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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 ...

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 ...

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 ...

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 ...

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 enhancing ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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%, ...

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, the application of OLEDs is ...

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 and other devices. The preparation ...

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 products. ...

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 ...

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 ...

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 ...

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 ...

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 ...