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Alfa Chemistry Services
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Alfa Chemistry - Hydrogen Storage by Using MOFs
MOFs can be used in hydrogen storage in two directions: cryo-temperature and room temperature hydrogen storage. MOFs and COFs have high surface areas which provide higher gas uptake place. The positions of surface cages and channels of MOFs and COFs provide Van der Waals interactions with hydrogen. The two point makes MOFs and COFs to store hydrogen very well and a simultaneous high gravimetric and volumetric hydrogen densities can be achieved in MOFs and ...
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Alfa Chemistry - Compositional Analys for Alternative Energy
Alfa Chemistry has extensive capabilities to analyze a wide variety of samples with different origin. We are able to offer our clients expert compositional testing services, including elemental analysis, trace element analysis, purity and impurity testing, carbon characterization, components’ concentration identification, and other analysis that clients required. ...
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Alfa Chemistry - Failure Analysis for Alternative Energy
At Alfa Chemistry, we are able to use our comprehensive analytical techniques, instrumentations, and resources to look for the root cause of the failure according to the specific product and the failure mode, ensuring that every component in your product can withstand the most demanding applications to perform its intended function. Learn more at ...
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Alfa Chemistry - Mechanical Analysis for Alternative Energy
Mechanical analysis employs a variety of external physical forces such as vibration, tension, compression, bending and torsion, etc., to test the suitability or durability of the materials. It can be applied at any stage of the product, from raw materials to finished products, measuring mechanical characteristics such as elasticity, tensile strength, elongation, hardness, facture toughness, impact resistance, stress fracture, and the fatigue limit. Learn ...
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Alfa Chemistry - Metallurgy Analysis for Alternative Energy
High-purity metals and alloys play important roles in semiconductor devices, electronic devices, automobiles, aircrafts, sputter targets, and many more industrial products. Accurate understanding of their chemical composition and failure mechanism is necessary for end users to select the right materials for their specific applications. In Alfa Chemistry, our professional metallurgists utilize a wide range of knowledge, consultance and techniques available ...
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Alfa Chemistry - Organic Transistor (OFET) Materials for Alternative Energy
OFET materials have the advantages of a wide range of material sources, low working voltage, compatibility with flexible substrates, suitable for low-temperature processing, suitable for mass production, low cost, and solution processing into films, etc., and have been widely used in the preparation of new materials and device processes etc. Learn more at ...
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Alfa Chemistry - Organic Light-Emitting Diode (OLED) Materials for Alternative Energy
Organic light-emitting diode (OLED) refers to the phenomenon that organic semiconductor materials and light-emitting materials are driven by an electric field to cause light emission through carrier injection and recombination. The principle is to use indium tin oxide (ITO) transparent electrodes and metal electrodes as the anode and cathode of the device, respectively. Learn more at
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Alfa Chemistry - Molecular Conductors for Alternative Energy
Molecular conductors, also known as conductive molecular crystals, include semiconductors, conductors and superconductors. Molecular conductor is a new crystalline material structure form different from ionic crystals, covalent crystals, metal crystals and molecular crystals. Its structural feature is that conductive components (planar conjugated molecules in the form of free radicals) are packed tightly and orderly in the crystal, and π electron clouds ...
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Alfa Chemistry - MOFs & MOF Raw Materials For Hydrogen Storage
MOFs have potential practical application value in gas storage, separation, catalysis, magnetism, nonlinearity, luminescence and other aspects, especially their excellent performance in low temperature hydrogen storage. Therefore, in recent years, MOFs have become the research focus of new hydrogen storage materials. Learn more at ...
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Alfa Chemistry - Supercapacitors For Energy Storage & Batteries
Supercapacitor is a new type of energy storage device whose performance is between that of traditional capacitor and rechargeable battery. It has the characteristics of fast charge and discharge of capacitor and energy storage of battery. Supercapacitors can be divided into electric double-layer capacitor and Faraday quasi-capacitor according to the storage mechanism. The electric double-layer capacitor mainly generates storage energy through the ...
