Quantum size effect

nano material performances can remarkably improve the physical properties and performances of the refractory material due to its surface effect, quantum size effect and tunnelling effect.

纳米材料由于具有表面效应、量子尺寸效应和隧道效应，以添加剂的形式加入耐火材料中，可显著提高耐火材料物理性能和使用性能。

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due to the change of diameter, nano-size materials obtain a series of qualities, such as quantum size effect, small size effect, surface and interface effects.

纳米材料因其粒径的改变而获得一系列特性，如量子尺寸效应、小尺寸效应、表面和界面效应。

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presents the investigation into the quantum size effect and photocatalytic properties of zno ultrafine particles using different testing techniques such as laser raman spectra, xrd, tem, bet, sps, uv vis absorption spectra.

利用Raman激光光谱、XRD、TEM、BET、SPS和UV-Vis等手段研究了ZnO超微粒子的量子尺寸效应和光催化性能。

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the exciton bohr radius of ge is far greater than that of silicon, indicating that obvious quantum size effect will appear in ge.

Ge的激子玻尔半径远大于硅，表明其具有更为显著的量子尺寸效应。

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Blue shift is evidently shown in UV-vis absorption spectrum, suggesting quantum size effect.

紫外-可见光吸收光谱发生蓝移，体现了纳米材料的量子尺寸效应。

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it is confirmed that the p-layer is hydrogenated nanocrystalline silicon with a wide optical gap due to quantum size effect.

明确指出导致这种氢化纳米硅能隙展宽的物理机制是量子尺寸效应。

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photovoltaic properties and quantum size effect in nanocrystalline ceo_2

CeO2纳米晶的光伏特性和量子尺寸效应

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due to their surface and interface effect, the quantum size effect, the macroscopic quantum tunnel effect and the small size effect, functional nano materials possess much fantastic physical and chemical advantages.

相较于宏观颗粒，纳米材料由于表面与界面效应、量子尺寸效应、宏观量子隧道效应和小尺寸效应而被赋予独特的物理、化学性质。

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preparation and quantum size effect of surface modified ag_2s nanoparticles

表面修饰Ag2S纳米微粒的制备及其量子尺寸效应研究

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compared with their bulk counterparts, the absorption spectral of the obtained cds and cdse nanocrystals are blue-shifted, which is attributed to the quantum size effect.

与相应的体相材料相比，所得CdS和CdSe纳米晶的吸收光谱都发生了明显的蓝移，体现出明显的量子尺寸效应。

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Synthesis and quantum size effect of carbon nanoparticles doped in gel-glasses

含碳纳米颗粒凝胶玻璃的制备及其量子尺寸效应

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graphene gets remarkable features of tiny volume, quantum size effect and so on. moreover, its unique structure and strong covalent bond between atoms determine the difference to ordinary two-dimensional physical system characteristics.

石墨烯具有体积微小、量子尺寸效应显著等特性，此外其独特的空间结构以及原子间强共价键结合等因素共同决定了它有着不同于一般二维物理体系的特性。

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dr. lee explained the quantum size effect transistor in class.

李博士在课堂上讲解了量子尺寸效应晶体管。

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quantum size effect and energy band theory were employed to explain the chromogenic mechanism of the as-fabricated ato ultrafine powders.

用量子尺寸效应和能带理论解释了所得粉体的发色机理。

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quantum size effect and light absorption of nano titania and fe(ⅲ)-doped titania

纳米TiO2及Fe（Ⅲ）掺杂纳米TiO2的光吸收量子尺寸效应

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the shift of the absorption edge is attributed to the quantum size effect.

经计算颗粒的理论值与其自由激子半径相当，说明吸收边的移动起因于量子限域效应。

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semiconductor quantum dot is a mesoscopic system with marked quantum size effect.

半导体量子点是一种具有显著量子尺寸效应的介观体系。

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with the decrement of particle size, the photocatalytic activity increases, and the quantum size effect was found when the size of tio_2 was less than 20 nm.

随粒径的减小催化剂活性提高，当粒径小于20nm时，显示量子尺寸效应。

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the authors pointed out that the existence of suspended bonds on the surface of agbr nanometer grains results in the enhancement of average bond energy, thus explained these emulsions' quantum size effect.

本文提出晶体表面的悬键的存在使得纳米晶体的平均键能升高，并对纳米AgBr乳剂的量子尺寸效应进行了解释。

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due to the quantum size effect, semiconductor quantum dot nanocrystals can be used to adjust the wavelength of the luminescence center for broadband infrared emission.

半导体量子点可利用量子尺寸效应，具有可调节红外宽带发光中心波长等特点。

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as same as the most nano-size materials, the rutile nano-tio2 has many particular properties, such as surface boundary effect, volume effect, quantum size effect, quantum tunneling effect and so on.

金红石型纳米TiO2，具有纳米材料所具有的许多独特的性能，如表面效应、体积效应、量子尺寸效应、宏观量子隧道效应等。

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quantum size effect of gaas nanoparticles embedded in sio_2

镶嵌GaAs纳米颗粒的量子尺寸效应

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silver nano-particle has some particular properties, such as surface effect, quantum size effect, etc.

纳米银粒子作为纳米世界的一种物质其有着一些非常特殊的性质，如表面效应，量子尺寸效应等。

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due to the special nature of surface effect, small size effect and quantum size effect, nanoparticles ( nps) are very different from traditional materials, and they are widely used in various aspects of daily life.

纳米颗粒（NPs）由于具有表面效应、小尺寸效应、量子尺寸效应等不同于传统材料的优良性质，在人类生活的各个方面应用广泛。

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Both spherical gold nanospheres ( AuNSs) and rodlike gold nanorods ( AuNRs) have the surface effect and the quantum size effect of metallic nanoparticles, so they exhibit the optical, electrical and catalytic properties different from macroscopic bulk gold.

无论是球形的金纳米球（AuNSs），还是棒状的金纳米棒（AuNRs）都具有金属纳米粒子常见的表面效应和量子尺寸效应，因而显示出与宏观块状金不同的光学性能、电学性能和催化性能。

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it is found that the energy band of phonon splits into a series of energy levels as a result of quantum size effect. the splitting of phonon energy levels will be more distinct as the size of nanometer crystal particle becomes smaller.

计算结果表明，由于量子尺寸效应，在纳米晶体颗粒中，声子能带分裂为一系列能级，随着纳米晶体颗粒尺寸的减小，声子能级分裂越为显著。

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the uv spectra and coloring parameters of the pigments were determined. the formation mechanism and quantum size effect of the pigments were discussed.

对纳米颜料进行了UV及颜色特性的测定与分析，探讨了纳米尖晶石颜料的形成机理及纳米粒子的量子尺寸效应。

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preparation of pbs ultrafine particles and study of quantum size effect

硫化铅超微粒的制备及量子尺寸效应研究

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the uv vis spectrum showed a wider absorption peak at 475 nm, and had 40 nm blue shift compared with bulky materials, indicating that the particles had obvious quantum size effect.

紫外-可见光谱在475nm处有最大吸收，与常规材料相比蓝移了40nm，表现出明显的量子尺寸效应。

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quantum size effect of nanometer particles has been discussed in this paper from the point of view of colloid and physical chemistry.

本文从胶体化学与物理化学的角度介绍了纳米颗粒的尺寸量子化效应。

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