The product, Factory Supply Formamidinium iodide cas 879643-71-7 With Best Price, is a well - known chemical compound. Its chemical formula is C₂H₅IN₂. Formamidinium iodide is a white to off - white crystalline powder under normal conditions. It has a high degree of purity, usually above 99% in our factory supply. The melting point of formamidinium iodide is around 168 - 170°C. It is soluble in polar solvents such as water and methanol, but has limited solubility in non - polar solvents. This compound is highly hygroscopic, which means it can absorb moisture from the air. Therefore, it should be stored in a dry, air - tight container at room temperature to maintain its quality and stability.
Formamidinium iodide has a wide range of applications in the field of materials science and organic synthesis. One of the most significant uses is in the preparation of perovskite solar cells. In perovskite solar cells, formamidinium iodide can be used as a key component to form the perovskite light - absorbing layer. The perovskite materials formed with formamidinium iodide have excellent optoelectronic properties, such as high light absorption coefficients, long charge - carrier diffusion lengths, and appropriate bandgaps, which are beneficial for improving the conversion efficiency of solar cells.
It is also used in organic synthesis reactions. As a source of formamidinium ions, it can participate in various chemical reactions, such as the synthesis of heterocyclic compounds. The unique structure of formamidinium iodide allows it to react with other reagents to form new chemical substances with special structures and functions.
When using formamidinium iodide, appropriate safety measures should be taken. Due to its hygroscopic nature, it should be taken out from the storage container in a dry environment. It is recommended to use a glove box filled with an inert gas, such as nitrogen, to prevent moisture absorption during weighing and transfer.
In the preparation of perovskite solar cells, formamidinium iodide is usually dissolved in a suitable solvent, such as N,N - dimethylformamide (DMF) or dimethyl sulfoxide (DMSO), to form a precursor solution. The concentration of the solution needs to be accurately controlled according to the specific experimental requirements. After the solution is prepared, it can be deposited on the substrate by methods such as spin - coating or blade - coating to form the perovskite layer.
In organic synthesis, formamidinium iodide is added to the reaction system according to the stoichiometric ratio of the reaction. The reaction conditions, such as temperature, reaction time, and solvent, need to be carefully optimized to ensure the smooth progress of the reaction and high yields.
Case 1: A research group in a university was dedicated to improving the efficiency of perovskite solar cells. They used our factory - supplied formamidinium iodide to prepare the perovskite light - absorbing layer. By precisely controlling the concentration of the formamidinium iodide precursor solution and the spin - coating parameters, they successfully fabricated perovskite solar cells with a power conversion efficiency of up to 23%. The high - purity formamidinium iodide ensured the formation of a high - quality perovskite film, which had a smooth surface and fewer defects, thus improving the device performance.
Case 2: An organic synthesis laboratory wanted to synthesize a new type of heterocyclic compound. They used formamidinium iodide as a key intermediate. Through a multi - step reaction process, they successfully obtained the target compound with a yield of 70%. The reaction conditions, including the choice of solvent and reaction temperature, were optimized based on the properties of formamidinium iodide. The unique reactivity of formamidinium iodide enabled the formation of the desired heterocyclic structure, demonstrating its potential in organic synthesis.
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