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Alfa Chemistry - Fullerenes For Energy Storage & Batteries
Fullerenes are mainly convex polyhedra composed of five-membered and six-membered rings. In terms of molecular orbital energy, fullerenes have large delocalization energy and exhibit metallic luster. In addition, fullerenes have many excellent properties such as superconductivity, strong magnetism, and chemical resistance, and are widely used in catalysts, energy storage, optical materials and other fields. In the field of supercapacitors, it is difficult ...
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Alfa Chemistry - Carbon Nanotubes For Energy Storage & Batteries
Carbon nanotubes are considered as ideal electrode materials for supercapacitors due to their unique hollow structure, good electrical conductivity, large specific surface area, pores suitable for electrolyte ion migration, and intertwining to form nanometer-sized network structures. In order to further improve the performance of carbon nanotube electrode materials, carbon nanotubes can be activated or composited to prepare high-performance and low-cost ...
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Alfa Chemistry - Activated & Mesoporous Carbon For Energy Storage & Batteries
Mesoporous carbon is a new class of non-silicon-based mesoporous materials with huge surface area and pore volume. Compared with activated carbon, mesoporous carbon materials have more regular pore distribution. For mesoporous carbon with regular and ordered pores, electrolyte ions can move freely in the pores. Such movement weakens the capacitor dispersion effect, so that the capacitor has strong charging and discharging capacity, and shows excellent ...
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Alfa Chemistry - Thin Film Solar Cell Materials For Solar Energy
Thin Film Solar Cell Materials: Thin film solar cells have significant advantages such as potential low price of materials, easy processing, large-area film formation, designability of molecular and film properties, light weight, and flexibility. It can be widely used in the construction of power stations, buildings, ecological roofs, and urban street ...
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Alfa Chemistry - Perovskite Solar Cell (PSC) Materials For Solar Energy
Perovskite Solar Cell (PSC) Materials: After the perovskite solar cell is connected to an external circuit, a loop can be formed to form an electric current. As a third-generation solar photovoltaic cell, PSC has the advantages of high photoelectric conversion efficiency, flexible preparation, and low cost. It plays an important role in the development of lightweight flexible ...
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Alfa Chemistry - Quantum Dots For Solar Energy
The combination of quantum dots and solar cells can give solar cells new performance. Quantum dots can make solar cells absorb light of a specific wavelength by changing the size of semiconductor quantum dots, that is, small quantum dots absorb short-wavelength light, and a large number of sub-dots absorb long-wavelength light. This makes it widely used in solar cells and can greatly improve the ...
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Alfa Chemistry - Organic Solar Cell (OPV) Materials For Solar Energy
Organic Solar Cell (OPV) Materials For Solar Energy: Organic solar cell (OPV) is a solar cell whose absorber layer is an organic semiconductor (polymer or small molecule). The preparation of organic semiconductor materials requires the use of highly conjugated organic materials. The conjugation of organic molecules results in the delocalization of the electrons associated with the ...
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Alfa Chemistry - Dye-Sensitized Solar Cell (DSSC) Materials For Solar Energy
Dye-Sensitized Solar Cell (DSSC) Materials For Solar Energy: Energy shortage and environmental pollution are the two major problems facing human beings. The use of solar energy, a renewable and clean energy, is the key way to solve the problem. Dye-sensitized solar cells (DSSC) have been developed along with new energy materials. DSSC materials mainly include transparent ...
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Alfa Chemistry - Buffer Layer Materials For Solar Energy
Buffer Layer Materials For Solar Energy: The buffer layer with excellent performance has the following common functions: 1) modifying the surface of the electrode to make the surface smooth and orderly; 2) separating the active layer and the electrode, keeping the photo-generated carriers away from the electrode, preventing the quenching of photo-generated carriers at the electrode; 3) block ...
