用水热法在二氧化钛纳米管上负载纳米铂微粒,制备出大比表面积、高表面原子数的载铂二氧化钛纳米管电极.SEM和XRD分析证明纳米管上已负载20~30nm的铂微粒.循环伏安测试结果表明:不含染料的体系中,载铂二氧化钛纳米管电极在0.13 V处的氧化峰电流密度为Pt片电极的10倍;含染料的体系中,载铂二氧化钛纳米管电极上对酸性大红GR的氧化峰电流密度达到Pt片电极上的4.2倍.对酸性大红GR的降解实验表明,载铂二氧化钛纳米管电极催化活性高、降解快速高效.
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