摘要:本文以钛酸四丁酯为前躯体,结合溶胶-凝胶法和水热法,制备了Gd^3+掺杂的TiO2纳米管。采用TG-DSC、XRD、TEM、UV-Vis等分析手段,对Gd^3+掺杂的TiO2纳米管进行表征,比较了制备条件相同的情况下纯TiO2纳米管与Gd^3+掺杂的TiO2纳米管晶型转变温度、形貌及UV-Vis吸收差别。结果表明,Gd^3+的掺杂有利于晶型转变的降低,管径的减小,管长的增长。UV-Vis吸收光谱表明掺杂后的产物的反射率明显的比纯TiO2纳米管的反射率减小,可见光区吸收增强,吸收边发生了明显的红移。
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Tsinghua Science and Technology Chinese Journal of Oceanology and Limnology Plasma Science and Technology Asian Journal of Andrology Control Theory and Technology World Journal of Gastroenterology Journal of Computer Science and Technology International Journal of Minerals Metallurgy and Materials Journal of Huazhong University of Science and Technology International Journal of Mining Science and Technology