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POSS Polyimide Composite Sealed Triple‐Junction GaAs Thin‐Film Solar Cell for Long‐Term Low Earth Orbit Serve [PDF]

open access: yesAdvanced Science
Polyhedral oligomeric silsesquioxane (POSS) polyimide is promising for sealing flexible photoelectronic devices for space applications. However, atomic oxygen interaction with POSS polyimide results in a porous SiOx passivating layer, ultraviolet ...
Min Qian   +3 more
doaj   +2 more sources

Advances in Polyimide Membranes for Gas Separation: Synthesis, Modification, and Application [PDF]

open access: yesMolecules
Membrane technology is widely used in gas separation processes due to its small footprint, high energy efficiency, and favorable economic viability.
Qiu-Ying Zhang   +6 more
doaj   +2 more sources

Molecular simulation of the effect of plasma modification on the microscopic properties of polyimide

open access: yesFrontiers in Materials, 2022
Polyimide is often used as the insulating material of the repulsion coil, which needs to withstand the collision of the fast repulsion mechanism in high-speed motion and temperature rise. The polyimide molecular model was established in this study.
Can Ding   +3 more
doaj   +1 more source

Microfabrication of functional polyimide films and microstructures for flexible MEMS applications

open access: yesMicrosystems & Nanoengineering, 2023
Polyimides are widely used in the MEMS and flexible electronics fields due to their combined physicochemical properties, including high thermal stability, mechanical strength, and chemical resistance values.
Zihao Dong   +7 more
doaj   +1 more source

Preparation of polyimide-metal complexes with tunable Sol-Gel transition by Introduction of Zn(II)-Coordination

open access: yesPolymer Testing, 2022
Developing fully rigid-chain polyimides with reversible sol-gel/gel-sol transitions is of great interest for designing high-performance materials. To date, few approaches have been employed to construct polyimide gels other than hydrogen bonding.
Feng Gan   +7 more
doaj   +1 more source

Heat of Decomposition and Fire Retardant Behavior of Polyimide-Graphene Nanocomposites

open access: yesEnergies, 2021
Polyimide is a high-performance engineering polymer with outstanding thermomechanical properties. Because of its inherent fire-retardant properties, polyimide nanocomposite is an excellent material for packaging electronic devices, and it is an ...
Caroline J. Akinyi, Jude O. Iroh
doaj   +1 more source

Preparation and Properties of Polyimide Composite Membrane with High Transmittance and Surface Hydrophobicity for Lightweight Optical System

open access: yesMembranes, 2022
Polyimide membranes have excellent physiochemical properties which make them valuable materials for optical area. However, common aromatic polyimide membrane trend to show low transmittance in visible region because of the charge-transfer complex (CTC ...
Jiajia Yin   +5 more
doaj   +1 more source

Experimental study on PM2.5 removal by magnetic polyimide loaded with cobalt ferrate

open access: yesEnergy and Built Environment, 2020
A novel functional magnetic polyimide loaded with cobalt ferrite nanoparticles by coprecipitation method was proposed, and XRD, FTIR, SEM technologies were employed to study their physicochemical properties. The filtration performance of non-magnetic and
Fashan Zhou   +4 more
doaj   +1 more source

Capacitive Humidity Sensor Based on Carbon Black/Polyimide Composites

open access: yesSensors, 2021
A novel capacitive humidity sensor based on carbon black/polyimide composites is presented in this paper. The details of the fabrication, sensor characteristics, and effect of the carbon black additive are described.
Jihong Kim   +3 more
doaj   +1 more source

Hydrogen storage properties of Mg-based multilayer films

open access: yesMechanical Engineering Journal, 2016
In this study, four multilayer film samples of polyimide/Mg, polyimide/Mg/Ti, polyimide/Mg/Pd, and polyimide/Mg/Ti/Pd were prepared by pulsed laser deposition and evaluated for hydrogen absorption-desorption properties.
Takuma HASHIMOTO, Mitsuo NOTOMI
doaj   +1 more source

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