利用激光诱导换膜的方法在氧化钛基体上制备出了银铜双金属薄膜,通过控制激光加工的参数和银铜成分制备出样品.用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、高分辨率透射电子显微镜(HRTEM)和J-V曲线分别对加工前后样品的结构、形貌及光伏性质进行了表征.结果表明:随着溶液中Cu2+浓度的增加,在ITO玻璃上所制备的银铜纳米枝晶的尺寸减小;利用激光诱导换膜工艺,可以在氧化钛基体上制备出银铜双金属薄膜;相比氧化钛膜,在氧化钛膜上沉积银铜双金属薄膜的光阳极具有更高的短路电流密度和开路电压;随着激光加工功率的增大,氧化钛膜上的银铜颗粒变小,光阳极的短路电流密度和开路电压均有增大,但是当激光加工功率很大时,其开路电压变小;在同一激光加工功率下,随着银铜双金属薄膜中银含量的增大,其短路电流密度和开路电压均有增大.
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