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Issue 11, 2015
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Solvothermal synthesis of hierarchical Eu2O3 nanostructures templated by PS-b-PMAA: morphology control via simple variation of water contents

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Abstract

A new method to synthesize hierarchical Eu2O3 nanostructures via a solvothermal process in N,N′-dimethyl formamide (DMF) templated by an ionic amphiphilic diblock copolymer polystyrene-block-poly (methacrylic acid) (PS-b-PMAA) has been developed. By simply varying the mass ratio of H2O over DMF from 0 to 20 wt% in the polymer–salt mixed solution, a series of Eu2O3 morphologies including worm-like nanoparticles, nanoparticulate mesoporous microspheres, staggered sheets, and sheet-built microspheres are synthesized. The mechanism of the morphology control is the combined effect of both, guiding the europium salt in the PMAA domains of the micro-phase separated/self-assembled PS-b-PMAA, and the hydrolysis–condensation process associated with the solvothermal treatment step.

Graphical abstract: Solvothermal synthesis of hierarchical Eu2O3 nanostructures templated by PS-b-PMAA: morphology control via simple variation of water contents

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Publication details

The article was received on 25 Dec 2014, accepted on 04 Feb 2015 and first published on 05 Feb 2015


Article type: Communication
DOI: 10.1039/C4TA07122K
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. A, 2015,3, 5789-5793
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    Solvothermal synthesis of hierarchical Eu2O3 nanostructures templated by PS-b-PMAA: morphology control via simple variation of water contents

    Y. Xiao, X. Wang, T. Wagner, J. Thiel, Y. Yao, Y. Lin, E. Metwalli, R. Liu, H. J. Butt, P. Müller-Buschbaum, J. Meng, L. Chen, L. Sun, C. Yan and Y. Cheng, J. Mater. Chem. A, 2015, 3, 5789
    DOI: 10.1039/C4TA07122K

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