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SYNTHETIC METALS · 2016 · IF 2.299

Double network hydrogel embedded with quantum dots: Enhanced visual performance for holographic 3D display

Ziwei Wang,Jia Jia,Min Zhu,Xin Li,Juan Liu,Yongtian Wang,Haizheng Zhong

Transparent double network hydrogels incorporated with quantum dots are promising display medium for holographic 3D display. In this work, we found that the combination of aqueous quantum dots and double network hydrogel is an advantageous strategy to fabricate free-standing bulk nanocomposites with enhanced mechanical properties . The double network hydrogel with colloidal quantum dots can construct high quality images with peak signal-to-noise ratio value up to 28.48, enabling them to be potential display mediums for holographic 3D display.

CAS / MDL: 15214-89-8 79-06-1 110-26-9 7727-21-1

研究领域: 材料科学 · 光学工程

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Advanced Optical Materials · 2024 · IF 8

Thermoregulated CPL-Active Flexible Polymer/Perovskite Hybrid Materials with High Luminescence Dissymmetry Factor

Rui Cao,Xinning Zhou,Haitao Dai,Yong Wang,Yin Xiao

CPL-active flexible materials with high luminescence dissymmetry factor ( g lum ) and luminescent quantum yield are indispensable for 3D displays, wearable devices and so on. Perovskite has drawn much attention due to its fascinating photoelectric properties as well as its abundant applications. However, the existing strategies are inefficient in acquiring perovskite NCs with high g lum . In this work, thermoregulated CPL-active flexible polymer/perovskite hybrid materials with high g lum by the creation of chiral photonic bandgap in polymer film with cholesteric domains using toluene as the dielectric media is reported. Based on selective CPL reflection, a satisfied CPL with a maximum g lum of 0.6 is achieved. Importantly, the chiral photonic bandgap center of the polymer film can be easily tuned by thermal annealing at different temperatures to adapt various perovskite NCs with full-spectral emission. The handedness of CPL of hybrid materials can be regulated with and without dielectric media. The presence of the flexible polymer makes hybrid materials a candidate to achieve patterned display applications. Additionally, the polymer/perovskite hybrid materials show excellent stability thanks to the encapsulation effect from polymers. This work provides a facile and general approach to induce adjustable CPL in the whole visible spectrum with high g lum and photoluminescence quantum yield (PLQY).

CAS / MDL: 7787-69-1 64-04-0

研究领域: 材料科学 · 光电技术 · 光子学 · 纳米技术

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Double network hydrogel embedded with quantum dots: Enhanced visual performance for holographic 3D display

Thermoregulated CPL-Active Flexible Polymer/Perovskite Hybrid Materials with High Luminescence Dissymmetry Factor