陕西科技大学学报（自然科学版）2016，Vol.34Issue(3)：55-59,81,6.
还原氧化石墨烯/过氧化聚吡咯膜负载氢氧化钴修饰电极检测过氧化氢
Determination of hydrogen peroxide using a modified electrode composed of Co(OH)2 loaded on the reduced graphene and overoxidized polypyrrole film
摘要
Abstract
A chemically modified electrode composed of Co(OH)2 loaded on reduced graphene and overoxidized polypyrrole composite film (Co(OH)2-ERGO-OPpy/CCE)was fabricated by two steps electrochemical method.The electrochemical behavior and element composition of this modified electrode was studied carefully by using electrochemical and EDS tech-niques.Furthermore,the electrocatalytic activity of this modified electrode1 for the oxidation of hydrogen peroxide was also investigated in 0.10 mol·L-1 B-R buffer (pH 9.0).The re-sults showed that a strong electrocatalytic activity and good selectivity was obtained under the synergic action of Co(OH)2 ,ERGO and OPpy.Under the optimum conditions,the linear range for the determination of hydrogen peroxide by amperometry was in the range of 2.0×10-7~4.9×10-4 mol·L-1.The detection limit and sensitivity was 7.0×10-8 mol·L-1 (3sb,n=11)and 163μA·(m mol·L-1 )-1 ,respectively.This modified had some attractive analytical features such as low detection limit,wide linear range,as well as good selectivity.关键词
还原氧化石墨烯/过氧化聚吡咯/氢氧化钴/过氧化氢Key words
reduced graphene oxide/overoxidized polypyrrole/Co(OH)2/hydrogen peroxide分类
化学引用本文复制引用
乔金丽,高小玲,徐娜,于浩..还原氧化石墨烯/过氧化聚吡咯膜负载氢氧化钴修饰电极检测过氧化氢[J].陕西科技大学学报（自然科学版）,2016,34(3):55-59,81,6.基金项目
陕西省教育厅专项科研计划项目(14JK1832) （14JK1832）
延安市科技局工业攻关项目(2014KG-01) （2014KG-01）
