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高分子自组装Mn₂O₃花瓣状纳米带、纳米线的研究

Synthesis of Mn₂O₃ Nanobelts like Petals and Nanowires via Polymer Self-assembling

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【Author】 Zou, Qiang,a,b Li, Fukuia Zhang, Zhishenga,b Li, Lingxiaa Wang, Huic Xue, Taoc Wang, Leia Ni, Hengkana(a School of Electronic and Information Engineering, Tianjin University, Tianjin 300072)(b Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, Tianjin University, Tianjin 300072)(c Analysis Center, Tianjin University, Tianjin 300072)

【机构】天津大学电子信息工程学院；天津大学先进陶瓷与加工技术教育部重点实验室；天津大学分析中心；

【摘要】通过控制热处理工艺条件,利用Mn(CH3COO)2和具有特殊空间构型的聚乙烯醇(PVA),在600℃合成了类花瓣状Mn2O3纳米带和纳米线结构.SEM,XRD表征分析证明Mn2O3纳米带结构为方铁锰矿晶型结构,沿(222)方向择优生长.分析了热处理工艺对一维纳米结构的影响机制.初步探讨了Mn2O3一维纳米结构的生长机理.更多还原

【Abstract】 Mn2O3 nanobelts like petals and nanowires were synthesized from manganese acetate Mn(CH3COO)2 and polyvinyl alcohol(PVA) with special space structures at 600 ℃, controlling the hyperthermic treatment process.The analytical results of SEM and XRD indicate that the Mn2O3 nanobelts possess a bixbyite structure with preferred orientation along the(222) direction of Mn2O3.The effect of the hyperthermic treatment condiction on Mn2O3 one-dimensional nano-structure were discussed.Preliminary growth mechanics of the Mn2O3 one-dimensional nano-structure was proposed.更多还原