A5073998826- Graphene research and applications
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- 2D Materials and Applications
- Extraction and Separation Processes
- Boron and Carbon Nanomaterials Research
- Advanced battery technologies research
- Advancements in Battery Materials
- MXene and MAX Phase Materials
- Thermal properties of materials
- Metal Extraction and Bioleaching
- Advanced Battery Materials and Technologies
- Remote Sensing and LiDAR Applications
- Advanced Battery Technologies Research
- Recycling and utilization of industrial and municipal waste in materials production
- Concrete and Cement Materials Research
- Parallel Computing and Optimization Techniques
- Aerogels and thermal insulation
- Semiconductor materials and devices
- Radioactive element chemistry and processing
- Geotechnical and construction materials studies
- 3D Surveying and Cultural Heritage
- Mechanical Failure Analysis and Simulation
- Heat Transfer and Optimization
- Optical measurement and interference techniques
Technical University of Munich
2024
University of Technology Sydney
2023
University of Wollongong
2015-2019
École Polytechnique Fédérale de Lausanne
2019
Northeastern University
2016
Bangladesh University of Engineering and Technology
2012-2014
Institute of Mining
1970
Upon flowing hot steam over hexagonal boron nitride (h-BN) bulk powder, efficient exfoliation and hydroxylation of BN occur simultaneously. Through effective hydrogen bonding with water N-isopropylacrylamide, edge-hydroxylated nanosheets dramatically improve the dimensional change dye release this temperature-sensitive hydrogel thereby enhance its efficacy in bionic, soft robotic, drug-delivery applications.
Two-dimensional (2D) materials have shown outstanding properties that make them the of choice for future semiconductor and flexible nanoelectronics. Hexagonal boron nitride nanosheet (BNNS) is one most studied 2D due to its extraordinary potential applications. The synthesis large, homogeneous, few-layered BNNS, however, remains challenging. Among various synthetic routes, chemical vapour deposition (CVD) preferred on grounds yield large BNNS with controllable atomic layers minimal...
Outstanding protection of Cu by high-quality boron nitride nanofilm (BNNF) 1-2 atomic layers thick in salt water is observed, while defective BNNF accelerates the reaction toward water. The chemical stability, insulating nature, and impermeability ions through BN hexagons render a great choice for atomic-scale protection.
Hexagonal boron nitride nanosheets (h-BNNS) have been proposed as an ideal substrate for graphene-based electronic devices, but the synthesis of large and homogeneous h-BNNS is still challenging. In this contribution, we report a facile few-layer on melted copper via atmospheric pressure chemical vapor deposition process. Comparative studies confirm advantage using over solid catalyst substrate. The former leads to formation single crystalline that several microns in size mostly mono-...
Single-layer graphene films, crystallized by chemical vapor deposition, host a low density of vacancy defects that are attractive for the size-sieving molecules. The size and such function growth temperature carbon precursor. So far, studies applying intrinsic have only used CH4 as Since there reports claiming synthesis from benzene at (up to 100 °C on Cu foil), we systematically studied crystallization benzene-derived evolution defects. We demonstrate cannot grow below 700 Cu. attribute...
In this study, hexagonal boron nitride nanosheets (h-BNNS) have been grown on polycrystalline silver substrates via chemical vapor deposition (CVD) using ammonia borane as a precursor. The h-BNNS are of few-atomic-layer thickness and form continuous coverage over the whole Ag substrate. atomically thin coating poses negligible interference to reflectivity in UV–visible range. nanosheet also proves very effective protecting foil chemically. contrast bare foil, coated displayed only minor...
Effects of rice husk ash and fly on properties red clay collected from Naogaon district Bangladesh were investigated. Different percentages (RHA) (5%, 10% 15%) thoroughly mixed with to analyse various physical chemical followed by heat treatment 8000C 11000C. The samples tested for compressive strength, linear shrinkage, water absorption, porosity bulk density. XRD analysis indicates the sample was mainly illite type. Water absorption increased increasing percentage ashes. within 6 different...
The quality of hexagonal boron nitride nanosheets (h-BNNS) is often associated with the most visible aspects such as lateral size and thickness. Less obvious factors sheet stacking order could also have a dramatic impact on properties BNNS therefore its applications. can be affected by contamination, cracks, growth temperatures. In view significance chemical-vapour-decomposition (CVD) assisted BNNS, this paper reports strategies to grow carbon- crack-free CVD describes resultant BNNS....
Spent zinc-carbon dry cell batteries were characterized to assess the environmental impacts and also, identify potentials of recovering metal values from these batteries.Different component parts both new spent all five types (AAA, AA, C, D 9V) examined.The outer steel casings found be tin plated.Steel, zinc manganese constituted 63 percent total weight battery.Average contents about 22 24 batteries.The electrolyte paste contained wt.percent 60 manganese.The rest was chlorine, carbon small...
Abstract The research paper delves into the importance of point cloud data obtained from 3D scanning technology ensuring quality control in industrial settings. It presents a new heuristic approach that utilizes wavelet algorithm and other techniques to detect characterize induced forming defects accurately. proposed offers more flexibility, ease use, better results based on descriptive prescriptive analyses DRM. demonstrate was successful identifying characterizing data.
Upon flowing hot-water steam over hexagonal boron nitride (h-BN) bulk powder, efficient exfoliation and hydroxylation of the h-BN occur simultaneously. The edge-hydroxylation enables excellent dispersion nanosheets in water also helps to maintain their high thermal conductivity along plane. Used as an additive, response a poly(N-isopropylacrylamide) (PNIPAM) hydrogel is dramatically improved, featuring faster shrinkage dye release. This described by Z. Huang co-workers on page 7196.
Manganese and zinc contained in the electrolyte paste of spent zinc-carbon dry cell batteries were leached sulfuric acid presence hydrogen peroxide as a reducing agent. Kinetic parameters established from time versus extent dissolution curves using temperature variable keeping other fixed. Three reactions models (i) Liquid film diffusion controlled, (ii) Diffusion controlled through product layer (iii) Chemical reaction considered for selection appropriate model manganese zinc. The kinetic...
The icosahedral closo dodecaborate cluster [B