A versatile solution-phase, precursor route to surface-mazelike hierarchical structures

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• 作者：Ji Ma (1)
  Lianchao Han (1)
  Kezheng Chen (1)
  
  1. Lab of Functional and Biomedical Nanomaterials ; College of Materials Science and Engineering ; Qingdao University of Science and Technology ; Qingdao ; 266042 ; China
  
• 关键词：hierarchical structure ; versatile precursor route ; mazelike ; solvothermal ; adsorption
• 刊名：SCIENCE CHINA Chemistry
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：58
• 期：4
• 页码：620-626
• 全文大小：3,503 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Chinese Library of Science
  Chemistry
  
• 出版者：Science China Press, co-published with Springer
• ISSN：1869-1870

文摘

In this work, surface-mazelike ZnO, Cu, and Ni hierarchical structures were synthesized via a versatile ethylene glycol-mediated solvothermal method. The structure evolution of these materials bore striking similarities, including (1) initial formation of metal alkoxides precursors and (2) subsequent structural evolution of products from tiered plates to jigsaw puzzles; then to extrusion ridges, nests and spindles; and thereafter to final mazelike structures driven by persistent thermal decomposition of preformed precursors. Based on their unique surface morphologies in sinuous asymmetry, it is anticipated that such mazelike hierarchical structures may shed new light on the development of morphology-controlled adsorption and heterogeneous catalysts.