Self-diffusion of water and benzene molecules adsorbed in synthetic opal samples

Vartapetian R; Khozina E; Bardyshev I

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Self-diffusion of water and benzene molecules adsorbed in synthetic opal samples

机译：合成蛋白石样品中吸附的水和苯分子的自扩散

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The self-diffusion of adsorbed molecules of water and benzene in porous synthetic opals has been studied by pulsed field gradient nuclear magnetic resonance. The study indicates two '' phases '' of water molecules differing by the self-diffusion coefficients, indicating two types of porosities existing in the synthetic opals. The smallest self-diffusion coefficient characterizes water in ultramicropores found on the surface of nanospheres. The form of the diffusion decay depends on temperature in the region of high temperatures as a result of exchange between pores of different sizes. The ultramicropores are inaccessible for the largest benzene molecules. Water adsorption and self-diffusion data confirm that annealing of the opal samples at 1293 K caused the collapse of ultramicropores.

机译：通过脉冲场梯度核磁共振研究了多孔合成蛋白石中水和苯吸附分子的自扩散。研究表明水分子的两个“相”的自扩散系数不同，表明合成蛋白石中存在两种类型的孔隙。最小的自扩散系数是纳米球表面超微孔中水的特征。由于不同尺寸的孔之间的交换，扩散衰减的形式取决于高温区域中的温度。对于最大的苯分子来说，超微孔是无法接近的。水吸附和自扩散数据证实蛋白石样品在1293 K处退火导致超微孔塌陷。

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《Applied Magnetic Resonance》 |2005年第3期|共10页
作者
Vartapetian R; Khozina E; Bardyshev I;
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正文语种 eng
中图分类电磁学、电动力学;
关键词
ADSORPTION; CRYSTALS; CARBONS;

机译：吸附;晶体;碳;

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专利

1. Self-diffusion of water and benzene molecules adsorbed in synthetic opal samples [J] . Vartapetian R, Khozina E, Bardyshev I Applied Magnetic Resonance . 2005,第3期

机译：合成蛋白石样品中吸附的水和苯分子的自扩散
2. Surface Self-Diffusion of Organic Molecules Adsorbed in Porous Silicon [J] . Rustem Valiullin, Pavel Kortunov, Jbrg Karger, The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2005,第12期

机译：多孔硅中吸附的有机分子的表面自扩散
3. State of water molecules and silanol groups in opal minerals: a near infrared spectroscopic study of opals from Slovakia [J] . Miroslav Boboň, Alfred A. Christy, Daniel Kluvanec, Physics and Chemistry of Minerals . 2011,第10期

机译：蛋白石矿物中水分子和硅烷醇基团的状态：来自斯洛伐克的蛋白石的近红外光谱研究
4. Stability, Structural and Electronic Properties of Benzene Molecule Adsorbed on Free Standing Au Layer [C] . Neha Katoch, Pooja Kapoor, Munish Sharma, DAE Solid State Physics Symposium . 2016

机译：在自由静态Au层上吸附苯分子的稳定性，结构和电子性质
5. Nano-engineering of colloidal particles, synthetic biomimetic blood cells, synthetic opals, photonic crystals and the physics of self-assembling nanostructures. [D] . Landon, Preston Boone. 2005

机译：胶体粒子，合成仿生血细胞，合成蛋白石，光子晶体以及自组装纳米结构的物理原理的纳米工程。
6. Chromatographic modeling of the release of particle-adsorbed molecules into synthetic alveolar surfactant. [O] . S S Sehnert, T H Risby 1988

机译：颗粒吸附分子释放到合成肺泡表面活性剂中的色谱建模。
7. Carbon-13 Nuclear Magnetic Relaxation Studies of Benzene Molecules Adsorbed on the Pillar Interlayered Montmorillonite [O] . Mutsuyoshi Matsumoto, Sumio Shinoda, Hiroshi Takahashi, 1984

机译：碳-13核磁松弛研究吸附在柱中间蒙脱石上的苯分子
8. Surface-Enhanced Raman Spectroscopy as a Probe or Adsorbate-Surface Bonding: Benzene and Monosubstituted Benzenes Adsorbed at Gold Electrodes [R] . Gao, P., Weaver, M. J. 1985

机译：表面增强拉曼光谱作为探针或吸附物 - 表面键合：苯和单取代苯吸附在金电极上

Self-diffusion of water and benzene molecules adsorbed in synthetic opal samples

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