Abstract The maximizing daily freshwater yield on the ocean surface necessitates all‐day water harvesting technologies and materials. This is realizable by taking advantage of natural sunlight humid air, which can drive daytime solar desalination nighttime fog collection, respectively. To this end, two types hierarchically porous microneedle array structures, demonstrate superior capabilities for efficient capturing photothermal evaporation, respectively, are prepared. gel‐forged arrays with...

Magnetic composite photocatalyst Bi2O3/SrFe12O19 was synthesized by hydrolysis with medium temperature sintering method. X-ray diffraction (XRD) investigation revealed that introduction of SrFe12O19 did not change the favorite growth direction Bi2O3, [121] orientation. Micromorphology study indicated distributed on surface Bi2O3 to possess best possibility forming some heterojunction structures. Vibrating sample magnetometer (VSM) measurements manifested possessed better magnetic properties,...

The following facile approach has been developed to prepare a biomimetic-structural superhydrophobic surface with high stabilities and strong resistances on 2024 Al alloy that are robust harsh environments. First, simple hydrothermal treatment in La(NO3)3 aqueous solution was used fabricate ginkgo-leaf like nanostructures, resulting superhydrophilic Al. Then low-surface-energy compound, dodecafluoroheptyl-propyl-trimethoxylsilane (Actyflon-G502), modify the Al, changing character from...

This paper presents the results of a study on evolution particle shape in carbonate sands that underwent different degrees breakage. Carbonate sand specimens with three initial sizes were subjected to impact loadings input energies. The and shapes tested analyzed by dynamic image analysis both before after each loading. An increase energy resulted increases breakage, aspect ratio, sphericity, roundness steady-state values, whereas convexity was barely influenced tests. It found Weibull...

COFs were synthesized by a microwave-assisted solvothermal route, with the building blocks containing 1,3,5-tris(4-aminophenyl) benzene and 2,3,5,6-tetra-fluoroterephthalaldehyde (or 1,4-phthalaldehyde). The -F groups introduced into ring promoted hydrophobicity stability of COFs. universality long effectiveness oil adsorption can be realized when applying as adsorbent. powder also exhibited excellent water-in-oil emulsions separation performance, efficiency no lower than 99.5%. In this...

Rainfall erosion in slopes is a common natural disaster threatening the safety of urban infrastructure and farmland full life cycle sustainability construction. In this study, large-scale field test was performed to investigate effect microbially induced calcite precipitation (MICP) on mitigation rainfall erosion. Slopes treated with 0, 3, 6, or 12 cycles MICP were subjected an artificial heavy intensity 175 mm/h. The results showed that could change pattern significantly. response time...

Abstract In the context of thin‐film nanocomposite membranes with interlayer (TFNi), nanoparticles are deposited uniformly onto support prior to formation polyamide (PA) layer. The successful implementation this approach relies on ability meet strict requirements regarding their sizes, dispersibility, and compatibility. Nevertheless, synthesis covalent organic frameworks (COFs) that well‐dispersed, morphological, exhibit improved affinity PA network, while preventing agglomeration, remains a...

Fog harvesting is a promising technique to obtain fresh water in arid climates. Through combination of the template method and photocuring technique, we effectively crafted cactus-inspired structures on copper mesh enhance coalescence transport droplets. The spacing needle array can be readily customized by altering quantity holes photomask. Simultaneously, wettability both conical needles modified through straightforward surface treatment. superwetting meshes could used as an effective fog...

UiO-66 metal-organic frameworks (MOFs) are unstable in some harsh aqueous environments, which limit their practical applications. We demonstrate a postsynthetic modification methodology to transform hydrophilic Zr(Hf)-UiO-66 into superhydrophobic Zr(Hf)-UiO-66-SH-y (SH = thiol, y fluoroalkyl) by introducing long fluoroalkyl chains organic linkers through thiol-ene click reaction. Water contact angles of the four modified MOFs all larger than 150°. The grafted low-surface-energy...

We report the preparation of a two-dimensional superhydrophobic covalent organic framework (COF)-coated cotton fabric via rapid one-step method at room temperature. The COF-coated was found to have stable superhydrophobicity and remarkable water-in-oil emulsion separation capacity with ultra-high flux under only gravity.

Abstract Photothermal conversion agents (PTCAs) based on π‐conjugated polymers are promising for cancer therapy, but the alteration of bandgap energies toward boosted photothermal properties remains challenging. Herein, polymer PTCAs with heterojunctions a binary optical component developed by interface hybridization porous particles. Specifically, polypyrrole (PPy) nanodomains successfully hosted wet‐adhesive surface mesoporous polydopamine nanoparticles through loading and polymerization...

Stable Zr-UiO-67 is prepared by introducing a fluorine-containing layer on its surface through polymeric network assisted post-synthetic modification (PSM) strategy. The stability of the MOFs in acidic, alkaline and saline environments improved because existence protective layer. are superlyophobic towards liquids with tension threshold over 48 mN m-1, making them potential choice for separating various liquid-liquid mixtures emulsions.

An all-metal evanescent wave filtenna (EWF), which operates below the cutoff frequency of rectangular waveguide (RWG), and exhibits a small ratio (FR) 1.06 between radiation null (RN) transmission pole (TP) is developed in this communication. By partially filling capacitive metasurface (CMS) with two slits cross section RWG, transverse vertical electric resonant modes can be generated at different frequencies. For former, it orthogonal to TE10 mode introduce RN due mode-mismatch. latter, TP...

Quantum dots (QDs) exhibit excellent optical and chemical properties, making them advantageous for fluorescence sensing. However, gas sensor using QDs is often hampered by challenges such as diffusion low concentration. This work describes the development of a nitrogen dioxide (NO

Abstract In this article, the double‐doped Hf:Ce:LiNbO 3 crystals were grown by Czochralski method and its photorefractive properties systematically studied. Samples treated with different oxidation/reduction. The of investigated two‐beam coupling method. results shown that improved as compared Ce:LiNbO crystals. oxidation/reduction treatment had great effect on doping mechanism was also discussed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1693–1695, 2008; Published...

Hierarchically organized hybrid MOF particles were mediated by hydrophobic ligands for the stable luminescence of lanthanide complexes.

A key challenge in polyamide (PA) based nanocomposite membranes (NMs) is to achieve non-accumulation filler and defect-free features, on proper compatibility great dispersion between the particles matrix. To address aforementioned issue, herein, an interfacial bridging strategy was introduced fabricate NM. COF, TAPB-BPTA containing alkynyl synthesized by a microwave-assisted solvothermal route preliminarily grafted with hydrophilic cysteine bridge via click reaction, subsequently elevating...