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金属镍基质上直立六边形NiO纳米片的制备与光催化性能 被引量:5

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摘要 通过金属镍片与草酸钠的碱性溶液于140℃水热反应24h,在金属镍片表面原位生长出大面积直立的六边形Ni(OH)2纳米片,经600℃退火2h后得到六边形NiO纳米片.采用X射线衍射仪、扫描电子显微镜和透射电子显微镜对产物进行了表征.结果表明,六边形Ni(OH)2纳米片为六方相单晶结构,厚度大约在200~500nm范围,对角线的长度大约在1.6~3.6μm范围,六边形NiO纳米片为立方相单晶结构.研究了草酸钠在六边形Ni(OH)2纳米片形成过程中的作用以及六边形NiO纳米片的光催化特性,提出了可能的生长机理,发现六边形NiO纳米片对空气和双氧水氧化甲基橙具有一定的光催化作用.
出处 《科学通报》 EI CAS CSCD 北大核心 2007年第17期2015-2020,共6页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:20573072) 教育部博士点基金(批准号:20060718010)资助项目
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参考文献26

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