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材料导报  2021, Vol. 35 Issue (Z1): 112-115    
  无机非金属及其复合材料 |
电解液的循环使用对阳极氧化Ta2O5纳米管形貌的影响
杨帅1, 刘施峰1,2, 张静1, 柳亚辉1, 邓超1,2, 祝佳林1
1 重庆大学材料科学与工程学院,重庆 400044
2 重庆大学电子显微镜中心,重庆 400044
Effect of Recycle of Electrolyte on the Morphology of Anodized Ta2O5 Nanotubes
YANG Shuai1, LIU Shifeng1,2, ZHANG Jing1, LIU Yahui1, DENG Chao1,2, ZHU Jialin1
1 College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
2 Electron Microscopy Center of Chongqing University, Chongqing 400044, China
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摘要 以高纯钽片为原料,将其依次放入体积比为9∶1的H2SO4/HF电解液中进行阳极氧化,制备了五氧化二钽(Ta2O5)纳米管。采用扫描电子显微镜(SEM)表征了第2、10、25、35、50片上制备的Ta2O5纳米管的形貌,研究了电解液的循环使用对阳极氧化Ta2O5纳米管形貌的影响规律。实验结果表明,随着电解液循环使用次数的增加,Ta2O5纳米管顶部由团簇变为松散、管长变长、管径基本保持稳定,纳米管之间缝隙逐渐增大,这都与电解液中溶质F-的浓度及分布均匀性的变化相关。
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杨帅
刘施峰
张静
柳亚辉
邓超
祝佳林
关键词:  电解液  循环使用  阳极氧化  Ta2O5纳米管    
Abstract: The high purity tantalum sheets were successively put into a H2SO4/HF electrolyte with a volume ratio of 9∶1 for anodic oxidation to prepare Ta2O5 nanotubes. Scanning electron microscopy (SEM) was used to characterize the morphology of Ta2O5 nanotubes prepared on the 2nd, 10th, 25th, 35th and 50th sheets. The effect of electrolyte recycling on the morphology of anodized Ta2O5 nanotubes and its regularity were studied. The experimental results show that the top of Ta2O5 nanotubes changes from cluster to loose, the length of the nanotubes becomes longer, the diameter is stable and the gap among nanotubes increases gradually with the using of electrolyte, which are related to the concentration of F- and it's distribution uniformity in electrolyte.
Key words:  electrolyte    recycling    anodic oxidation    Ta2O5 nanotubes
                    发布日期:  2021-07-16
ZTFLH:  TB34  
基金资助: 重庆市基础科学与前沿技术研究项目(cstc2017jcyjAX0094);科技部国家重大专项项目(2011ZX02705)
通讯作者:  liusf06@cqu.edu.cn   
作者简介:  杨帅,重庆大学材料科学与工程学院硕士研究生,主要研究方向为放电等离子烧结(SPS)制备高介电常数五氧化二钽(Ta2O5)陶瓷。刘施峰,重庆大学材料科学与工程学院副教授,博士研究生导师。在国内外学术期刊上发表论文50余篇,其团队主要研究方向包括:集成电路制造用溅射靶材微观组织及织构优化研究、六方结构金属及合金的形变机理与织构研究以及先进材料制备与加工技术。近年来主持了多项国家及省部级项目,主持完成国家自然科学基金青年基金项目,并以项目骨干参与完成科技部国家重大专项项目。
引用本文:    
杨帅, 刘施峰, 张静, 柳亚辉, 邓超, 祝佳林. 电解液的循环使用对阳极氧化Ta2O5纳米管形貌的影响[J]. 材料导报, 2021, 35(Z1): 112-115.
YANG Shuai, LIU Shifeng, ZHANG Jing, LIU Yahui, DENG Chao, ZHU Jialin. Effect of Recycle of Electrolyte on the Morphology of Anodized Ta2O5 Nanotubes. Materials Reports, 2021, 35(Z1): 112-115.
链接本文:  
http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2021/V35/IZ1/112
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