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SYNTHESIS AND CHARATERIZATION OF Cr, N-CODOPED TITANATE ANOTUBES WITH VISIBLE LIGHT RESPONSE
Author(s): YU Ai-min, SHEN Wen-wen, MIAO Shuang, SUN Xiao-hong, ZHANG Fu-xiang, GUAN Nai-jia
Pages: 245-
248
Year: 2008
Issue:
z1
Journal: ACTA PETROLEI SINICA(PETROLEUM PROCESSING SECTION)
Keyword: 可见光响应; Cr; N-共掺杂; 钛酸盐; 纳米管;
Abstract: 以低温溶剂热法合成的Cr,N-共掺杂的TiO2为前驱体,采用水热法合成了可见光响应Cr,N-共掺杂钛酸盐纳米管;采用XRD、TEM、BET等手段对其结构进行了表征,并采用XPS、Uv-Vis等手段对Cr、N的存在方式和样品的可见光响应进行了测定.结果表明.采用这种方法合成的可见光响应Cr,N-共掺杂钛酸盐纳米管具有6~7 nm的均一孔径和较大的比表面积(400 m2/g),并且具有钛酸盐的典型结构特征;Cr和N分别以Cr(Ⅲ)和O-Ti-N的状态存在;合成的样品具有比离子交换法和未交换样品更强的可见光响应.
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