Materials Literature
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Metal–organic frameworks (MOFs) are usually synthesized in powder form. For many practical applications, MOFs need to be shaped into monoliths that can be easily handled. However, conventional shaping methods, such as pelletization, often result in a decrease in functionality. Recently, MOF-containing monoliths have b…
Hydrogel-based wound dressings provided a moist microenvironment and local release of bioactive molecules. Single drug loading along with fast release rates and usually in hydrogel sheets limited their performance. Hence, uniform alginate/CaCO 3 composite microparticles (∼430 μm) with tunable compositions for sustaina…
Nowadays, most of the commonly used superabsorbent polymers (SAPs) are derived from synthetic polymers, particularly acrylic acid and its copolymers made with acrylamide. Here, we describe a novel and environmentally friendly aqueous-based process for fabrication of a new, natural, cellulose-based SAP (hydrogel). In t…
International audience
Human-machine interfaces are essential components between various human and machine interactions such as entertainment, robotics control, smart home, virtual/augmented reality, etc. Recently, various triboelectric-based interfaces have been developed toward flexible wearable and battery-less applications. However, mos…
Low‐temperature Poly‐Crystalline Silicon and Oxide (LTPO) Thin‐Film Transistor (TFT) is introduced and developed as a TFT backplane of the AMOLED display for the first time in Apple Watch Series 4. With new panel circuitry and complementary driving scheme, the LTPO AMOLED display can be operated at a low refresh rate…
Inkjet-printed wearable electronic textiles (e-textiles) are considered to be very promising due to excellent processing and environmental benefits offered by digital fabrication technique. Inkjet-printing of conductive metallic inks such as silver (Ag) nanoparticles (NPs) are well-established and that of graphene-bas…
Abstract Tailoring composition and morphology of electrocatalysts is of great importance in improving their catalytic performance. Herein, a salt‐templated strategy is proposed to construct novel multicomponent Co/CoxMy (M = P, N) hybrids with outstanding electrocatalytic performance for the oxygen evolution reaction…
Chemiluminescence is gradually being recognized as a powerful tool for sensing and imaging. Most known light-emitting compounds undergo chemiexcitation through spontaneous decomposition of cyclic peroxide moieties. A ground-breaking milestone in the chemistry of such compounds was achieved 30 years ago with the discov…
Developing active bifunctional oxygen catalysts to eliminate/reduce the reliance on precious-metal-based ones in metal–air batteries is nowadays of great importance. Here, we report the synthesis of nickel indium thiospinel nanosheets supported on carbon nanofibers (denoted as NiIn 2 S 4 /CNFs) via a facile in situ so…
Two-dimensional lattice structures with specific geometric features have been reported to have a negative Poisson's ratio, termed as auxetic metamaterials, that is, stretching-induced expansion in the transversal direction. In this paper, we designed a novel auxetic metamaterial; by utilizing the shape memory effect o…
Abstract To date, various stretchable conductors have been fabricated, but simultaneous realization of the transparency, high stretchability, electrical conductivity, self‐healing capability, and sensing property through a simple, fast, cost‐efficient approach is still challenging. Here, α‐lipoic acid (LA), a naturall…
Low lithium-ion migration barriers have recently been associated with low average vibrational frequencies or phonon band centers, further helping identify descriptors for superionic conduction. To further explore this correlation, here we present the computational screening of ∼14,000 Li-containing compounds in the Ma…
Abstract Ambient sunlight-driven CO 2 methanation cannot be realized due to the temperature being less than 80 °C upon irradiation with dispersed solar energy. In this work, a selective light absorber was used to construct a photothermal system to generate a high temperature (up to 288 °C) under weak solar irradiation…
Abstract Direct conversion of solar energy into chemical energy in a sustainable manner is one of the most promising solutions to the energy crisis and environmental issues. Fabrication of highly active photocatalysts is of great significance for the practical applications of efficient solar‐to‐chemical energy convers…
In this work, we report all‐inkjet‐printed deep red quantum dot light emitting diodes (QLEDs) for achieving large‐scale and pixelated QLED display. The devices exhibit a current efficiency of 6.44 cd/A at the luminance of 1000 cd/m 2 which is the best result to date for inkjet‐printed red QLEDs. This high efficiency r…
In this article, we present a high performance smart window via micro‐domains manipulation on the alignment surface, which dramatically enhances the power‐on haze by 48%. Large‐scale window with ultra‐hazy state switching in less than 3.5 ms is demonstrated.
This research explores the performance of graphene as a coating for plasma-facing components (PFCs) in a nuclear fusion environment. Our recent studies have shown that graphene can act as a resistant layer against plasma exposure and ion bombardment. PFCs tend to develop surface morphologies that lead to mass loss of…
Silicone‐based positive‐type photoresists for the pixel defining layer (PDL) in OLED Structures have been developed. Silicone binder based on polyorganosilsesquioxane resin for the PDL has been synthesized by using a well‐known sol‐gel reaction. Also, photoresist characteristics based on silicone resin such as film re…
First-principles total-energy calculations showed that the stable structure of (MnxCr1−x)AlGe changes from Cu2Sb to TiSi2 structures at xc, where 0.25 > xc > 0.125. In the Cu2Sb-type structure, a ferromagnetic state occurs, that is, the magnetic moments on Mn and Cr are parallel to each other. In the TiSi2-type struct…