Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 27, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201605221
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Funding
- MOST of China [2016YFA0200803, 2016YFB0402004]
- NSFC [51673207, 51373183]
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This paper presents a unique morphological evolution of metal-organic inverse opals (Pb(NO3)(2)-poly(St-MMA-AA)) subjected to an electrowetting process. The morphology of the building blocks changes from interconnected pores to separated hollow spheres during the electrowetting process, accompanied by an unusual blue-shift of the stopband position and the decreased wettability of the film. This morphology evolution is attributed to the simultaneous collapse/reconstruction of the metal-organic frame owing to the partial dissolution of the metal salt and the interfacial assembly of the metal-organic coordination around the skeleton. The adjustable morphology can be developed as a novel and simple water-lithography approach for the creation of the photonic crystal pattern.
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