Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 1119-94-4, Name is Dodecyl trimethyl ammonium bromide, SMILES is CCCCCCCCCCCC[N+](C)(C)C.[Br-], belongs to bromides-buliding-blocks compound. In a document, author is Alam, Firoz, introduce the new discover, HPLC of Formula: https://www.ambeed.com/products/1119-94-4.html.
Eu2+: A suitable substituent for Pb2+ in CsPbX3 perovskite nanocrystals?
Eu2+ is used to replace toxic Pb2+ in metal halide perovskite nanocrystals (NCs). The synthesis implies injection of cesium oleate into a solution of europium (II) bromide at an experimentally determined optimum temperature of 130 degrees C and a reaction time of 60 s. Structural analysis indicates the formation of spherical CsEuBr3 nanoparticles with a mean size of 43 +/- 7 nm. Using EuI2 instead of EuBr2 leads to the formation of 18-nm CsI nanoparticles, while EuCl2 does not show any reaction with cesium oleate forming 80-nm EuCl2 nanoparticles. The obtained CsEuBr3 NCs exhibit bright blue emission at 413 nm (FWHM 30 nm) with a room temperature photoluminescence quantum yield of 39%. The emission originates from the Laporte-allowed 4f (7)-4f (6)5d(1) transition of Eu2+ and shows a PL decay time of 263 ns. The long-term stability of the optical properties is observed, making inorganic lead-free CsEuBr3 NCs promising deep blue emitters for optoelectronics. Published under license by AIP Publishing.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 1119-94-4 is helpful to your research. HPLC of Formula: https://www.ambeed.com/products/1119-94-4.html.