Opal Shell Structures: Direct Assembly versus Inversion Approach

Marlow, Frank; Sharifi, Parvin; Deng, Tian Song

doi:10.1002/cphc.201300456

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Opal Shell Structures: Direct Assembly versus Inversion Approach

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Marlow, Frank
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Sharifi, Parvin
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Deng, Tian Song
Research Group Marlow, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Marlow, F., Sharifi, P., & Deng, T. S. (2013). Opal Shell Structures: Direct Assembly versus Inversion Approach. Chemphyschem: a European journal of chemical physics and physical chemistry, 14(13), 2893-2896. doi:10.1002/cphc.201300456.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-A331-1

Abstract

Opal shell structures can be fabricated in two ways: By direct assembly from hollow spheres (hs-opal) or by infiltration of precursors into opal templates and inversion. The resulting lattice disturbances were characterized by scanning electron microscopy (SEM), optical microscopy, and transmission spectra. The hs-opal system shows much lower disturbances, for example, a lower number of cracks and lattice deformations. The strong suppression of crack formation in one of these inverse opal structures can be considered as promising candidates for the fabrication of more perfect photonic crystals.