Figure 1.

Schematic fabrication process of the inverted ZnO PhC structure using the sol–gel solution. (a) PSS template, (b) spin coating, (c) removal of the PSS under a thermal treatment, and (d) inverted ZnO PhC structures.

Huang et al. Nanoscale Research Letters 2013 8:306   doi:10.1186/1556-276X-8-306
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