Pyridine is a six-membered heterocyclic compound containing one nitrogen heteroatom. Pyridine and piperidine are the most frequently occurring heterocyclic building blocks in drug molecules. According to incomplete statistics, there are currently more than 180 drugs containing pyridine or piperidine structure that have been marketed, nearly 1/5 of the drugs approved for marketing in recent years contain these two structures.
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Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom. It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell.
Solar Cell Materials refers to the materials used in the construction and functioning of solar cells. These materials play a crucial role in converting sunlight into electrical energy through the photovoltaic effect. Some common solar cell materials include: perovskite-based solar cells (PSCs) materials, dye-sensitized solar cells (DSSCs) materials, organic photovoltaic (OPV) materials. It's important to note that ongoing research and development in solar cell materials aim to improve efficiency, reduce costs, and explore new alternatives for sustainable energy generation.
Hydrogen storage materials are materials which can store and release hydrogen gas. These materials are important for the development of hydrogen fuel cell technology, as they allow for the safe and efficient storage of hydrogen. There are several types of hydrogen storage materials, including: 1. Sorbent Materials. Carbon-based materials such as nanotubes, fullerenes, graphene, mesoporous silica, metal-organic frameworks (MOFs), isoreticular metal-organic frameworks (IRMOFs), covalent-organic frameworks (COFs), and clathrates belong to this category. 2. Complex Hydrides. These consist of light metal hydrides and chemical hydrides. 3. Nanostructured materials. These are composed of functionalized sorbent materials as well as nanoparticles of complex hydrides. The development of efficient and cost-effective hydrogen storage materials is crucial for the widespread adoption of hydrogen fuel cell technology.