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Alfa Chemistry - Liquid Crystal (LC) Materials For Semiconductors For Solar Energy
Liquid Crystal (LC) Materials For Semiconductors For Solar Energy: LC materials and semiconductor materials are intersecting fields. LC materials formed by molecules with aromatic π-conjugated centers will have a dominant position in intrinsic electronic conductance and higher carrier mobility, forming a LC material with semiconductor ...
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Alfa Chemistry - Organic Light-Emitting Diode (OLED) Materials For Semiconductors
Organic Light-Emitting Diode (OLED) Materials For Semiconductors: The transport layer used in OLED is made by doping with organic conjugated molecular materials. Because organic conjugated molecular materials have semiconductor characteristics in an undoped state, and they are simple to prepare, process large-area thin-film devices with simple technology, and low cost, ...
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Alfa Chemistry - Organic Transistor (OFET) Materials For Semiconductors
Organic Transistor (OFET) Materials For Semiconductors: OFET materials have the advantages of a wide range of material sources, low working voltage, compatibility with flexible substrates, suitable for low-temperature processing, suitable for mass production, low cost, and solution processing into films, etc., and have been widely used in the preparation of new materials and device ...
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Alfa Chemistry - Polymer/Macromolecule Semiconductor Building Blocks
Polymer/Macromolecule Semiconductor Building Blocks: Many conjugated polymer main chains can visually extend the chromophore, showing photophysical properties similar to dyes, such as photoluminescence, photoconductivity, and nonlinear optics. Polymer/macromolecule semiconductor building blocks can be used to make light-emitting diodes, field effect transistors ...
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Alfa Chemistry - Small Molecule Semiconductor Building Blocks for Semiconductors
Small molecule semiconductor building blocks have special optoelectronic properties that are different from inorganic or polymer semiconductor materials. Compared with inorganic semiconductor materials, there are many types of small-molecule semiconductor materials, and there is a lot of room for the choice of material types. Secondly, molecular synthesis and ...
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Alfa Chemistry - Liquid and Vapor Deposition Precursors for Semiconductors
Liquid and vapor deposition precursors are essential raw materials in the process of liquid deposition and vapor deposition. Their selection and use play a critical role in the quality and performance of the resulting thin films or coatings. Proper handling, storage and use of these chemicals is a critical way to ensure the safety of personnel and the final ...
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Alfa Chemistry - Donor-Acceptor (DA) Type Monomers For Semiconductors
Donor-acceptor (DA) conjugated polymers are a class of semiconducting polymers/macromolecular materials formed by alternate conjugation of donor units and acceptor units. The biggest advantage of DA polymer/macromolecular semiconductor materials lies in the tunability of their own properties, which can improve solubility, photophysical properties, electrochemical properties, ...
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Alfa Chemistry - MOFs & MOF Raw Materials For Hydrogen Storage
MOFs & MOF Raw Materials For Hydrogen Storage: MOFs have potential practical application value in gas storage, separation, catalysis, magnetism, nonlinearity, luminescence and other aspects, especially their excellent performance in low temperature hydrogen storage. Therefore, in recent years, MOFs have become the research focus of new hydrogen storage ...
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Alfa Chemistry - Metal Salts For Hydrogen Storage
Metal Salts For Hydrogen Storage: Alfa Chemistry can provide Metal Salts for customers. Cadmium nitrate tetrahydrate, 99% (ACS) Chromium(III) chloride, anhydrous Dysprosium(III) chloride, anhydrous (99.9%-Dy) (REO) Erbium(III) chloride hydrate Indium(III) Chloride Lanthanum(III) chloride hydrate Cobalt(II) sulfate ...
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Alfa Chemistry - Nitrogenated Organic Linkers For Hydrogen Storage
Nitrogenated Organic Linkers For Hydrogen Storage: Alfa Chemistry can provide Nitrogenated Organic Linkers for customers. To name just a few here: 1,4-Di(4'-pyrazolyl)benzene, min. 97% H2BDP, 2,2'-Bipyrazine, 1,4-Di(4-pyridyl)benzene, Ethane diamine cycloimine organic cage, 1,2-Di(4-pyridyl)ethylene, Dimethyl-2,2'-bipyridine-6,6'-dicarboxylate, 97%, ...
