Template-free, low temperature synthesis of binary and ternary metal oxide nanostructures

Sanjaya Brahma, Pallavi Arod, S. A. Shivashankar

研究成果: Conference contribution

1 引文 斯高帕斯(Scopus)

摘要

We report synthesis of some binary and ternary metal oxide nanostructures using microwave irradiation-assisted chemical synthesis, either in the presence or absence of a surfactant/structure directing agent. The method is simple, inexpensive, and yields nanoparticles of desired metal oxides in minutes, and requires no conventional templating. Nanoparticles of some functionally advanced binary/ternary metal oxides (MnO2, ZnO, CuO, ZnMn2O 4 etc) have been synthesized using metal acetylacetonates as the starting precursor material and microwave as the source of energy, in a process developed in detail in our laboratory. The nanoparticle size varies from 7-50 nm. Emphasis has been placed on the synthesis of ZnO nanostructures, particularly ZnO nanoshells, which do not require any surfactant/structure- directing agent for synthesis. There is a systematic variation in the morphology of the ZnO nanostructures with variation of process parameters, such as microwave power, microwave irradiation time, type of solvents, surfactants/structure-directing agents and its type and concentration. The as-prepared powder sample may either need a very brief exposure to heat to remove the surfactant or no post-synthesis processing, and is found to be well-crystallised. Determination of their crystallinity, actual shape, and orientation was made using X-ray diffraction, scanning electron microscopy (SEM) and transmission electron microscopy (TEM).

原文English
主出版物標題Oxide Nanoelectronics
頁面99-104
頁數6
DOIs
出版狀態Published - 2011
事件2010 MRS Fall Meeting - Boston, MA, United States
持續時間: 2010 十一月 292010 十二月 3

出版系列

名字Materials Research Society Symposium Proceedings
1292
ISSN(列印)0272-9172

Other

Other2010 MRS Fall Meeting
國家/地區United States
城市Boston, MA
期間10-11-2910-12-03

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業

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