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中文摘要：
采用电化学腐蚀的方法成功地制备了厚膜p型宏孔多孔硅。氢氟酸和二甲基甲酰胺按体积比1：4组成电化学腐蚀的溶液。通过在不同条件下制备的多组样品，得出了多孔硅生长速度与电流密度以及腐蚀厚度与腐蚀时间的函数关系。通过ESEM对所制样品进行了表面的截面形貌分析，得出30mA/cm^2-50mA/cm^2的阳极电流密度是制备高质量厚膜p型宏孔多孔硅的最佳条件。
英文摘要：
Thick p-type macropore porous silicon was successfully fabricated with a typical electrochemical etching method. The mixed solution of HF and organic dirnethylformamide with a volume ratio of 1：4 was used as the electrolyte in this experiment. The relationships of growth rate as a function of current density and anodization duration for thickness of PS were concluded. ESEM observation confirmed the high quality thick p-type macropore porous silicon could be grown under the optimal anodic current density range of 30 mA/cm^2-50 mA/cm^2.
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