Microstructures, mechanical properties and tribological behaviors of amorphous carbon coatings in-situ grown on polycarbonate surfaces

The Growth Behavior of Amorphous Hydrogenated Carbon a-C:H Layers on Industrial Polycarbonates—A Weak Interlayer and a Distinct Dehydrogenation Zone

“…These properties can be modified-for example, by blending with other thermoplastic polymers [2]. Another way to influence these properties is to deposit a (thin) layer of amorphous carbon (a-C) or amorphous hydrogenated carbon (a-C:H) on its surface [4][5][6][7][8]. These carbon layers consist of a network of π-sp 2 , σ-sp 2 and sp 3 hybridized carbon atoms in which the hydrogen is embedded [6,9,10].…”

Multifunctional Acrylic Polymers with Enhanced Adhesive Property Serving as Excellent Edge Encapsulant for Stable Optoelectronic Devices

“…13−15 However, the inherently low adhesive properties between substrates composed of organic polymers and hardcoats, hereinafter referred to as topcoats containing inorganic components can be problematic. 16,17 Consequently, it is necessary to introduce an adhesive layer (AL) at the interface to overcome the delamination issue while maintaining the surface mechanical properties of the topcoat. Furthermore, adhesives can also be applied in the optoelectronics field to encapsulate optoelectronic devices based on perovskites or organic materials that are vulnerable to ambient air and humidity.…”

“…As an omnipresent tool, adhesives are used not only in daily life but also in a variety of industries, including construction, healthcare, optoelectronics, and transportation. − Especially in the automotive industry, adhesives are gaining attraction due to the global demand to replace glass windows with transparent plastics. − Among transparent plastics, polycarbonate (PC) has the advantage of being lightweight, impact-resistant, and facilely processable. , However, its poor weathering, abrasion, and scratch resistances have hindered its commercialization. , Therefore, the hard-coating method has been researched to compensate for the shortcomings of the PC surface. − However, the inherently low adhesive properties between substrates composed of organic polymers and hardcoats, hereinafter referred to as topcoats containing inorganic components can be problematic. , Consequently, it is necessary to introduce an adhesive layer (AL) at the interface to overcome the delamination issue while maintaining the surface mechanical properties of the topcoat. Furthermore, adhesives can also be applied in the optoelectronics field to encapsulate optoelectronic devices based on perovskites or organic materials that are vulnerable to ambient air and humidity. − Perovskite solar cells (PSCs) have advanced from a power conversion efficiency of 0.8% in 2009 to over 25.5% in 2020. , However, the inherent instability of the halide perovskites in ambient air has been a barrier to commercialization. , Hence, encapsulation methods such as glass cover encapsulation have been studied as a measure against the impact of air. , Furthermore, encapsulation with an adhesive edge sealant is the most cost-effective method, as it allows for moisture protection with minimal sealant. − Among all the adhesives for the applications of ALs and edge sealants, polymeric adhesives are suitable for achieving high thermal durability, transparency, and strong adhesion. − …”

Achieving Good Bonding Strength of the Cu Layer on PET Films by Pretreatment of a Mixed Plasma of Carbon and Copper

“…Compared to chemical synthesis, magnetron sputtering technology is a facile and scalable method, with the advantages of low substrate temperature, high parameter controllability, and no waste liquid pollution, − which is widely used in various fields. In our previous studies, − amorphous carbon (a-C) films and doped carbon films were prepared on the surface of polymer (PI, PEEK, UHPMWE) by magnetron sputtering technology, and it had been found that the continuous treatment of carbon plasma could induce the transformation from polymer carbonaceous microstructure to amorphous carbonaceous microstructure at the top of polymer. During the transformation process, an in situ transition layer composed of organic structure enriched near the polymer interior and inorganic structure enriched near the polymer surface was generated.…”