Article
Chemistry, Multidisciplinary
K. Y. Yasoda, S. Kumar, M. S. Kumar, K. Ghosh, S. K. Batabyal
Summary: A high surface area of manganese sulfide (MnS) nanoparticles was demonstrated via a simple solution method. The in-situ polymerization of aniline without HCl was achieved with the help of acidic groups on the graphene oxide surface. The addition of graphene oxide (GO) and polyaniline (PANI) improved the specific capacitance and interfacial interactions in the MnS/GO/PANI nanocomposite, making it a promising choice for high-performance supercapacitor applications.
MATERIALS TODAY CHEMISTRY
(2021)
Article
Biotechnology & Applied Microbiology
Lansheng Zhang, Paul C. Uzoma, Xiaoyang Chu, Oleksiy V. Penkov, Huan Hu
Summary: A scalable and cost-effective fabrication approach for constructing bio-inspired micro/nanostructured surfaces is reported. The method involves silicon microstructure etching, nanowires deposition, and fluorocarbon thin film deposition, resulting in hierarchical micro/nanostructured surfaces with excellent anti-icing properties and promising applications.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Chemistry, Physical
Yalei Wang, Jun Song, Wai-Yeung Wong
Summary: PANI/MXene hydrogels with a three-dimensional network structure of interconnected MXene nanosheets and PANI chains through hydrogen bond interactions are synthesized, greatly improving the electrochemical reactivity and stability. The hydrogels exhibit outstanding performance in high-rate and long-term cycling tests.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Analytical
Mohammad Hassan Motaghedifard, Seied Mahdi Pourmortazavi, Mahdieh Alibolandi, Somayeh Mirsadeghi
Summary: A new electrochemical sensor utilizing noble bimetal nanoparticles for the reduction of nitrate ion was reported. The sensor was designed for nitrate ion measurement at the surface of a modified pencil graphite electrode. The synthesized hybrid nanocomposites showed efficient performance in quantifying nitrate ions in wastewater and aqueduct water.
Article
Chemistry, Applied
Parvin Begum, Liu Yang, Tatsuya Morozumi, Teruo Sone, Toshikazu Kawaguchi
Summary: This study aimed to measure pH and degradation of wines that were elec-trochemically analyzed using polyaniline (PANI) sensor. Gas chromatography (GC) and fourier transform infrared spectrometer (FT-IR) were also used. The results showed that acetaldehyde formation accelerated oxidation in wine, shifting peak currents and potentials to negative direction. The formation of acetaldehyde was confirmed by GC and FT-IR spectra.
Article
Energy & Fuels
Nadeem Anwar, Abdul Shakoor, Ghulam Ali, Haseeb Ahmad, Niaz Ahmad Niaz, Seerat- Seerat-Ul-Arooj, Arshad Mahmood
Summary: In this study, high-performance nanoscale supercapacitor electrode materials of polyaniline and polyaniline cadmium oxide composites were fabricated using in-situ chemical polymerization route. The obtained nanocomposites exhibited higher specific capacitance and lower equivalent series resistance, indicating superior electrochemical properties. Therefore, this material shows promising potential as a candidate for practical supercapacitor electrode preparation.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Materials Science, Ceramics
Xiaohu Ren, Xilou Pu, Hongfeng Yin, Yun Tang, Hudie Yuan, Huiqing Fan
Summary: By coating conductive polymer PANI on the surface of hexaferrite, the electromagnetic loss can be greatly enhanced, leading to improved microwave absorption capacity. The PANI@hexaferrite composite exhibited excellent absorption performance at various thicknesses, showing potential for extensive applications as microwave absorbers.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Rosy Rahman, Priyanka Rani, Subhadip Ghosh, Anupam Midya, Amita Pathak, Tapan Kumar Nath
Summary: In this study, a functionalized 1T@2H MoS2 nanomaterial, named PM2, was synthesized by uniform growth of PANI on its surface. The experimental results demonstrate that PM2 exhibits excellent electrochemical and mechanical properties as a supercapacitor electrode material.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Inorganic & Nuclear
Yan Chun Sun, Chun Yu Sun, Zhong Xiang Chen, Peng Wang, Hai Tao Wang, Ming Zhu Yao, Song Wu, Ping Xu
Summary: This study demonstrates the growth and morphology control of Cu and Cu2O using a conducting polymer polyaniline (PANI) membrane as the working electrode. The oxidation state of the copper species electrodeposited on PANI surfaces can be manipulated by changing the copper precursors, leading to the formation of either zero-valent copper or cuprous oxide. This method has potential applications in the synthesis of other materials.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Materials Science, Multidisciplinary
Dinesh J. Ahirrao, Ajay Kumar Pal, Vikalp Singh, Neetu Jha
