Eutectic Nano/Microstructure: New Self‐Organization Route to Tunable Narrowband Optical Filters and Polarizers Demonstrated with ZnO–ZnWO4 Eutectic Composite (Advanced Optical Materials 7/2020)

Paweł Osewski, A. Belardini, Marco Centini, Constantinos A. Valagiannopoulos, G. Leahu, Roberto Li Voti, Monika Tomczyk, Andrea Alù, Dorota Anna Pawlak, Concita Sibilia

2020

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DOI 10.1002/adom.202070027

Data confidence 70 medium

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Abstract

A new ZnO–ZnWO4 eutectic composite manifests sharp and strongly polarization-dependent transmission at ≈400 nm. Such a powerful effect is due to the formation of a fine self-organized eutectic nano/microstructure that enables refractive index matching due to the proper orientation of the constituent phases. These functionalities are obtained by fabricating ZnO–ZnWO4 using a self-organization low-cost procedure, paving the way for large-scale applications, such as tunable narrow-band color filters. For further details see article number 1901617 by Dorota A. Pawlak and co-workers.