CAJ | 학술논문

以氧化铟锡（ITO）透明导电玻璃为基体,在柠檬酸根存在下,采用恒电位电化学沉积法制备铂纳米粒子,并通过改变施加电位、柠檬酸钠浓度、前驱体浓度和电解质浓度来优化铂纳米粒子的制备条件.利用X射线衍射（XRD）表征在ITO表面沉积的Pt颗粒的晶相结构,并运用循环伏安法（CV）测定Pt/ITO电极在酸性介质中的电催化氧化性能.实验结果表明,在施加电位为-0.3V、H2PtCl6浓度为0.8mmol/L、柠檬酸钠浓度为20mmol/L和电解质HClO4浓度为0.1mol/L的条件下,制备出的铂纳米粒子的电催化性能较好.
이양화인석（ITO）투명도전파리위기체,재저몽산근존재하,채용항전위전화학침적법제비박납미입자,병통과개변시가전위、저몽산납농도、전구체농도화전해질농도래우화박납미입자적제비조건.이용X사선연사（XRD）표정재ITO표면침적적Pt과립적정상결구,병운용순배복안법（CV）측정Pt/ITO전겁재산성개질중적전최화양화성능.실험결과표명,재시가전위위-0.3V、H2PtCl6농도위0.8mmol/L、저몽산납농도위20mmol/L화전해질HClO4농도위0.1mol/L적조건하,제비출적박납미입자적전최화성능교호.
An indium tin oxide(ITO) electrode is used as the substrate for supporting Pt particles prepared by potentiostatic method with citric acid root.By changing the applied potential,citric acid sodium concentration,precursor concentration and electrolyte concentration to optimize platinum nanoparticles preparation conditions.Using X-ray diffraction(XRD) to represent the crystal phase structure of Pt particle deposited on the ITO,using cycle volt ampere(CV) to determine the electric catalytic oxidation performance of Pt/ITO electrode in acid medium.The experimental results show that the preparation conditions of better electrocatalytic performance of the platinum nanoparticles is the applied potential of-0.3V,H2PtCl6 concentration is 0.8 mmol/L,citric acid sodium concentration is 20 mmol/L and electrolyte HClO4 concentration is 0.1 mol/L.