Preparation of nano zinc oxide composite porous membrane and its material regulation

This paper introduces various preparation methods for nanoporous membranes composed of zinc oxide composites and addresses the low light transmittance issue commonly associated with existing methods. A nanoporous composite membrane, which utilizes PEG as an auxiliary agent, has been designed to optimize light transmittance. The experimental results indicate that the specific surface area of the nano zinc oxide composite porous membrane is [51.8 m2/g, 74.65 m2/g]. Within the interval, the pore volume is greater than 0.33 cm³/g. Within the range of [50 Å, 60 Å], the gas adsorption and separation performance are relatively higher. The nano zinc oxide composite porous film prepared with PEG has a transmittance of approximately 90%, demonstrating excellent transmission performance. These findings suggest that the designed composite membrane has strong performance characteristics, offering significant potential for further development and application in this field. It also offers useful reference and guidance for material preparation and optimization.