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Alfa Chemistry - Perovskite Precursors For Solar Energy
Perovskite Precursors For Solar Energy: Perovskite precursors are generally obtained by mixing halide salts, organic components, inorganic components and additives. Among them, halide salts, organic components and inorganic components are the raw materials for preparing perovskite materials, and additives are substances that regulate the properties of target ...
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Alfa Chemistry - Perovskite Materials For Solar Energy
Perovskite Materials For Solar Energy: In the multilayer structure of perovskite solar cells (PSCs), the core is the photoactive layer that absorbs light. The main active material in the photoactive layer is a perovskite thin film, which is prepared from a perovskite material (chemical formula is AMX3, where A and M are two cations with large differences in size, and X is an anion combined with ...
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Alfa Chemistry - Hole Transport Materials (HTM) For Solar Energy
Hole Transport Materials (HTM) For Solar Energy: Hole transport material (HTM) is a kind of selective high-rate hole transport material that transports the holes generated by the perovskite layer to the anode. The introduction of HTM materials with excellent optoelectronic and physical properties into perovskite solar cells can improve device stability, lifetime, and performance, while ...
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Alfa Chemistry - Alternative Energy: Magnesium For Hydrogen Storage
Magnesium For Hydrogen Storage: magnesium-based hydrogen storage alloy is a kind of material that can store a large amount of hydrogen in the gap of crystal. Moreover, magnesium is the lightest metal of structural materials and is the sixth most abundant in the earth's crust. Hence, magnesium-based materials form a unique group of materials from the perspective of hydrogen ...
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Alfa Chemistry - Materials for Renewable & Alternative Energy
Material science is the science of researching organizational structure, nature, production process, the use efficiency of materials, and the interrelationship between them and physics, chemistry and metallurgy. Material science is an application science which is inseparable from engineering technology. Learn more at ...
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Alfa Chemistry - Tertiary Arylamines For Semiconductors
Tertiary arylamines compounds are a very important class of organic molecules, which are widely used in pharmaceutical intermediates, dye chemicals, organic materials and other fields. In the field of semiconductors, tertiary arylamines materials have significant advantages such as better electron donating properties, lower ionization potential, higher hole mobility, and better solubility. These ...
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Alfa Chemistry - Solid Oxide Fuel Cell Materials for Alternative Energy Industry
Solid Oxide Fuel Cell Materials: Solid oxide fuel cell (referred to as SOFC) belongs to the third generation fuel cell. It is a kind of all-solid-state chemical power generation device that can directly convert the chemical energy stored in fuel and oxidant into high-efficiency and environmentally friendly electric energy at medium and high temperatures. It is widely regarded as a kind of fuel ...
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Alfa Chemistry - General Materials & Solvents For Solar Energy
General Materials & Solvents For Solar Energy: As the source of all the energy of the earth, solar energy has received more and more attention. Solar cells are devices that directly convert light energy into electrical energy through photoelectric or photochemical effects, and then the electrical energy can be converted into thermal energy, light energy and other forms for utilization, so ...
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Alfa Chemistry - Acceptor Materials For Solar Energy
Acceptor Materials For Solar Energy: Acceptor materials with excellent performance generally have the following conditions: (1) strong and wide absorption in the visible light region; (2) longer exciton diffusion length, so that excitons can efficiently migrate to the donor-acceptor interface; (3) higher LUMO energy level; (4) higher electron mobility; (5) good charge transfer ability. The ...
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Alfa Chemistry - Photovoltaic Product Testing
Photovoltaic Product Testing: there will be an increased need for photovoltaic testing services to confirm new products meet consumer demands for safety and performance, which also require an increase of regulatory ...
