采用醋酸铜-醋酸钠酸性溶液和硫酸铜-乳酸碱性溶液,分析了不同pH下电沉积Cu2O薄膜的形貌及结构,讨论了镀液体系及溶液pH对Cu2O薄膜生长的影响,测定了不同形貌的Cu2O薄膜的光学透射性能.结果表明,溶液的氢氧根、羧基、羟基中的氧原子会影响Cu2O薄膜的结构及形貌.酸性溶液中,Cu2O薄膜易形成混晶结构;而碱性溶液中,随着pH的变化,Cu2O薄膜有不同的择优取向.酸性溶液中Cu2O薄膜形成网状结构,碱性溶液中易形成锥形结构.
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