نتایج جستجو برای: phosphonic acids
تعداد نتایج: 265789 فیلتر نتایج به سال:
We report the synthesis and the optoelectronic characterization of three new 4H-pyran-4-ylidene and thiazole derivatives (pyt) as metal-free organic dyes for solid-state dye-sensitized solar cells (DSSCs). We investigate the performance and the long-term stability of devices employing pyt dyes functionalized with carboxylic and phosphonic acids as TiO2 anchoring groups. In contrast to reports o...
Tetrapod-shaped CdSe(core)/CdTe(arms) colloidal nanocrystals, capped with alkylphosphonic acids or pyridine, were reacted with various small molecules (acetic acid, hydrazine and chlorosilane) which induced their tip-to-tip assembly into soluble networks. These networks were subsequently processed into films by drop casting and their photoconductive properties were studied. We observed that fil...
State-of-the-art automotive fuel cells that operate at about 80 °C require large radiators and air intakes to avoid overheating. High-temperature above 100 under anhydrous conditions provide an ideal solution for heat rejection in heavy-duty vehicle applications. Here we report protonated phosphonic acid electrodes remarkably improve the performance of high-temperature polymer electrolyte membr...
Nucleoside Phosphonic Acids in Thymidine Phosphorylase Inhibition: Structure - Activity Relationship
Phosphonodepsipeptides are phosphorus analogues of depsipeptides and phosphonate-linked naturally occurring peptides. They more stable than phosphonopeptides have been widely applied as enzyme inhibitors, haptens for the production antibodies, biological agents, prodrugs. The synthetic strategies towards phosphonodepsipeptides reviewed, including phosphonylation hydroxy esters with phosphonochl...
Amino phosphonic acids are good heavy metal extractants for liquid–liquid extraction, but this method requires the use of an organic solvent, which is itself a pollutant. The incorporation these in solid supports gave us opportunity to find solution problem. synthesis new material by Amino-Cyclo-Hexyl Phosphonic Acid into interlayer space Ni/Al-LDH, designated as Ni/Al-ACHPA, was carried out co...
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