Abstract
Improving electro-optic properties is essential for fabricating high-quality liquid crystal displays. Herein, by doping amorphous Mn3 O4 octahedral nanocages (a-Mn3 O4 ONCs) into a nematic liquid crystal (NLC) matrix E7, outstanding electro-optic properties of the blend are successfully obtained. At a doping concentration of 0.03 wt%, the maximum decreases of threshold voltage (Vth ) and saturation voltage (Vsat ) are 34% and 31%, respectively, and the increase of contrast (Con ) is 160%. This remarkable electro-optic activity can be attributed to high-efficiency charge transfer within the a-Mn3 O4 ONCs NLC system, caused by metastable electronic states of a-Mn3 O4 ONCs. To the best of our knowledge, such remarkable decreased electro-optic activity is observed for the first time from doping amorphous semiconductors, which could provide a new pathway to develop excellent energy-saving amorphous materials and improve their potential applications in electro-optical devices.
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