12^th International Conference and Exhibition on Materials Science and Chemistry May 20-22, 2019 Movenpick Hotel Zurich Regensdorf, Zurich, Switzerland

Material science and engineering, also commonly known as materials science, encompasses the science, chemical engineering and chemical technology of materials and is an integrative subject which gives an idea about the discovery and design of new materials. It deals with studying materials through the materials paradigm (synthesis, structure, properties, and performance). In accordance with chronology, materials are segregated into natural and synthetic and they in turn are divided into inorganic, organic, bulk, micro scale and Nanoparticles. These various materials exhibit different properties according to their nature. This leads to the advancement in the field of electronics and photonics through basic, potentially transformative materials science research.

Energy materials like photovoltaic cells help in sustaining energy resources. Mining and metallurgical studies involve in the manufacturing processes which convert raw materials into useful products adapted to human needs. It deals with materials-processing, their properties, and their selection and application. Computational Materials Science has a huge scope and calls for hierarchical and multi-scale methods involving modelling, simulation and first-principle calculations on all materials classes.

Optimization processes are particle packing problems, such as how densely hard particles can fill a volume; topology optimization method can be used to determine material microstructures with optimized or targeted properties and the generation of realizations of random heterogeneous materials with specified but limited microstructural information. A Tunable material shows a variable response to an incident electromagnetic wave with the combination of a metamaterial. Surface science is the study of physical and chemical phenomena that occur at the interface of two phases along with solid–liquid interfaces, solid–gas interfaces, solid–vacuum interfaces, and liquid–gas interfaces. It is closely related to study of surface, which targets at modifying the chemical composition of a surface by incorporation of selected elements or functional groups that produce various desired effects or improvements in the properties of the surface or interface. Biomedical materials are prepared from tissue engineering for the compatibility in the human body. Optoelectronics is the study and application of electronic devices that source, detect and control light, usually considered as a sub-field of photonics. These devices are electrical-to-optical or optical-to-electrical transducers, or instruments that use such devices in their operation. It is based on the quantum mechanical effects of light on electronic materials, especially semiconductors, occasionally in the presence of electric fields. Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain materials when cooled below a characteristic critical temperature. Molecular electronics is the study and application of molecular building blocks for the fabrication of electronic materials. wing to their extraordinary thermal conductivity and mechanical and electrical technologies, carbon nanotubes act as additives to various structural materials.

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The essence of Materials Chemistry can be observed in various fields i.e., organic, inorganic, analytical, physical, organometallic, cosmetic, petro and forensic studies. Organic chemistry provides organic polymers for use in structures, films, fibres, coatings, and so on. It provides materials with complex functionality, a bridge between materials science and medicine and provides a sophisticated synthetic entry into nanomaterial. Inorganic chemistry deals with the structure, properties, and reactions of molecules that do not contain carbon, such as metals. It helps us to understand the behaviour and the characteristics of inorganic materials which can be altered, separated, or used in products, such as ceramics and superconductors. Analytical chemistry determines the structure, composition, and nature of substances, by identifying and analysing their various elements or compounds. It also gives idea about relationships and interactions between the parts of compounds. It has a wide range of applications, like food safety, Nano biopharmaceuticals, and pollution control. The analytical role of materials chemistry includes the materials science lab equipment associated with materials science experiments. The basic characteristics of how matter behaves on a molecular and atomic level and how chemical reactions occur are physical chemistry. Based on the inferences, new theories are developed, such as how complex structures are formed and develop potential uses for new materials correlating materials chemistry. Study of chemical compounds containing at least one bond between a carbon atom of an organic compound and a metal, including alkaline, alkaline earth, transition metal, and other cases is Organometallic chemistry. Materials that work physiologically within the skin or aid in protecting the skin from insult form Cosmetic chemistry. Petro chemistry deals with the transformation of crude oil (petroleum) and natural gas into useful products or raw materials. Forensic chemistry is the application of chemistry and its subfield, forensic toxicology, in a legal setting. Materials science and pharmaceutical chemistry are disciplines at the intersection of chemistry, especially synthetic organic chemistry, and pharmacology and various other biological specialties, where they are involved with design, electrochemical synthesis and development for market of pharmaceutical agents, or bio-active molecules (drugs). These chemical synthetic methods that make it possible to prepare a large number (tens to thousands or even millions) of compounds in a single process come under the concept of Combinatorial chemistry.

