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水体系中,以十六烷基三甲基溴化铵(CTAB)和L-精氨酸为表面活性剂,抗坏血酸还原PdCl42-,制得了直径范围在50~80 nm之间的辐射状钯纳米花.实验表明,CTAB和L-精氨酸对辐射状钯纳米花的形成起着协同作用.此外,还研究了辐射状钯纳米花对甲酸氧化的电催化活性.在0.5 mol/L H2SO4+0.5 mol/L HCOOH溶液中的循环伏安结果表明,辐射状钯纳米花修饰电极在酸性溶液中电催化氧化甲酸的峰电流密度约为101 mA/mg,明显优于实心钯纳米粒子修饰的电极(峰电流密度为50 mA/mg),且表现出较高的稳定性.
Water system, cetyltrimethylammonium bromide (CTAB) and L-arginine as surfactants, ascorbic acid reduction PdCl42-, the diameter range of 50 ~ 80 nm in the form of radial palladium nano The experiments showed that CTAB and L-arginine had a synergistic effect on the formation of radial palladium nanoflower.In addition, the electrocatalytic activity of radiant palladium nanoflowers on the oxidation of formic acid was also studied.In the presence of 0.5 mol / L H2SO4 + The results of cyclic voltammetry in 0.5 mol / L HCOOH solution showed that the peak current density of the electrocatalytic oxidation of formic acid on the electrode surface was about 101 mA / mg, which was significantly better than that of the solid-state Pd nanoparticle-modified electrode (Peak current density of 50 mA / mg), and showed higher stability.