Optical diffusers with enhanced properties based on novel polysiloxane@CeO₂@PMMA fillers

Abstract

Multifunctional optical diffusers based on hybrid polysiloxane@CeO 2 @PMMA microspheres were successfully prepared by UV curing process. The novel diffusing microspheres can be synthesized via facile one-pot method, and their structure was characterized by FT-IR, TEM, SEM, XRD, and TGA. The diffusers based on polysiloxane@CeO 2 @PMMA were found to have better properties such as heat resistance, mechanical, UV-shielding, fluorescence, and anti-aging ability compared to the diffusers using organic diffusing microspheres. Moreover, the new diffuser exhibited a strong NIR absorption, which had a potential application in absorbing materials and night vision LCD monitor products. In addition, a good diffusing effect was achieved using the new diffuser, and the light-diffusing mechanism was also illustrated. Moreover, the anti-aging ability of diffusers can be gradually improved with the increasing concentration of polysiloxane@CeO 2 @PMMA fillers. The novel diffusers based on polysiloxane@CeO 2 @PMMA possessed a stronger resistance to UV aging compared to moist-heat aging.Hence, this study firstly introduced hybrid microspheres to optical diffusers, which can be used for preparing different multifunctional diffusing materials such as touch-panel functions, monitors, military projectors, and novel LCDs. † Electronic supplementary information (ESI) available: The synthesized details of polysiloxane@CeO 2 @PMMA are presented. Then, the physical and chemical properties of multifunctional microspheres of polysiloxane@CeO 2 @PMMA were examined by FT-IR, powder transmission electron microscopy (TEM), Scanning Electron Microscopy (SEM), X-ray diffraction (XRD). See

White‐Light‐Emitting Melamine‐Formaldehyde Microspheres through Polymer‐Mediated Aggregation and Encapsulation of Graphene Quantum Dots

“…[48][49][50] The good stability and dispersibility of GQD-MF microspheres make it easy to mix with a variety of polymer materials (such as PVA, poly-methyl-methacrylate (PMMA), and PDMS) in organic solvents to prepare white-light-emitting blocks or film materials. [51,52] By dispersing and embedding the GQD-MF microspheres with commercial Dow Corning SYLGARD 184 silicone elastomer kit (microsphere: PDMS mass ratio of 5:100), a flexible white-light-emitting GQD-MF-PDMS film was prepared. [51,52] By dispersing and embedding the GQD-MF microspheres with commercial Dow Corning SYLGARD 184 silicone elastomer kit (microsphere: PDMS mass ratio of 5:100), a flexible white-light-emitting GQD-MF-PDMS film was prepared.…”

Cellulose Nanocrystal:Polymer Hybrid Optical Diffusers for Index‐Matching‐Free Light Management in Optoelectronic Devices

“…[9,19,20] Both CNCs and CNFs are very similar in terms of chemical composition and can be derived from the same source but are morphologically different in that CNFs are long (in order of micrometers) and flexible composed of both crystalline and amorphous parts while CNCs are short rod-like crystals with lengths in the range of a few hundreds of nanometers. While some of the recently proposed volumetric diffusers are made of rare earth materials such as cerium [22] which can drive up the cost of fabrication, the proposed diffuser relies on a ubiquitous and environment-friendly material, cellulose, which is cost-effective to produce. While some of the recently proposed volumetric diffusers are made of rare earth materials such as cerium [22] which can drive up the cost of fabrication, the proposed diffuser relies on a ubiquitous and environment-friendly material, cellulose, which is cost-effective to produce.…”

“…[18] In addition, recently, cellulose nanofiber (CNF)-based films and papers have attracted attention for their light scattering capabilities. While some of the recently proposed volumetric diffusers are made of rare earth materials such as cerium [22] which can drive up the cost of fabrication, the proposed diffuser relies on a ubiquitous and environment-friendly material, cellulose, which is cost-effective to produce. [21] Here, we propose, fabricate, and characterize a new class of optical diffusers based on CNP hybrid films.…”

Nanosecond pulsed laser texturing of optical diffusers

“…[9][10][11][12][13] Optical diffusers have been fabricated employing a range of coating processes. 5,14 However, nanosecond pulsed laser patterning of optical diffusers have not been studied. This technique can enable the fabrication of optical diffuser by direct material structuring or texturing without any coating processes.…”

“…4 Moreover, optical diffusers are one of the essential components in liquid crystal displays (LCDs). [5][6][7] The diffusion of light can be achieved either from a surface or through volume of optical element. It may comprise of incorporated micro-and nanoparticles or structured patterns.…”