Electrochemical growth of ZnO photonic crystalsстатья
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Дата последнего поиска статьи во внешних источниках: 10 июня 2020 г.
Аннотация:ZnO films have been prepared by cathodic electrodeposition at room temperature for further application in optoelectronic devices. Influence of electrodeposition conditions on homogeneity and continuity of the films is discussed including the role of Trilon B as a complexing agent in grain size decrease and ensure adherence to ITO glass substrates. The annealing temperature has been optimized according to TG-DTA MS and XRD data. All ZnO opals have wurtzite-type structure and morphology of closed-packed round-shaped particles or very thin flakes forming porous sponge-like architecture. ZnO opal films with artificial microporous architecture have been synthesized using a polystyrene opal matrices as templates. Photoluminescence spectra of the ZnO coverages have shown more complex spectra for precipitates sedimented from aqueous baths than from DMSO electrolytes, most likely, because of different characteristic intrinsic defects.