and synthesized. The IITI-3 exhibited high stability in biological fluid and was explored for insulin delivery by coating it with gelatin (gel@insIITI-3). The findings open up a new avenue for oral insulin delivery using the IITI-3 metal-organic framework.
ACS MATERIALS LETTERS
(2023)
Article
Chemistry, Inorganic & Nuclear
Nissar Hussain, Zahir Abbas, Shagufi Naz Ansari, Gotluru Kedarnath, Shaikh M. Mobin
Summary: A new three-dimensional Cu-MOF material was designed and constructed using a solvent diffusion method at ambient temperature, and a Cu(3)P/Cu@NC heterostructure derived from phosphorization of Cu-MOF was prepared using a low-temperature method. The Cu(3)P/Cu@NC heterostructure electrode exhibited outstanding electrochemical performance, making it suitable for supercapacitor applications.
INORGANIC CHEMISTRY
(2023)
Article
Energy & Fuels
Neha Choudhary, Nissar Hussain, Shaikh M. Mobin
Summary: Bimetallic CoNi nanoflowers with face-centered cubic structure and flower-like morphology were synthesized. LiOH exhibited excellent capacitance and cyclic stability in supercapacitor applications. An asymmetric device with rapid charge/discharge capability and high energy density was fabricated using the nanoflowers.
Article
Nanoscience & Nanotechnology
Navpreet Kaur, Pranav Tiwari, Pawan Kumar, Mainak Biswas, Avinash Sonawane, Shaikh M. Mobin
Summary: The synthesis of smart hybrid material for diagnosis and treatment in nanomedicine is crucial. A simple method to synthesize blue-emissive nitrogen-doped carbon dots N@PEGCDs with enhanced biocompatibility and high fluorescence is presented. These N@PEGCDs are used as a drug carrier for 5-fluorouracil (5-FU) with more release at acidic pH. The mode of action of drug-loaded CD (5FU-N@PEGCDs) has been explored, showing less toxicity to normal cells compared to cancer cells.
ACS APPLIED BIO MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Shagufi Naz Ansari, Mohit Saraf, Zahir Abbas, Shaikh M. Mobin
Summary: MXenes are two-dimensional materials with high conductivity, redox activity, and compositional diversity and have shown great potential in energy storage applications. However, their energy storage capability is limited by a narrow electrochemically stable potential window. Transition metal oxides (TMOs) have high redox activity but suffer from poor cyclability and rate performance. Combining MXenes with TMOs can enhance the charge storage capacity of MXenes while improving the cyclability and rate performance of oxides, making MXene/TMO heterostructures promising for energy storage.
Article
Chemistry, Inorganic & Nuclear
Rakesh Deka, Diptangshu Datta Mal, Shaikh M. Mobin
Summary: The upcycling of waste into valuable chemicals is an important approach to reduce waste and promote the circular economy. The synthesis of a metal-organic framework material using waste materials has been achieved, utilizing rust for the Fe salt and the benzene dicarboxylic acid linker derived from waste plastic bottles. A sustainable energy storage system has been developed using this material as an active electrode for a supercapacitor, demonstrating promising performance comparable to the one made from commercially available chemicals.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Physical
Rakesh Deka, Shashank Rathi, Shaikh M. Mobin
Summary: Coordination polymers have attracted much interest in energy-related applications due to their adaptable structures and unique photophysical and chemical properties. In this study, a coordination polymer, Co-CP, was synthesized using a mixed ligand strategy and showed excellent supercapacitor properties. The choice of electrolyte cation was found to have a remarkable impact on the electrochemical performance of the device.
Article
Chemistry, Physical
Zahir Abbas, Monunith Anithkumar, Asokan Poorani Sathya Prasanna, Nissar Hussain, Sang-Jae Kim, Shaikh M. Mobin
Summary: Enhancing the output performance of triboelectric nanogenerators (TENGs) can be achieved by designing materials with high triboelectric properties as active fillers. In this study, a Cd-MOF was synthesized as a filler to improve the performance of the TENG device. The Cd-MOF was incorporated with PDMS to construct a MOF/PDMS film and used for TENG study. The MOF-TENG device generated a maximum output power density of 0.124 W m-2 and was used to control mouse movement via finger movements.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Materials Science, Multidisciplinary
Rakesh Deka, Viresh Kumar, Shaikh M. Mobin
Summary: Metal-organic frameworks (MOFs) have great potential as cathodes in supercapacitor applications and as a platform for designing new materials. In this study, a MOF-on-MOF heterostructure, Ni-BTC@ZIF-67, was synthesized and characterized. The material showed impressive specific capacitance and cyclic retention capacity. In addition, an asymmetric supercapacitor was assembled with activated carbon and Ni-BTC@ZIF-67, showing high energy density and cyclic retention rate.
MATERIALS ADVANCES
(2023)
Article
Materials Science, Biomaterials
Pawan Kumar, Ananyaashree Behera, Pranav Tiwari, Sibi Karthik, Mainak Biswas, Avinash Sonawane, Shaikh M. Mobin
Summary: This study synthesized a novel Cu-MOF (IITI-3) and encapsulated it in isoniazid (INH). The results showed significant antimycobacterial activity of INH@IITI-3 and its ability to inhibit biofilm formation in the Mycobacterium tuberculosis (Mtb) bacteria. Additionally, it displayed lower cytotoxicity towards host cells. Therefore, this research opens up new possibilities for the application of INH@IITI-3 in tuberculosis therapeutics.
JOURNAL OF MATERIALS CHEMISTRY B
(2023)
Article
Materials Science, Multidisciplinary
Nirmiti Mate, Divya Khandelwal, Kallayi Nabeela, Shaikh M. Mobin
Summary: A simple one-pot synthesis of N, S and P-doped carbon dots (CDs) derived from C. thevetia flowers (TF-CDs) is reported, which can be used for the sensitive detection of picric acid. A highly porous, thin, and flexible TF-CD@PVDF film strip is fabricated, enabling the selective and trace-level detection of picric acid. The TF-CDs also show potential for sunlight photodegradation of azo dyes.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)