Materials Literature
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A power conversion efficiency of 7.45% has been achieved under the irradiation of simulated AM1.5G solar light (100 mW.cm−2) by the ssDSSC with the hydroxyethyl and ester co-functionalized imidazolium iodide based solid state electrolyte and a metal-free organic dye sensitizer.
Синтезированы керамические твердые растворы на основе перовскитоподобных Bi-содержащих оксидов из области морфотропной фазовой границы в системе (K0.5Na0.5)NbO3 BiScO3 AgSbO3, модифицированные добавками LiF и MnO2. Изучены фазообразование, структура, диэлектрические и сегнетоэлектрические свойства керамик. Oпределены…
Now-a-days metamaterials or Double Negative Gain (DNG)Structure have been widely used due to its potential applications. They are usually arranged in periodic patterns and gain properties not from their composition, but from their exactingly-designed structures. In this paper we report the detailed design and theoreti…
磁性粒子のブラウン運動を高精度で再現するために，粘度の値を修正することで系の設定温度を与えようとする，粘度修正法を組み込んだシミュレーション法の妥当性を検討するのが本研究の主たる目的である．得られた主な結果を要約すると次のようになる．凝集構造のスナップショットや2体相関関数に着目し，理論解と考えられるモンテカルロ法の結果と比較した結果，粘度修正法を組み込んだ本ハイブリッド型シミュレーション法は定性的および定量的に非常によい一致を示す．さらに，磁化曲線もモンテカルロ法の結果と非常によく一致することから，粒子の回転ブラウン運動も，物理的に妥当なレベルで誘起されることが明らかとなった．ついで，流れ問題へのハイブリッド型シミュレーション法…
A ternary Ag/SiO2/TiO2 nanotube array film was synthesized by a two-step approach. The dramatically enhanced photocatalytic activity of the film was evaluated via the inactivation of pathogenic bacteria under visible light irradiation.
骨量の減少は補綴治療の予後に対し大きな懸念要因となり，自家骨に代わる骨増生のためのバイオマテリアルの開発が望まれている．そこで，既存のマテリアルをハイブリッドさせた予知性の高く幅広い普及が可能な新規人工骨の開発に取り組んできた．中鎖型ポリリン酸は，線維芽細胞成長因子を安定化させ骨芽細胞の石灰化を促進する作用を有しており，骨再生への展開が期待できる．この中鎖型ポリリン酸を連通多孔性ハイドロキシアパタイトに吸着させた新規人工骨は，骨欠損部での骨形成促進効果を示した．そこで，新規人工骨としてのポリリン酸吸着人工骨の開発について，これまでに得られた知見を総括して報告する．
Zeolites are crystalline aluminosilicates with uniform microporous structures.As one of the most intriguing properties of zeolites,the electron-donating and accepting ability of the zeolite framework has attracted many attentions.Accordingly,many unique electron transfer systems have been developed based on zeolitic h…
X-ray reflectivity is a non-destructive characterization technique for thin films. Either solids or liquids, inorganic or organic compounds can be analyzed. Although this technique has the disadvantages that relatively wide and flat samples are necessary, they are overcome by using synchrotron radiation sources. In th…
The article described to the study of reactions initiated by cavitation that affect the interaction between the molecules of solutions through hydrogen bonds. They can be attributed to applied sonochemistry, and when it comes to the solutions, which are used in food processing or in medicines -to the food and medicame…
Molecular imprinting technology is an efficient method to produce functionalized materials that so far there are a lot of metal ions imprinted polymers have been prepared, including Cu(II) 1 , Hg(II) 2 , UO2(VI) 3 , Ni(II) 4 , Pa(II) 5 , Pd(III) 6 , Zn(II) 7 , Cd(II) 8 and Cs(I) 9 imprinted polymers. A new method usin…
Взаимодействием хлоридов кобальта и кадмия с 2,3,5,6-тетраоксо-4-нитропиридинатом аммония (NH4)2 · (C5HO6N2)2 выделены в кристаллическом состоянии комплексы состава [Cd(H2O)6](C5HN2O6)2 · 2H2O (I), [Co(H2O)6](C5HN2O6)2 · 2H2O (II) и сокристаллизат [Cd0.32Co0.68(H2O)6](C5HN2O6)2 · 2H2O (III). Методом РСА установлена их…
We present a simple method to modify the surface morphology of spin coated nickel phthalocyaninetertrasulfonic acid tetrasodium salt (TsNiPc) thin films by means of their immersion in different organic solvents followed by letting them dry under ambient conditions. Photovoltaic devices, based on treated TsNiPc films a…
Graphite powder as the raw material was directly sonicated in organic solvents by the liquid-phase exfoliation method,to produce high quality graphene dispersion through a high-speed centrifugation.The spray-coating method was used to prepare transparent and conductive graphene films based on flexible substrates(PET).…
Narrow-band filter based on three cascaded nanodisks embedded in a plasmonic waveguide is proposed. Resonant mode caused by the coupling among cascaded nanodisks makes the filter have high transmittance and high Q factor simultaneously.
This thesis was submitted for the award of Doctor of Philosophy and was awarded by Brunel University London.
Введение добавок Ga, V и Mn (Mx,y = 0, 5, 10 ат. %) в упорядоченный сплав Fe65Al35 Fe65 - yAl35 - xMx,y направлено на изучение общих и частных особенностей температурного (5300 К) и полевого (до 5 Tл) поведения магнитных характеристик этих сплавов. В работе обсуждается возможность интерпретации совокупности результат…
用分子动力学方法研究了层间距对石墨振荡器振荡性质的影响。在分子动力学模拟中，采用Tersoff- Brenner势结合Lennard-Jones势描述碳原子之间的相互作用。计算结果表明：层间距对石墨振荡器振荡性质的影响非常明显，随着层间距的增大石墨振荡器振荡的能量损耗越来越小。当石墨层间距为0.32 nm时，由于石墨层间摩擦力的急剧增大，石墨振动振幅迅速减低。当石墨层间距大于0.32 nm时，石墨振荡器的振荡频率随着层间距的增大而减少。研究结果为设计高性能的振荡器提供了一定的理论依据。 The oscillate behavior of graphite oscillators with different interlayer…
ポリアミド（PA）の透明性を向上させるために，核剤としてポリメチルフェニルシロキサンを含有した微粒子（ナノカプセルポリマー充填剤；直径約250 nm）を添加したシートを成形し，充填剤の効果を検討した。その結果，PAシートの引っ張り強度が約20％向上した。さらに，ポリマー内のPAの結晶が微細となりかつ均一に生成していたことから，可視光線の散乱が抑制されてシートの透明性が約10倍向上することがわかった。一方，ナノカプセル化していない充填剤を添加した場合，PAの結晶が大きく成長したために成形したシートは不透明であった。つまり，ポリマーに添加する核剤の大きさは微細（ナノサイズ）であり，かつ均一に分散させることが重要であり，とくにPAシート…
The Carbon Nanotubes have been reported to show hysteresis curves by Nano-indentation tests. To clarify the mechanism of this hysteresis, we conducted Nano-indentation tests to CNT films by using two diamond tips with different curvature radii. The AFM Nano-indentation was to perform penetration of diamond tip into CN…
The composite powders of barium-magnesium ferrite were prepared using sol-gel auto-combustion and microwave methods. The crystal structure and the shape of nanocomposites have been compared. X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) and Vibrating Sample Magnetometer (VSM) were used to investigate the…