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Alfa Chemistry - Lithium-Ion Battery Testing
Lithium-Ion Battery Testing: While today's lithium-ion battery technologies take advantages of cost-effectiveness, long cycle life, better power efficiency, as well as environmentally friendly, the growing demand for more sustainable alternative energy sources is a driver of research and development efforts of higher-performing battery products. As a global leading company in battery and ...
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Alfa Chemistry - Photolithography for SEMICONDUCTOR INDUSTRY
Photolithography is a photographic process by which a photosensitive polymer called a photoresist is exposed and developed to form a three-dimensional relief image on a substrate. The general processing steps of a typical photolithography process are as follows: substrate preparation, photoresist spin coating, pre-baking, exposure, post-exposure baking, development and post-baking. After the resist pattern is ...
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Alfa Chemistry - Biofuels for Energy Industry
Synthetic biology-driven manufacturing of bioenergy is from the renewable biomass resources and will reduce the net emission of greenhouse CO2. It is of great significance to the sustainable development of the economy and society. Alfa Chemistry is a professional supplier of biofuels including bioethanol, biodiesel, and biosynthesized higher ...
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Alfa Chemistry - biobased products used in bioenergy field
n view of the excessive use of fossil energy which damage to the air and vegetation, a renewable bioenergy draws more and more attention. Biomass energy is energy generated by living or once-living organisms. The most common biomass materials used for energy are plants, such as corn and soy. Alfa Chemistry is a professional supplier of biobased products used in bioenergy ...
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Alfa Chemistry - Application of Foam Materials in Battery Electrode
Electrodes are conductors by which electrons flow through to generate a current. Large surface area, high electrical conductivity, and abundant channels have been recognized to be essential characteristics of the electrode materials. Thus, as with 3D-reticulate structure, high porosity, high specific surface area and uniform mass, foamed metals, alloys and conductive carbon materials are ideal options for battery electrodes. The
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Alfa Chemistry - Battery Electrolytes For Energy Storage & Batteries
As an important medium for ion conduction in secondary batteries, electrolyte has an important impact on improving the performance of secondary batteries such as cycle stability and safety. Battery electrolytes come in many forms, such as non-aqueous liquids (organic solvents and ionic liquids), colloids, organic solids, and inorganic solids. At present, secondary battery products mainly use ...
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Alfa Chemistry - Cathode Materials For Energy Storage & Batteries
In order to achieve a sustainable future, renewable energy and green energy conversion technologies are urgently needed. Fuel cells have the advantages of high fuel flexibility, low cost, high safety and stability, which has great development prospects in energy conversion, storage and other fields. Cathode material is an important part of fuel cell, which is the site of oxygen reduction reaction. ...
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Alfa Chemistry - Lanthanum-nickel alloy for Hydrogen Storage
Lanthanum-nickel alloy (LaNi5) can be used as a catalyst for the synthesis of multi-walled carbon nanotubes (MWNTs) by chemical vapor deposition (CVD). It can also be used for hydrogen storage ...
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Alfa Chemistry - Borane Triethylamine Complex for Hydrogen Storage
Borane triethylamine complex (CAS 1722-26-5) has numerous applications including chemical synthesis of silylboranate and other compounds, liquid hydrogen storage, and thin film deposition of boron carbonitride films via ...
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Alfa Chemistry - Analysis Of Silicon Wafer Solar Cells
Silicon wafer solar cells currently dominate the market. Advanced characterization plays an important role in further improving the cost-effectiveness of solar cells. A significant amount of information can be obtained from the silicon samples prior to and after completion of the silicon wafer solar cell. Alfa Chemistry has the current advanced characterization technology to analyze silicon ...
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Alfa Chemistry - Computer Aided Design for Photomasks in Semiconductor
Due to the need for independent resources, Alfa Chemistry provides cost-effective and professional-level computer-aided design (CAD) services for photomasks. We have a group of dedicated CAD staff in our New York office. Our services are very suitable for MEMS, medical, optics, photonics, RF and IR ...