以电化学方法制备了多孔硅材料并通过表面轮廓测试仪、原子力显微镜、显微拉曼光谱仪等设备对制备多孔硅的孔隙率、厚度、表面形貌、以及热导率进行了表征.结果发现,本实验制备的多孔硅属于介孔硅(15~20nm),其孔隙率随腐蚀时间和腐蚀电流的变化有先增大后减小的趋势.增加多孔硅的厚度和孔隙率,可以使得多孔硅的热导率显著降低(最低可低至0.62W/m·K).
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