![]() Skin electronics from scalable fabrication of an intrinsically stretchable transistor array. Surface fluorination modification and anti-biofouling study of a pHEMA hydrogel. Thiol–ene chemistry for polymer coatings and surface modification-building in sustainability and performance. Recent progress in high-mobility organic transistors: a reality check. A universal and facile approach for building multifunctional conjugated polymers for human-integrated electronics. Direct metabolite detection with an n-type accumulation mode organic electrochemical transistor. Recent advances in encapsulation of flexible bioelectronic implants: materials, technologies and characterization methods. Mariello, M., Kim, K., Wu, K., Lacour, S. Materials for flexible bioelectronic systems as chronic neural interfaces. Soft and elastic hollow microcapsules embedded silicone elastomer films with enhanced water uptake and permeability for mechanical stimuli responsive drug delivery applications. A molecular design approach towards elastic and multifunctional polymer electronics. ![]() Trap healing and ultralow-noise Hall effect at the surface of organic semiconductors. Electronic functionalization of the surface of organic semiconductors with self-assembled monolayers. F., Sanchez, J., Olaya, D., Gershenson, M. F4‐TCNQ as an additive to impart stretchable semiconductors with high mobility and stability. High operational and environmental stability of high-mobility conjugated polymer field-effect transistors through the use of molecular additives. Le Floch, P., Meixuanzi, S., Tang, J., Liu, J. Suppressing bias stress degradation in high performance solution processed organic transistors operating in air. Polymer electronics: to be or not to be? Adv. A perspective on overcoming water-related stability challenges in molecular and hybrid semiconductors. Operational stability of organic field-effect transistors. Stretchable transistors and functional circuits for human-integrated electronics. Molecular design of stretchable polymer semiconductors: current progress and future directions. ![]() Mechanical properties of organic semiconductors for stretchable, highly flexible, and mechanically robust electronics. Electronic skin: recent progress and future prospects for skin‐attachable devices for health monitoring, robotics, and prosthetics. Material approaches to stretchable strain sensors. Functional hydrogel interface materials for advanced bioelectronic devices. High-frequency and intrinsically stretchable polymer diodes. High-brightness all-polymer stretchable LED with charge-trapping dilution. Overall, we believe that our surface tethering of the nanostructured FMPL is a promising approach to achieve highly environmentally stable and stretchable polymer electronics. ![]() The FMPL also improved the PSC stability against photo-oxidative degradation in air. The protection effect of the FMPL (~6 nm thickness) outperforms various micrometre-thick stretchable polymer encapsulants, leading to a stable PSC charge carrier mobility of ~1 cm 2 V −1 s −1 in harsh environments such as in 85–90%-humidity air for 56 days or in water or artificial sweat for 42 days (as a benchmark, the unprotected PSC mobility degraded to 10 −6 cm 2 V −1 s −1 in the same period). We attribute the ability of FMPL to block water absorption and diffusion to its hydrophobicity and high fluorination surface density. The nanostructured fluorinated molecular protection layer (FMPL) improves the PSC operational stability over an extended period of 82 days and maintains its protection under mechanical deformation. This is achieved through the covalent functionalization of fluoroalkyl chains onto a stretchable PSC film surface to form densely packed nanostructures. Here we report a surface-tethered stretchable molecular protecting layer to realize stretchable polymer electronics that are stable in direct contact with physiological fluids, containing water, ions and biofluids. However, their environmental stability remains a longstanding concern. Stretchable polymer semiconductors (PSCs) are essential for soft stretchable electronics. Environmentally stable and stretchable polymer electronics enabled by surface-tethered nanostructured molecular-level protection
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