期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 17, 期 10, 页码 2923-2930出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201002235
关键词
NMR spectroscopy; optical properties; oriented attachment; poly-N-vinylpyrrolidone; ZnO mesocrystals
资金
- BASF
- Deutsche Forschungsgemeinschaft through the Cluster of Excellence Engineering of Advanced Material initiative at the Friedrich Alexander University of Erlangen-Nuremberg
Polymers and coordinating solvents have been shown to serve as templating agents to assist the precipitation of ZnO nanoparticles and address their morphology. In this work we show for the first time that a difference in the coordination strength between the polymer (poly-N-vinylpyrrolidone (PVP)) and the two Zn-II precursor salts (nitrate and acetate) is able to promote or suppress the formation of mesocrystalline structures and even more importantly to tune their three-dimensional organization. On the basis of FTIR and C-13 NMR spectroscopic studies, we propose that not only the polymer (PVP) but also the solvent (DMF) play a key role as directing agents.
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