Continuous growth and improved PL property of ZnO nanoarrays with assistance of polyethylenimine.


Recent studies show that polyethylenimine (PEI) benefits the hydrothermal growth of ZnO nanorod arrays due to its effect on chelating Zn(2+) ions and selectively absorbing on the crystal facets. In the present work, PEI is found to play more complex roles during the growth. The observation on the solution color and the UV-VIS and FTIR spectra demonstrate a… (More)
DOI: 10.1039/c3nr00559c


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