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In situ repair of graphene defects and enhancement of its reinforcement effect in polyvinyl alcohol hydrogels

Yan Shi、Dangsheng Xiong、Jian‐Liang Li 等 5 位作者2017-01-01RSC Advances

The reactive groups on the edge of graphene defects are activated at a low γ-ray irradiation dose, and the resulting PVA scission chains at the high γ-ray dose link these reactive groups to repair the graphene defects.

Graphene research and applicationsPolymer Nanocomposite Synthesis and IrradiationGraphene and Nanomaterials Applications

Revealing the dependence of the physiochemical and mechanical properties of cement composites on graphene oxide concentration

Aliakbar Gholampour、Meisam Valizadeh Kiamahalleh、Diana Tran 等 5 位作者2017-01-01RSC Advances

This paper presents a comprehensive study to evaluate the influence of graphene oxide (GO) concentration on the physiochemical and mechanical properties of cement mortar composites.

Concrete and Cement Materials ResearchInnovative concrete reinforcement materialsMagnesium Oxide Properties and Applications

Advances in single quantum dot-based nanosensors

Juan Hu、Ziyue Wang、Chen-chen Li 等 4 位作者2017-01-01Chemical Communications

Single-molecule detection provides a simple and ultrasensitive platform to quantify target molecules by simply counting the individual fluorescence signals. Quantum dots (QDs) are novel semiconductor nanocrystals with distinct characteristics of high brightness, large Stokes shift and broad absorption spectra, high mo…

Advanced biosensing and bioanalysis techniquesQuantum Dots Synthesis And PropertiesNanowire Synthesis and Applications

Controlling azobenzene photoswitching through combined ortho -fluorination and -amination

Zafar Ahmed、Antti Siiskonen、Matti Virkki 等 4 位作者2017-01-01Chemical Communications

We present a series of visible-light-absorbing azobenzene photoswitches with cis-lifetimes ranging from one second to three days. We combine ortho-fluorination to control the cis-lifetimes, and ortho-amination to boost the visible-light absorption. The synthesis is accomplished by selectively replacing one or more ort…

Luminescence and Fluorescent MaterialsPhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics research

Mussel-mimetic hydrogels with defined cross-linkers achieved via controlled catechol dimerization exhibiting tough adhesion for wet biological tissues

Pengchao Zhao、Kongchang Wei、Qian Feng 等 8 位作者2017-01-01Chemical Communications

The engineering of catechol-based hydrogels to bind to wet biological tissues with high adhesion energy remains a challenge. Herein, fast quinone-nucleophile coupling and dynamic boronate ester bond were used to enhance the interfacial adhesion and bulk cohesion of our dual-crosslinked hydrogels, respectively, for fab…

Advanced Sensor and Energy Harvesting MaterialsPolymer Surface Interaction StudiesAdhesion, Friction, and Surface Interactions

Lone pair-π interaction-induced generation of photochromic coordination networks with photoswitchable conductance

Jian‐Zhen Liao、Jian-Fei Chang、Lingyi Meng 等 6 位作者2017-01-01Chemical Communications

Lone pair-π interaction-induced charge-transfer was successfully used for switching the conductance of a coordination network, through variation of the degree of charge transfer caused by external photostimulation. The underlying mechanism is attributed to the changes in efficient charge-carriers by photoinduced stron…

Porphyrin and Phthalocyanine ChemistryLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry

Electrically and thermally conductive underwater acoustically absorptive graphene/rubber nanocomposites for multifunctional applications

Ying Li、Ying Li、Fan Xu 等 12 位作者2017-01-01Nanoscale

, which was superior to the values of thermally conductive silicone rubber thermal interface materials. Moreover, the nanocomposites exhibited excellent underwater sound absorption (average absorption coefficient >0.8 at 6-30 kHz). Notably, the absorption performance of graphene/SBR nanocomposites increased with incre…

Graphene research and applicationsThermal properties of materialsDielectric materials and actuators

Photochemical reactions of metal complexes in the solid state

Jagadese J. Vittal、Hong Sheng Quah2017-01-01Dalton Transactions

ligands cause the structural transformations. Of these, [2 + 2] photo-cycloaddition reactions have been widely studied and the photoreactions are made possible by various supramolecular interactions including hydrogen bonds, metallophilic, ππ and C-Hπ interactions, ligand design and metallic clips to bring the reactiv…

Supramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine ChemistryPhotochromic and Fluorescence Chemistry

Morphology transformation of self-assembled organic nanomaterials in aqueous solution induced by stimuli-triggered chemical structure changes

Wenbo Zhang、Changyou Gao2017-01-01Journal of Materials Chemistry A

Morphology transformation of supramolecular assemblies is implemented under “green” triggers, namely pH, light, and CO <sub>2</sub> , resulting in novel organic nanomaterials with well-defined structures and functions.

Supramolecular Chemistry and ComplexesSupramolecular Self-Assembly in MaterialsPolydiacetylene-based materials and applications

Bright red-emitting pyrene derivatives with a large Stokes shift for nucleus staining

Chathura S. Abeywickrama、Kaveesha J. Wijesinghe、Robert V. Stahelin 等 4 位作者2017-01-01Chemical Communications

). The probe molecule showed remarkable selectivity to stain the nucleus in both live and fixed cells, with higher sensitivity than commercial dye DRAQ5.

Molecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry

Thermal, structural and degradation properties of an aromatic–aliphatic polyester built through ring-opening polymerisation

Erlantz Lizundia、Vishalkumar A. Makwana、Aitor Larrañaga 等 5 位作者2017-01-01Polymer Chemistry

The novel biodegradable aromatic–aliphatic polyester, poly(2-(2-hydroxyethoxy)benzoate), was explored through thermal analysis, X-ray diffraction, dynamic mechanical analysis and comparative bio and catalysed degradation.

Advanced Polymer Synthesis and Characterizationbiodegradable polymer synthesis and propertiesCarbon dioxide utilization in catalysis

Outmatching superhydrophobicity: bio-inspired re-entrant curvature for mighty superamphiphobicity in air

Liwei Chen、Zhiguang Guo、Weimin Liu2017-01-01Journal of Materials Chemistry A

Inspired by nature, a third factor of re-entrant surface curvature was introduced into the design and fabrication system of superamphiphobic surfaces in conjunction with the two other major factors of surface chemical composition and roughness.

Surface Modification and SuperhydrophobicityAdvanced Sensor and Energy Harvesting MaterialsAdhesion, Friction, and Surface Interactions

Modification of LSCM–GDC cathodes to enhance performance for high temperature CO 2 electrolysis using solid oxide electrolysis cells (SOECs)

Xiangling Yue、John T. S. Irvine2017-01-01Journal of Materials Chemistry A

Extensive efforts have been made to find new fuel electrode materials for solid oxide cells with high activity and durability to provide more robust materials than state-of-the-art materials, Ni-cermets.

Catalytic Processes in Materials ScienceAdvancements in Solid Oxide Fuel CellsCatalysis and Oxidation Reactions

High-performance, ultra-flexible and transparent embedded metallic mesh electrodes by selective electrodeposition for all-solid-state supercapacitor applications

Yanhua Liu、Jianlong Xu、Su Shen 等 6 位作者2017-01-01Journal of Materials Chemistry A

High-performance, ultra-flexible and transparent embedded metallic mesh electrodes were fabricated <italic>via</italic> low-cost selective electrodeposition process combined with inverted film-processing methods for the first time. Flexible and transparent all-solid-state supercapacitors were thus successfully constru…

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationAdvanced Sensor and Energy Harvesting Materials