62 Result(s)
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Yaoyao **e
Characterization and Evaluation of Materials
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Article
Preparation of Tungsten Carbide Powder by In Situ Electrolysis Utilizing Self-Consuming Graphite Anode
In this work, graphite was used as a self-consuming anode to synthesize WC nanopowders in situ in a molten salt containing Na2WO4 with Na2CO3. The effects of electrolysis voltage, W/C molar ratio, electrolysis te...
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Article
Carbon edge engineering of nitrogen-doped carbon nanosheets via a self-sacrifice template strategy for enhanced hydrogen evolution reaction
Creating additional catalytic sites on the surface of nitrogen-doped carbon (NC) material is crucial to develo** the efficient hydrogen evolution reaction (HER) catalyst. Herein, a self-sacrifice template me...
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Article
Preparation of starch-based adsorbing-flocculating bifunctional material St-A/F and its removal of active, direct and disperse dyes from textile printing and dyeing wastewater
A starch-based adsorbing-flocculating bifunctional material St-A/F is prepared via graft copolymerization with two cationic monomers DMC and DMDAAC, using a safe and clean Fenton initiating system. 13C NMR, XRD, ...
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Article
Portable paper-based probe for on-site ratiometric fluorescence determination of total flavonol glycosides in plant extract using smartphone imaging
A smartphone-assisted, paper-based ratio fluorescence probe is presented for the rapid, low-cost and on-site quantification of total flavonol glycosides in Ginkgo biloba extracts (GBE). The Al3+/Eu-MOF/paper-base...
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Article
Direct pen writing and atomic-scale molecular dynamics simulation study of a novel silver nano-ink
Herein, a facile synthesis approach for silver nanoparticles is disclosed through reduction action without the need for a peristaltic pump or inert gas shielding has been disclosed. Subsequent electron microsc...
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Article
Introducing Mn into ZIF-8 nanozyme for enhancing its catalytic activities and adding specific recognizer for detection of organophosphorus pesticides
In order to design and establish a highly efficient and selective nanozyme-based sensing platform for the UV-vis detection of organophosphorus pesticides (OPs), Mn was introduced into ZIF-8 nanozyme for enhanc...
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Article
Sensitive electrochemical measurement of nitric oxide released from living cells based on dealloyed PtBi alloy nanoparticles
Nitric oxide (NO), as a vital signaling molecule related to different physiological and pathological processes in living systems, is closely associated with cancer and cardiovascular disease. However, the dete...
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Article
Open AccessDouble hairpin-assembled probe-mediating catalytic hairpin assembly and primer exchange reaction for sensitive and label-free miRNA analysis in gastric carcinoma
The aberrant expression of microRNA (miRNA) is closely associated with various pathological processes, such as the development of gastric cancer. High-efficiency quantification of miRNAs is significant for the...
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Article
Sandwich-type electrochemical immunosensor based on CuFe2O4-Pd for cardiac troponin I detection
A sandwich-type electrochemical immunosensor was designed by highly efficient catalytic cycle amplification strategy of CuFe2O4-Pd for sensitive detection of cardiac troponin I. CuFe2O4 with coupled variable vale...
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Article
The dielectric properties and relaxor behavior of gadolinium oxide modified barium zirconate titanate ceramics for Y5V capacitor applications
The Gd2O3 modified Ba(Zr0.1Ti0.9)O3 dielectric ceramics were fabricated using the conventional solid state reaction method. The influences of Gd2O3 on their microstructures, dielectric properties and relaxor beha...
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Article
The synthesis of nickel sulfide deposited with nitrogen-doped carbon quantum dots as advanced electrode materials for supercapacitors
The exploration of advanced electrode materials with high specific capacitance is of considerable crucial for supercapacitors but need to be further explored. In this article, nickel sulfide (NiS) nanocrystals...
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Article
Direct synthesis of Cu-containing Beta zeolite without template for selective oxidation of cyclohexane
Cu-containing Beta zeolites (Cu-Beta) are straightforwardly synthesized in a one-pot method without template, where the crucial step is the co-hydrolysis/condensation of silica source and copper salt at the mo...
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Article
Facile synthesis of MnO2@C@Ni(OH)2 core–shell nanowires for high-performance supercapacitor
One-dimensional MnO2@C@Ni(OH)2 core–shell nanowires were successfully synthesized by simple hydrothermal and chemical bath method. The MnO2@C@Ni(OH)2 core–shell nanowires showed a high capacitance of 1595.4 F g−1
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Article
Effect of annealing temperature on the performance of water motion energy harvesting in n-type silicon thin film by magnetron sputtering
Harvesting energy through water motion on solid surface is significantly important due to the energy generation intermittency of the usually used energy transducers. In this paper, n-type silicon thin film is fab...
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Article
A First-Principles Study on the Structure and Electronic Structure of Ti-Doped Spinel LiMn2O4 for Li-Ion Batteries
In this work, a systematic theoretical study on Ti-doped LiMn2O4 is performed to investigate their structure and electrochemical properties based on spin-polarized GGA + U calculations. The findings show that the...
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Article
Amorphous Manganese–Cobalt Nanosheets as Efficient Catalysts for Hydrogen Evolution Reaction (HER)
A facile and efficient electrocatalyst for hydrogen evolution reaction (HER) to produce hydrogen is very important for future energy. In this paper, amorphous manganese–cobalt nanosheets are successfully prepa...
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Article
A novel ESIPT fluorescent probe derived from 3-hydroxyphthalimide for hydrazine detection in aqueous solution and living cells
Hydrazine is a highly toxic and flammable liquid that can damage human liver, kidney, and central nervous system. Therefore, it is valuable to seek a quick and sensitive method for hydrazine detection in envir...
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Article
Understanding the Role of Short-Range Order in the Nucleation and Transformation of the B′/Q′ Precipitates in Al-Mg-Si(-Cu) Alloys
The understanding of metastable hardening precipitate evolution in Al-Mg-Si(-Cu) is still quite confused and elusive due to the disordered nature of several precipitates and the complex processes involved. Ato...
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Article
Controlled chemical oxidative polymerization of conductive polyaniline with excellent pseudocapacitive properties
Nowadays, the application of supercapacitor in energy storage is more and more extensive, and the selection and preparation of electrode material have become a formidable challenge. Polyaniline (PANI) has turn...
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Article
Solvent modification to suppress halide segregation in mixed halide perovskite solar cells
Mixed halide perovskite is essential to construct highly efficient tandem solar cells, whereas halide segregation is a main issue hindering their device efficiency for this kind of perovskite materials. Herein...
