A large scale Palladium nanowire array was directly grown on the surface of glassy carbon electrode by direct current electrolysis with the help of anodic aluminum oxide template.High-resolved SEM photographs have ind...A large scale Palladium nanowire array was directly grown on the surface of glassy carbon electrode by direct current electrolysis with the help of anodic aluminum oxide template.High-resolved SEM photographs have indicated that the Palladium nanowire arrays were highly uniform and ordered.The diameter of single Pd nanowire was about 30 nm,which agreed well with the porous diameter of used template.Meanwhile,the electrocatalytic activity of Pd NWAs electrodes for ethanol oxidation in alkaline media was studied.It is found that the obtained nanostructurs exhibit excellent catalytic activity for ethanol.展开更多
A carbon glassy electrode modified by gold nanoparticles was prepared.The elect-rochemical behavior of hemoglobin on the modified electrode was investigated and it was found that the modified electrode has an obvious ...A carbon glassy electrode modified by gold nanoparticles was prepared.The elect-rochemical behavior of hemoglobin on the modified electrode was investigated and it was found that the modified electrode has an obvious electrocatalytic effects on the hemoglobin.The electrode shows a linear range of ipa(μA)=0.0981+2.7169c for hemoglobin in a HAcNaAc buffer medium of pH 4.6.The relative standard deviation for eight determinations of 1×10-5mol/L hemoglobin is 0.85 %.The modified electrode shows excellent stability and reproducibility.展开更多
用循环伏安法和SEM研究丙二醇对纳米气相二氧化硅胶体电解质性能的影响。添加丙二醇有利于提高电解质的充放电性能,但添加量应不高于0.05%。当丙二醇的添加量为0.05%时,可使气相二氧化硅的最佳分散时间缩短77.7%,胶体电解质具有更好的...用循环伏安法和SEM研究丙二醇对纳米气相二氧化硅胶体电解质性能的影响。添加丙二醇有利于提高电解质的充放电性能,但添加量应不高于0.05%。当丙二醇的添加量为0.05%时,可使气相二氧化硅的最佳分散时间缩短77.7%,胶体电解质具有更好的循环性能,以10 m V/s的速度在-1.3^-0.7 V循环100次后,峰电流为未添加时的2.77倍。SEM测试结果显示:添加丙二醇的胶体凝胶结构比未添加的更多孔、疏松。展开更多
文摘A large scale Palladium nanowire array was directly grown on the surface of glassy carbon electrode by direct current electrolysis with the help of anodic aluminum oxide template.High-resolved SEM photographs have indicated that the Palladium nanowire arrays were highly uniform and ordered.The diameter of single Pd nanowire was about 30 nm,which agreed well with the porous diameter of used template.Meanwhile,the electrocatalytic activity of Pd NWAs electrodes for ethanol oxidation in alkaline media was studied.It is found that the obtained nanostructurs exhibit excellent catalytic activity for ethanol.
文摘A carbon glassy electrode modified by gold nanoparticles was prepared.The elect-rochemical behavior of hemoglobin on the modified electrode was investigated and it was found that the modified electrode has an obvious electrocatalytic effects on the hemoglobin.The electrode shows a linear range of ipa(μA)=0.0981+2.7169c for hemoglobin in a HAcNaAc buffer medium of pH 4.6.The relative standard deviation for eight determinations of 1×10-5mol/L hemoglobin is 0.85 %.The modified electrode shows excellent stability and reproducibility.
文摘用循环伏安法和SEM研究丙二醇对纳米气相二氧化硅胶体电解质性能的影响。添加丙二醇有利于提高电解质的充放电性能,但添加量应不高于0.05%。当丙二醇的添加量为0.05%时,可使气相二氧化硅的最佳分散时间缩短77.7%,胶体电解质具有更好的循环性能,以10 m V/s的速度在-1.3^-0.7 V循环100次后,峰电流为未添加时的2.77倍。SEM测试结果显示:添加丙二醇的胶体凝胶结构比未添加的更多孔、疏松。
