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Issue 12, 2012
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Large-area, crack-free polysilazane-based photonic crystals

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Large-area, crack-free inverse opal photonic crystals were successfully fabricated by conventional colloidal self-assembly method with poly(St-MMA-AA) as the opal template and a thermosetting polysilazane as the infiltrating polymer. The phenomenon of self-healing of cracks in the opal template was observed and attributed to the unique rheology property of the used polysilazane. Under an optimized pyrolysis condition, a hybrid inverse opal photonic crystal with its refractive index at 2.21, filling fraction of the solid material at 0.66, and area around 8 mm × 10 mm was prepared.

Graphical abstract: Large-area, crack-free polysilazane-based photonic crystals

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Supplementary files

Article information

11 Oct 2011
31 Jan 2012
First published
15 Feb 2012

J. Mater. Chem., 2012,22, 5300-5303
Article type

Large-area, crack-free polysilazane-based photonic crystals

Z. Zhang, W. Shen, C. Ye, Y. Luo, S. Li, M. Li, C. Xu and Y. Song, J. Mater. Chem., 2012, 22, 5300
DOI: 10.1039/C2JM15137E

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