A5043352780- Metal-Organic Frameworks: Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Mesoporous Materials and Catalysis
- Covalent Organic Framework Applications
- Supercapacitor Materials and Fabrication
- Conducting polymers and applications
- Advanced Chemical Sensor Technologies
- Radioactive element chemistry and processing
- Chemical Synthesis and Characterization
- Graphene research and applications
- Nanomaterials for catalytic reactions
- Adsorption and biosorption for pollutant removal
- Advanced Photocatalysis Techniques
- Layered Double Hydroxides Synthesis and Applications
- Acoustic Wave Resonator Technologies
- Advancements in Battery Materials
- Catalytic Processes in Materials Science
- Polyoxometalates: Synthesis and Applications
- Carbon and Quantum Dots Applications
- Electrocatalysts for Energy Conversion
- MXene and MAX Phase Materials
- Nanoplatforms for cancer theranostics
- Radioactive contamination and transfer
- Advanced Sensor and Energy Harvesting Materials
Tanta University
2015-2025
Khalifa University of Science and Technology
2024-2025
Institute of Catalysis and Petrochemistry
2025
National Institute for Materials Science
2013-2024
The University of Queensland
2021-2023
National Institute of Advanced Industrial Science and Technology
2019-2022
Nanjing University of Aeronautics and Astronautics
2019-2021
Division of Chemistry
2019
Qingdao University of Science and Technology
2018
Waseda University
2012-2015
Core-shell structured ZIF-8@ZIF-67 crystals are well-designed and prepared through a seed-mediated growth method. After thermal treatment of crystals, we obtain selectively functionalized nanoporous hybrid carbon materials consisting nitrogen-doped (NC) as the cores highly graphitic (GC) shells. This is first example integration NC GC in one particle at nanometer level. Electrochemical data strongly demonstrate that this material integrates advantageous properties individual GC, exhibiting...
Nanoporous carbon particles with magnetic Co nanoparticles (Co/NPC particles) are synthesized by one‐step carbonization of zeolitic imidazolate framework‐67 (ZIF‐67) crystals. After the carbonization, original ZIF‐67 shapes preserved well. Fine well dispersed in nanoporous matrix, result that Co/NPC show a strong response. The obtained carbons high surface area and well‐developed graphitized wall, thereby realizing fast molecular diffusion methylene blue (MB) molecules excellent adsorption...
Nanoporous carbon (NPC) is prepared by direct carbonization of Al-based porous coordination polymers (Al-PCP). By applying the appropriate temperature, both high surface area and large pore volume are realized for first time. Our NPC shows much higher porosity than other materials (such as activated carbons mesoporous carbons). This new type material exhibits superior sensing capabilities toward toxic aromatic substances.
Nanoporous carbon particles with different particle sizes are synthesized by simple carbonization of monodispersed zeolitic imidazolate framework-8 (ZIF-8) crystals. Quartz crystal microbalance (QCM) study proves that the use small-sized nanoporous can lead to both a large adsorption uptake and faster sensor response for toxic toluene molecules.
Abstract Nanoporous carbons (NPCs) have large specific surface areas, good electrical and thermal conductivity, both chemical mechanical stability, which facilitate their use in energy storage device applications. In the present study, highly graphitized NPCs are synthesized by one‐step direct carbonization of cobalt‐containing zeolitic imidazolate framework‐67 (ZIF‐67). After etching, deposited Co content can be completely removed to prepare pure with high area, pore volume, intrinsic...
We design novel symmetric supercapacitors based on nanoporous carbons (NPCs) by direct carbonization of Zn-based metal–organic frameworks (MOFs).
Tremendous development in the field of portable electronics and hybrid electric vehicles has led to urgent increasing demand high-energy storage devices. In recent years, many research efforts have been made for more efficient energy-storage devices such as supercapacitors, batteries, fuel cells. particular, supercapacitors great potential meet demands both high energy density power advanced technologies. For last half decade, graphene attracted intense interest electrical double-layer...