Summary: Nanostructured porous polyaniline has been successfully synthesized and coated on a flexible and conductive carbon cloth substrate, forming flexible electrodes for supercapacitor devices. The composite exhibited higher specific capacitance and outstanding cyclic stability compared to pure polyaniline, attributed to the synergistic effect between polyaniline and carbon cloth.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Nhlakanipho Mkhize, Krishnan Murugappan, Martin R. Castell, Harish Bhaskaran
Summary: Electrohydrodynamic Jet Printing (EHD) is capable of printing sub-micron structures with various materials, showing promising results in compared to traditional additive manufacturing techniques. By using EHD to print polyaniline-based chemiresistors, researchers achieved high detection sensitivity for ammonia gas sensors on both glass and flexible substrates. The study also highlighted the importance of dopant acids in polymer structure and sensing, paving the way for further development of miniaturized flexible polymer sensors.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Energy & Fuels
Anandhu Thejas Prasannakumar, R. Rohith, Jayesh Cherusseri, Ranjini R. Mohan, Sreekanth J. Varma
Summary: In this study, a two-step hydrothermal synthesis of nanocrystalline Ni3S2/MnO2 hybrids was reported and used as electrodes for supercapacitors. The incorporation of MnO2 improved the surface area of the electrode, and the synergistic effect of the Ni3S2/MnO2 nanostructured hybrid contributed to the best electrochemical performance, including high gravimetric capacitance and excellent cycling stability.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Xin Sui, Yubo Wang, Yongyang Sun, Wenyan Liang, Yiqing Xue, Alex Osei Bonsu
Summary: A hierarchical nanostructured model for superhydrophobicity was established to describe solid surface properties, with a focus on thermodynamic analysis of wetting states. Simulation results demonstrated a close relationship between wetting state transitions and changes in nano-cylinder height and base spacing.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Engineering, Environmental
Xiaofen Yang, Baoxin Fan, Xinxin Wang, Xi Tang, Jinglin Wang, Guoxiu Tong, Xiaojuan Wang, Weifu Tian
Summary: High-performance absorbers are urgently needed to address the increasing electromagnetic wave pollution resulting from the rapid development of information technology. A simple SDS/HCl-assisted oxidative polymerization method was developed to synthesize nanorod-coated PANI hierarchical microtubes with controllable morphology evolution and excellent electromagnetic wave absorption properties. The PANI hierarchical microtubes with tunable morphology and conductivity offer great promise for various fields such as sensors, electronics, optics, catalysis, energy storage, and EMW absorption and shielding.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Shatrudhan Palsaniya, Harshal B. Nemade, Ashok Kumar Dasmahapatra
Summary: The study presents the fabrication of symmetric tandem supercapacitors using PANI-RGO-ZnO nanocomposite, showing excellent electrochemical performance and capacitance retention over 5000 cycles. The device exhibited significant specific energy and power capabilities, with a steady voltage of around 6.0 V, demonstrating its potential for various applications.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2021)
Article
Metallurgy & Metallurgical Engineering
Zeinab Abdel Hamid, H. B. Hassan, Mohamed Sultan
ANTI-CORROSION METHODS AND MATERIALS
(2020)
Article
Materials Science, Multidisciplinary
Mohamed Refai, Z. Abdel Hamid, Roshdy M. El-kilani, Gamal E. M. Nasr
Summary: In this study, carbon nanotubes were used to reinforce the Ni-metal matrix and obtained nanocomposite coatings on low-carbon steel. The effects of CNTs concentration and current density on the coating properties were investigated. The nanocomposite coatings showed improved corrosion resistance, hardness, and Young's modulus compared to uncoated or pure Ni-coated steel. The enhancements in mechanical properties were mainly attributed to dispersion and grain refinement effects.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2021)
Article
Electrochemistry
M. M. Kamel, Q. Mohsen, Z. Abdel Hamid, S. M. Rashwan, I. S. Ibrahim, S. M. El-Sheikh
Summary: In this study, Ni-Co/nano SiC composites were electrodeposited onto steel substrates from a citrate bath under different experimental conditions, with SiC addition increasing the overvoltage for the Ni-Co alloy deposition and improving corrosion resistance. The composites were found to be crystalline with a face-centered cubic structure, and the thickness gradually increased with higher wt.% of SiC. The corrosion resistance, microhardness, and scratch resistances of the composites were all enhanced with higher quantities of embedded SiC particles.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Z. Abdel Hamid, Mohamed Refai, Roshdy M. El-kilani, Gamal E. M. Nasr
Summary: The study demonstrates that Ni-TiO2 nanocomposites can enhance corrosion resistance and mechanical properties, showing great potential in increasing crop yield.