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Certain principles are there to synthesize a novel material : to develop an understanding of different materials systems, to know the origins of physical, chemical, and functional properties of different materials, to study basic principles of synthesis and characterization of materials, to understand the origins of functional responses of materials and also the role of materials in science, industry, and technology. Often a pure substance needs to be isolated from a mixture or after chemical reactions (which often give mixtures of chemical substances). From ores, extraction can be done by means of oxidation catalysis and reduction whereas in laboratory by techniques like Hydraulic Washing, Magnetic Separation, Froth Floatation Method, Leaching and so on.

A ceramic is a non-metallic material composed of inorganic molecules, generally prepared by heating a powder or slurry and glassy materials are hard, brittle, and not crystalline which results in optical transparency. Solid state chemistry, also sometimes referred to as materials chemistry is the study of the synthesis, structure, and properties of solid phase materials, particularly, but not exclusively of, non-molecular solids. Thus it has a strong overlap with solid-state physics, mineralogy, crystallography, ceramics, metallurgy, thermodynamics, materials science and electronics with a focus on the synthesis of novel materials and their characterization. Mixtures of metallic materials are called alloys, are more commonly used than the pure metal. By alloying, some of the key properties of metals can be altered. Composite materials are mixtures of two or more bonded materials. The design and synthesis of these materials with different approaches can be done here.

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Various techniques related to the synthesis of materials to form useful chemical substances constitute the field of analytical study. Instrumental analysis mainly helps us to know the assessment of purity, their chemical composition, structure and function. Analysis of chemical compounds was done to produce results for “what chemicals are present, what are their characteristics and in what quantities are they present?” Basic methods rely on important factors like sample preparation, accuracy, precision and cleanliness. Calibration curves help in the calculation of proper quantities of sample used and also detect the synthesized novel compounds. Certain equipment like electron microscopes, spectrometers, diffractive instruments and so on was employed in the analytical process of a particular synthesis. Scanning electron microscope (SEM) helps in microstructural analysis, fault diagnosis, imaging and elemental analysis of solid materials. Microscopes mostly deal with the same kind of characteristics during the process of synthesis. Mass spectrometer will be majorly availed to detect the masses of individual species within a sample. X-ray diffraction (XRD) deals with the mineralogical analysis of solid materials for phase determination. Rutherford backscattering (RBS) is the major instrument used in the analysis related to the field of materials science and chemistry.

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Polymer chemistry is a multidisciplinary science that deals with the chemical synthesis and chemical properties of polymers which were considered as macromolecules. Polymers describe the bulk properties of polymer materials and belong to the field of polymer physics as a subfield of physics. Polymers are of two types-natural ( e.g., rubber, amber ), synthetic ( e.g., polyethylene, nylon, PVC ). Polymerization is the process of combining many small molecules known as monomers into a covalently bonded chain or network. General methods of synthesis include Biological synthesis and modification of natural polymers. Laboratory research is generally divided into two categories, step-growth polymerization and chain-growth polymerization. Polymers are characterized by the presence of monomer units and microstructures and they can be determined by means of many lab techniques. Surface functionalization of a polymer structure is the key component of a coating formulation allowing control over such properties as dispersion, film formation temperature, and the coating rheology. The association of other additives, such as thickeners with adsorbed polymer material give rise to complex rheological behaviour and excellent control over a coating's flow properties.

Polymer blends are members of a class of materials analogous to metal alloys, in which at least two polymers are blended together to create a new material with different physical properties. A polymer alloy includes multiphase copolymers but excludes incompatible polymer blends. These materials combine high modulus, heat resistance and impact strength in addition to flame retardant. Polymer processing is done by extrusion and injection moulding; other processes include calendering, compression. Polymer testing capabilities include advanced trace chemical analysis, diverse analytical capabilities and identification of chemicals composition, unknown materials and chemical contamination. It is used to identify fundamental structural information including molecular weight, molecular weight distribution and information on branching. Polymers are manufactured under pressured conditions, pressureless conditions and so on.

