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Selected gas response measurements using reduced graphene oxide decorated with nickel nanoparticles

Nano Materials Science 2021年第4期3卷 412-419页

作者： Ilka Simon Yulyan Haiduk rolf Mtilhaupt Vladimir Pankov Christoph Janiak institut für anoganische chemie und strukturchemie heinrich-heine universität düsseldorf 40204DüsseldorfGermany Chemical faculty Belarusian State UniversityLenningradskaya Str.14220050 MinskBelarus freiburg Materials research Center and institute for Macromolecular Chemistry Albert-Ludwigs-UniversityFreiburg79104FreiburgGermany

the work reports the synthesis of nickel nanoparticles supported on thermally reduced graphene oxides(rGO)in the ionic liquid[BMIm][Ntf_(2)]through microwave decomposition ***@rGO with the polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)(PEdOt:PSS)as binder was positively tested for its response towards the oxidizing gas nitrogen dioxide(10 ppm in air),the reducing gas carbon monoxide(3000 ppm in N_(2))and the volatile organic compound(VOC)acetone(35,000 ppm in air).the results from different gases were compared at different temperatures with the best results for NO_(2) at 200℃.Additionally,it is shown for NO_(2) gas that the Ni@rGO-PEdOt:PSS polymer composite gives better results than the rGO-PEdOt:PSS polymer *** the heat treatment the oxidation state of pure nickel nanoparticles were confirmed by powder diffraction.

关键词： Nickel nanoparticles reduced graphene oxide Gas sensing Nanocomposite

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Solid-state emissive biphenylene bridged bisaroyl-S,N-ketene acetals as distinct aggregation-induced enhanced emitters and fluorometric probes

Aggregate

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Aggregate 2021年第5期2卷 179-184页

作者： Lukas Biesen thomas J.J.Muller institut fur Organische und Makromolekulare chemie Heinrich-Heine-Universitat DusseldorfDüsseldorfGermany

Biphenylene bridged bisaroyl-S,N-ketene acetals can be readily synthesized by a one-pot Masuda borylation-Suzuki arylation sequence,thus,yielding a library of 20 bisaroyl-S,N-ketene acetals with tunable solid-state emission and aggregationinduced enhanced emission characteristics depending on the para substituents in the starting *** applications as fluorometric probe of alcoholic beverages are outlined.

关键词： aggregation-induced emission aroyl-S N-ketene acetals liquor sensors one-pot reaction solid-state

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LOW-tEMPErAtUrE COCrYStALLIZAtION

LOW-TEMPERATURE COCRYSTALLIZATION

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Sixteenth Congress of the International Union of Crystallography

作者： d.Mootz W.Poll institut für Anorganische chemie und strukturchemie Heinrich-Heine-Universitt DüsseldorfW-4000 DüsseldorfGermany

＜正＞formation and crystal structure Of low-melting adducts in certain small-molecule quasi-binary systems with hydrogen bonding as the pertinent interaction will be *** are hydrates and hydrogen-halide adducts of various（other） weak and strong acids and bases of the BrΦnsted and Lewis type. the respective melting diagrams are set up by dtA and X-ray powder *** crystals of adducts established in this way are grown in situ in capillaries on a low-temperature X-ray

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sp^(3)-like defect structure of hetero graphene-carbon nanotubes for promoting carrier transfer and stability

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Journal of Energy Chemistry 2021年第6期30卷 189-197,I0005页

作者： Shan-Shan fan Ling Shen Yuan dong Ge tian Si-Ming Wu Gang-Gang Chang Christoph Janiak Ping Wei Jin-Song Wu Xiao-Yu Yang State Key Laboratory of Advanced technology for Materials Synthesis and Processing and School of Materials Science&EngineeringWuhan University of TechnologyWuhan 430070HubeiChina School of Chemistry Chemical Engineering and Life ScienceWuhan University of TechnologyWuhan 430070HubeiChina institut für Anorganische chemie und strukturchemie Heinrich-Heine-Universität Düsseldorf40204 DüsseldorfGermany NrC(Nanostructure research Centre) Wuhan University of TechnologyWuhan 430070HubeiChina department of Engineering and Applied Sciences Harvard University CambridgeMA 02138United States

three-dimensional(3 d) hybrid of nanocarbons is a very promising way to the high-performance design of electrocatalysis ***,sp^(3)-like defect structure,a combination of high strength and conduction of graphene and carbon nanotubes(CNts) is rarely ***,3 d neural-like hybrids of graphene(from reduced graphene oxide) and carbon nanotubes(CNts) have been integrated via sp^(3)-like defect structure by a hydrothermal *** sp^(3)-like defect structure endows 3 d nanocarbon hybrids with an enhanced carrier transfer,high structural stability,and electrocatalytic *** neural-like structure is shown to demonstrate a cascade effect of charges and significant performances regarding bio-electrocatalysis and lithium-sulfur energy *** concept and mechanism of "sp^(3)-like defect structure" are proposed at an atomic/nanoscale to clarify the generation of rational structure as well as the cascade electron transfer.

关键词： Graphene Carbon nanotubes sp^(3)-like defect structure Bio-electrocatalysis Lithium-sulfur batteries

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