JOURNAL OF MATERIALS SCIENCE
(2021)
Review
Polymer Science
Ahmed Ibrahim, Anna Klopocinska, Kristine Horvat, Zeinab Abdel Hamid
Summary: Graphene-based nanocomposites exhibit excellent properties and have potential applications in various fields. This review focuses on synthesis methods, characterization techniques, and mechanical properties. The influence of graphene on the mechanical properties of the composite matrix even at low loadings is extensively discussed.
Article
Engineering, Multidisciplinary
Z. Abdel Hamid, N. Gomaa
Summary: The study found that the damage to the impeller in the sewage plant is mainly caused by cracks in the concrete ceiling where the aerator is suspended. These cracks result in misalignment of the shaft rotation, leading to cracks in the fixation holes and eventual failure under fatigue loading. Sharp edges near the welding region between the roller body and the blades also contribute to a high concentration of tension.
JOURNAL OF FAILURE ANALYSIS AND PREVENTION
(2021)
Article
Chemistry, Multidisciplinary
Kh. El-Sayed, Z. Abdel Hamid, Taher A. Salah Eldin, H. B. Hassan, Sayed Sabet Abd El Rehime
Summary: A novel sensor for dissolved oxygen based on a ternary composite of graphene/titanium dioxide/silver nanoparticle (G-TiO2-Ag) can achieve fast and efficient DO reduction, showing a synergistic effect between silver and titanium dioxide. This sensor exhibits high sensitivity and detection limit, capable of detecting DO concentrations as low as 0.011 mu M.
EGYPTIAN JOURNAL OF CHEMISTRY
(2021)
Review
Chemistry, Multidisciplinary
Nabil Nassif, Ibrahim Ghayad, Zeinab Abdel Hamid
Summary: This study provides an overview of the history of direct ethanol fuel cells as a renewable green energy source, with a focus on important features affecting their electrocatalytic performance. These features include operating DEFCs in alkaline media, developing suitable catalyst preparation techniques for better dispersion and smaller particle size, using high surface area supports, combining the catalyst with other materials, and adding additives in the coating bath.
EGYPTIAN JOURNAL OF CHEMISTRY
(2021)
Review
Chemistry, Multidisciplinary
Mona Hassan, Zeinab Abdel Hamid, Sayed S. Abd El Rehim, Ahmed Ibrahim, Maamoun A. Maamoun
Summary: This review article focuses on the deposition, behavior, and application of superhydrophobic surfaces (SHS), including fundamental principles, factors for fabrications, deposition methods, electrochemical synthesis of polymers, and challenges faced by SHS.
EGYPTIAN JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Mohamed Refai, Z. Abdel Hamid, Roshdy M. El-kilani, Gamal E. M. Nasr
Summary: This study investigates the improvement of agricultural reciprocating mower knives against wear and corrosion using nanotechnology. The electrodeposition of pure Ni and Ni-ZnO nano-composite coatings was used, with results showing that Ni with fine grain sizes deposited from the alkaline bath had high-performance properties. The Ni-ZnO nano-composite coating from an alkaline bath demonstrated the highest corrosion resistance compared to uncoated steel.
Review
Chemistry, Multidisciplinary
Mohamed Refaai, Zeinab Abdel Hamid, Roshdy M. El-kilani, Gamal E. M. Nasr
EGYPTIAN JOURNAL OF CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
N. Nassif, Z. Abdel Hamid, I Ghayad, Yasser K. Abdel-Monem, Amal E. Ismail
EGYPTIAN JOURNAL OF CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Ibrahim M. Ghayad, Aida L. El-Ansary, Zeinab Abdel Hamid, Amany A. El-Akshr
EGYPTIAN JOURNAL OF CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
M. A. Ameer, Z. Abdel Hamid, M. Shehata, B. M. Hassan, A. M. Fekry
EGYPTIAN JOURNAL OF CHEMISTRY
(2019)
