以五水硫酸铜和1,10-邻菲咯啉为原料,采用液相沉淀法制备邻菲咯啉铜(Ⅱ)微纳米棒,研究 pH 值和温度对产物形貌和尺寸的影响.通过 XRD、SEM、UV-Vis、FT-IR、元素分析和荧光光谱表征产物的结构与性能.结果表明,硫酸铜溶液的 pH 值显著影响室温时反应产物的物相和形貌.当起始 pH 值为 2.0和5.0时,分别生成了微米级的花状和长片状的单斜品系[Cu(phen)(H2O)2]·SO4;当 pH 值上升至 9.0和11.0时,分别生成了平均直径172 nm 和253 nm 的[Cu(phen)(OH)]2SO4·5H2O 棒状结构.在 pH 值为9.0条件下,棒状产物的直径随着反应温度的降低而减小,4℃时可获得平均直径为87 nm 的纳米棒.此外,片状[Cu(phen)(H2O)2]·SO4 的荧光光谱相对于纳米棒状[Cu(phen)(OH)]2SO4·5H2O 出现蓝移和发射增强现象.
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