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A material having particles or constituents of nanoscale dimensions, or one that is produced by nanotechnology is a Nanomaterial. They are of types like carbon based, metal based, dendrimers and composites. Useful applications can be observed in the cases of nanomedicine, nanobiotechnology, green nanotechnology, energy applications of nanotechnology, industrial applications of nanotechnology, potential applications of carbon nanotubes and nanoart. The characteristic properties of nanomaterials show wide usage in the current trending technology of material design. The general methods of synthesis are Bottom-Up approach which includes the chaotic and controlled processes and Top-Down approach which includes various methods of nanolithography. Current applications of nanoscale materials include very thin coatings used, for example, in electronics and active surfaces (for example, self-cleaning windows). In most applications the nanoscale components will be fixed or embedded but in some, such as those used in cosmetics and in some pilot environmental remediation applications, free nanoparticles are used. The ability to machine materials to very high precision and accuracy (better than 100nm) is leading to considerable benefits in a wide range of industrial sectors, for example in the production of components for the information and communication technology, automotive and aerospace industries.

Magnetically tunable photonic structures are prepared in alkanol solutions by using silica-modified super paramagnetic Fe₃O₄ colloids as building blocks. Repulsive electrostatic and magnetically induced attractive forces contribute to the ordering of the Fe₃O₄ @ SiO₂ colloids. The ability to form tunable photonic structures in non-aqueous solutions allows the fabrication of field-responsive polymer composite materials films for potential applications as displays and sensors. Metal-organic frameworks (MOFs) are materials in which metal – to-organic ligand interactions yield porous coordination networks with record-setting surface areas surpassing activated carbons and zeolites. They are used in the storage and separations of gases, catalysis and others. There are two major methods to construct DNA Nano structures, the tile-based and DNA origami methods. The tile-based approach is an ancient method that provides a good tool to construct small and simple structures, usually with multiple repeated domains. In contrast, the origami method, at present, would appear to be more appropriate for the construction of bigger, more sophisticated and defined structures which facilitate molecular modelling.

In the past decade, lithium-ion (Li-ion) batteries have been considered as one of the viable alternative technologies for applications such as electrical vehicles and grid energy storage for renewable energies (e.g., solar and wind) due to their high energy density and long cycle life. Recent nanotechnology leads to the development of advanced electrode materials for high-performance Li-ion batteries. The recent advances are in graphene-based composites and their application as cathode materials for Li-ion batteries. They focus on the synthetic methods of graphene-based composites and their superior electrochemical performance in Li-ion batteries.  Advances in oxide semiconductor materials and devices continue to fuel leading edge developments in display technology, and transparent electronics. Nano crystalline oxide semiconductor offers a host of advantages such as low cost and high scalability. In semiconductor device applications, oxide semiconductors stem from a number of attributes primarily their ease of processing, and high field effect mobility, rising in stackable process nature on silicon circuits.

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Inorganic Materials Chemistry includes the study of elements with either metallic or non-metallic properties. Most of the elements are metallic for example alkali metals, alkaline earth metals, transition metals and so on. The category of non-metallic elements mainly contains elements which are gaseous in nature like hydrogen, oxygen and so on including noble gases. These all were segregated to produce new inorganic compounds based on the particular process of synthesis. Inorganic nanotubes have a composition of metal oxides which are morphologically similar to a carbon nanotube. Existence of substance in more than one crystalline form is polymorphism whereas existence of an element into more than one physical form is allotropy. Superconducting materials are some of the most powerful electromagnets known. They are used in MRI/NMR machines, mass spectrometers, and beam-steering magnets used in particle accelerators. Stoichiometric analysis of materials deals with the relative quantities of reactants and products of a chemical reaction whereas gravimetric analysis deals with the relative properties of reactants and products. Zeolites are aluminosilicate and microporous minerals which are used as catalysts in the most of the chemical reactions.