Abstract Nanoporous carbon–cobalt‐oxide hybrid materials are prepared by a simple, two‐step, thermal conversion of cobalt‐based metal–organic framework (zeolitic imidazolate framework‐9, ZIF‐9). ZIF‐9 is carbonized in an inert atmosphere to form nanoporous carbon–metallic‐cobalt materials, followed the subsequent oxidation air, yielding hybrids. The resulting evaluated as electrocatalysts for oxygen‐reduction reaction (ORR) and oxygen‐evolution (OER) KOH electrolyte solution. exhibit similar...
Very recently, we have reported preparation of several types Prussian Blue (PB) particles with varying particle sizes by systematically tuning the synthetic conditions (Angew. Chem., Int. Ed., 2012, 51, 984–988). Here, obtained PB are used for removal Cs ions from aqueous solutions, which will be useful remediation nuclear waste. To evaluate uptake ability into particles, utilize quartz crystal microbalance (QCM) real-time monitoring behavior particles. The frequency QCM is promptly...
We prepared nanoporous carbon (NC) particles of approximately 50-nm diameter by direct carbonization metal–organic frameworks (MOFs). The obtained MOF-derived NC (MOF-NC) exhibit very high biocompatibility and, hence, are promising as intracellular drug delivery carriers.
The preparation of coordination polymer nanoparticles is currently the focus research attention because advantage increasing specific surface area. In this paper, we report a facile method to prepare Prussian Blue (PB) with different particle sizes. Their sizes have wide range from few dozen nanometres submicrometre, depending on synthetic conditions. obtained particles can be divided into three categories: small (around 20 nm), medium-sized 100 and large (in excess 200 nm). are formed by...
2D transition metal dichalcogenides (TMDs) have received widespread interest by virtue of their excellent electrical, optical, and electrochemical characteristics. Recent studies on TMDs revealed versatile utilization as electrocatalysts, supercapacitors, battery materials, sensors, etc. In this study, MoS2 nanosheets are successfully assembled the porous VS2 (P-VS2 ) scaffold to form a /VS2 heterostructure. Their gas-sensing features, such sensitivity selectivity, investigated using quartz...
A novel core–shell structured MOF-GC@COF heterostructure was synthesized with high sensing performance toward formaldehyde is presented.
Abstract Mass interfacial processes have been considered as one of the crucial factors supporting fundamental research. Due to low cost and conceptual simplicity, significant advancements achieved in development methodologies based on piezoelectric devices for situ determination mass changes surfaces deposited materials under various conditions. The introduction nanomaterials designing sensors monitoring systems becomes essential create advanced detection selective sensing toxic analytes...
A series of hierarchical three-dimensional (3D) manganese-cobalt benzenetricarboxylic acid (Mn-Co BTC) metal–organic frameworks (MOFs) with controllable sub-units and interior architectures have been synthesized at room temperature without templates, etchants, or high-pressure conditions. The assembling the 3D Mn-Co BTC MOFs can be controlled by tuning Mn/Co ratio, higher Mn content favoring one-dimensional (1D) sub-units, while Co favors two-dimensional (2D) sub-units. hollow spheres...
Abstract Covalent organic frameworks (COFs) are promising high‐performance capacitive deionization (CDI) materials. Strategies to optimize CDI performance of COFs focus largely on hybridization with conductive substrates, improve their intrinsically poor conductivity. A new structure‐function relationship between and substrates is proposed here based substrate‐induced surface curvature. Graphene (zero‐curvature) carbon nanotubes (CNT, curved) selected as COF growthsubstrates assess the...
Among various metal-organic frameworks (MOFs), the zeolitic imidazole framework (ZIF), constructed by regular arrangement of 2-methylimidazole and metal ions, has garnered significant attention due to its distinctive crystals pore structures. Variations in sizes shapes ZIF have been reported changing synthesis parameters, such as molar ratios organic ligands choice solvents, temperatures. Nonetheless, giant ZIF-8 single beyond typical range rarely reported. Herein, we present...
Abstract We report the preparation of monocrystalline Prussian blue (PB) analogue hollow nanocubes by applying a controlled chemical etching method with assistance polyvinylpyrrolidone (PVP). The particles obtained possess original single‐crystalline structures, retention high surface areas. Our synthetic route based on is quite simple, and it can be scaled up for mass production.