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Organic Materials Chemistry is a major area of research which leads to the development of advanced organic and polymeric materials by investigating into the process of synthesis, processing, control, characterization and establishment of the structural properties relationship among these materials. Functional properties were studied and related structural applications will be considered to play a key role. Nomenclature to the compounds was given based on the chemical structure and isomerism was observed in relation to the radical displacement of atoms within the structures. Structural chemistry involves the determination of structure of compounds using various instrumental techniques and the derivation of desired results by having a detailed study of the conclusions drawn during the process of analysis. Metal-organic frameworks (MOFs) are materials in which metal-to-organic ligand interactions yield porous coordination networks with record-setting surface areas surpassing activated carbons and zeolites. De-localization of orbitals within the complex substances form conjugated systems of materials which lead to the derivation of chromophores used in synthetic processes. Diamond and carbon materials are widely used in the applications of organic synthesis from novel materials.

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The effects of ultrasound induce certain physical changes like the dispersal of fillers and other components into base polymers (as in the formulation of paints), the encapsulation of inorganic supplements with polymers, changing of particle size in polymer powders, and most important is the welding and cutting of thermoplastics. In contrast, chemical changes can also be created during ultrasonic irradiation as a result of cavitation, and these effects have been used to favour many areas of polymer chemistry. In materials science, the sol-gel conversion is a method for producing solid materials from small molecules. This method is used for the fabrication of metal oxides particularly the oxides of silicon and titanium. The process involves conversion of monomers into a colloidal solution (sol) that acts as the precursor for an integrated network (or gel) of either discrete particles or network polymers. Important precursors are metal alkoxides. Polymers produced under sonication had narrower poly dispersities but higher molecular weights than those produced under normal conditions. The fastness of the polymerization was caused by more efficient dispersion of the catalyst throughout the monomer, leading to a more homogeneous reaction and hence a lower distribution of chain lengths. The electrical and magnetic phenomena alter the properties of materials for better prospective in manufacturing. Plastic fabrication is the design, manufacture and assembly of plastic products through one of a number of methods.

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Materials Chemistry along with Physics deals with the structure, properties, processing and performance of materials. Applied physics is intended for a particular technological or practical use of materials. Materials characterization is a broad and general process by which a material's structure and properties are probed and measured. Materials characterization usually done by the major techniques like Microscopy, spectroscopy, macroscopic testing. The scale of the structures observed in materials characterization ranges from angstroms, such as in the imaging of individual atoms and chemical bonds, up to centimeters, such as in the imaging of coarse grain structures in metals.

Materials Management and engineering focus on improving what materials are made of and how they are made. New materials enable better performance and sustainable technologies. It is always new materials that open the door to new technologies, whether they are in chemical, civil, construction, nuclear, aeronautical, agricultural, mechanical, and biomedical or electrical engineering. In this the mechanics of materials are evaluated for the better performance of the newly designed materials and general areas of dynamics of particles and rigid bodies and the mechanics of deformable solids. Strength of materials is also analysed for the future prospective and effective material construction like Organic Lunimophores and so on. Creating competitive advantage through material technologies and developments which lead to new applications comes under Functional Materials Chemistry. The concept of Materials Science and physics involves certain materialistic methodologies such as materials science quantum mechanics and other related concepts.

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Two-dimensional (2D) materials have attracted much attention in the past decade. They have high specific surface area and also electronic engineering and properties that differ from their bulk counterparts due to the low dimensionality. Graphene is the best known and the most studied 2D material, but metal oxides and hydroxides (including clays), dichalcogenides, boron nitride (BN), and other materials that are one or several atoms thick are receiving increasing attention. They exhibit a combination of properties that cannot be provided by other materials. Many two-dimensional materials are synthesized by selective extraction process which is critically important when the bonds between the building blocks of the material are too strong (e.g., in carbides) to be broken mechanically in order to form Nano structures. These have a thickness of a few nanometres or less. Electrons are free to move in the two-dimensional plane, but their restricted motion in the third direction is governed by quantum mechanics. Magnetic topological insulator comprised of two-dimensional (2-D) materials has a potential of providing many interests  and applications by manipulating the surfaces states like yielding quantum anomalous Hall effect giving rise to dissipation-less chiral edge current, giving axion electromagnetism and others. The chemistry of electrical, optical, thermal and mechanical properties varies in a peculiar style and these materials are applied widely in case of ambipolar electronics, transistors and so on.

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