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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共74条记录   Multiphoton Absorption and Emission by Interaction of Swift Electrons with Evanescent Light Fields [作者：de Abajo, FJG; Asenjo-Garcia, A; Kociak, M,期刊：Nano Letters, 页码：1859-1863 , 文章类型： Article，,卷期：2010年10-5] We introduce a theory to describe the interaction of swift electrons with strong evanescent light fields. This allows us to explain recent experimental results of multiple energy losses and gains for electrons passing ne... Suspended Graphene Sensors with Improved Signal and Reduced Noise [作者：Cheng, ZG; Li, Q; Li, ZJ; Zhou, QY; Fang, Y,期刊：Nano Letters, 页码：1864-1868 , 文章类型： Article，,卷期：2010年10-5] We report enhanced performance of suspended graphene field effect transistors (Gra-FETs) as sensors in aqueous solutions. Etching of the silicon oxide (SiO2) substrate underneath graphene was carried out in situ during e... Sealing of Submicrometer Wells by a Shear-Driven Lipid Bilayer [作者：Jonsson, P; Jonsson, MP; Hook, F,期刊：Nano Letters, 页码：1900-1906 , 文章类型： Article，,卷期：2010年10-5] A supported lipid bilayer (SLB) was formed in a microfluidic channel by vesicle fusion. The SLB, formed on a flat part of the surface, was driven by the shear forces of a bulk flow above the SLB to a part of the surface ... DNA-Mediated Control of Metal Nanoparticle Shape: One-Pot Synthesis and Cellular Uptake of Highly Stable and Functional Gold Nanoflowers [作者：Wang, ZD; Zhang, JQ; Ekman, JM; Kenis, PJA; Lu, Y,期刊：Nano Letters, 页码：1886-1891 , 文章类型： Article，,卷期：2010年10-5] The effects of different DNA molecules of the same length on the morphology of gold nanoparticles during synthesis are investigated. While spherical nanoparticles (AuNS) are observed in the presence of 30-mer poly T, lik... Reproducible, High-Throughput Synthesis of Colloidal Nanocrystals for Optimization in Multidimensional Parameter Space [作者：Chan, EM; Xu, CX; Mao, AW; Han, G; Owen, JS; Cohen, BE; Milliron, DJ,期刊：Nano Letters, 页码：1874-1885 , 文章类型： Article，,卷期：2010年10-5] While colloidal nanocrystals hold tremendous potential for both enhancing fundamental understanding of materials scaling and enabling advanced technologies, progress in both realms can be inhibited by the limited reprodu... Large, Solution-Processable Graphene Quantum Dots as Light Absorbers for Photovoltaics [作者：Yan, X; Cui, X; Li, BS; Li, LS,期刊：Nano Letters, 页码：1869-1873 , 文章类型： Article，,卷期：2010年10-5] Graphenes have very attractive properties for photovoltaics. Their tunable bandgap and large optical absorptivity are desirable for efficient light harvesting. Their electronic levels and interfacing with other materials... Dependence of Carrier Mobility on Nanocrystal Size and Ligand Length in PbSe Nanocrystal Solids [作者：Liu, Y; Gibbs, M; Puthussery, J; Gaik, S; Ihly, R; Hillhouse, HW; Law, M,期刊：Nano Letters, 页码：1960-1969 , 文章类型： Article，,卷期：2010年10-5] We measure the room-temperature electron and hole field-effect mobilities (mu(FE)) of a series of alkanedithiol-treated PbSe nanocrystal (NC) films as a function of NC size and the length of the alkane chain. We find tha... Optomechanical and Crystallization Phenomena Visualized with 4D Electron Microscopy: Interfacial Carbon Nanotubes on Silicon Nitride [作者：Flannigan, DJ; Zewail, AH,期刊：Nano Letters, 页码：1892-1899 , 文章类型： Article，,卷期：2010年10-5] With ultrafast electron microscopy (UEM), we report observation of the nanoscopic crystallization of amorphous silicon nitride, and the ultrashort optomechanical motion of the crystalline silicon nitride at the interface... Phase Behavior and Structure of a New Colloidal Model System of Bowl-Shaped Particles [作者：Marechal, M; Kortschot, RJ; Demirors, AF; Imhof, A; Dijkstra, M,期刊：Nano Letters, 页码：1907-1911 , 文章类型： Article，,卷期：2010年10-5] We study the phase behavior of bowl-shaped (nano)particles using confocal microscopy and computer simulations. Experimentally, we find the formation of a wormlike fluid phase in which the bowl-shaped particles have a str... Wedging Transfer of Nanostructures [作者：Schneider, GF; Calado, VE; Zandbergen, H; Vandersypen, LMK; Dekker, C,期刊：Nano Letters, 页码：1912-1916 , 文章类型： Article，,卷期：2010年10-5] We report a versatile water-based method for transferring nanostructures onto surfaces of various shapes and compositions. The transfer occurs through the intercalation of a layer of water between a hydrophilic substrate... Top-Gated Graphene Nanoribbon Transistors with Ultrathin High-k Dielectrics [作者：Liao, L; Bai, JW; Cheng, R; Lin, YC; Jiang, S; Huang, Y; Duan, XF,期刊：Nano Letters, 页码：1917-1921 , 文章类型： Article，,卷期：2010年10-5] The integration ultrathin high dielectric constant (high-k) materials with graphene nanoribbons (GNRs) for top-gated transistors can push their performance limit for nanoscale electronics. Here we report the assembly of ... Three-Dimensional Electron Density Mapping of Shape-Controlled Nanoparticle by Focused Hard X-ray Diffraction Microscopy [作者：Takahashi, Y; Zettsu, N; Nishino, Y; Tsutsumi, R; Matsubara, E; Ishikawa, T; Yamauchi, K,期刊：Nano Letters, 页码：1922-1926 , 文章类型： Article，,卷期：2010年10-5] Coherent diffraction microscopy using highly focused hard X-ray beams allows us to three-dimensionally observe thick objects with a high spatial resolution, also providing us with unique structural information, i.e., ele... Two-Photon Quantum Dot Excitation during Optical Trapping [作者：Jauffred, L; Oddershede, LB,期刊：Nano Letters, 页码：1927-1930 , 文章类型： Article，,卷期：2010年10-5] A single CW infrared laser beam can simultaneously trap and excite an individual colloidal quantum dot. Though the laser light is relatively weak, the excitation occurs through two-photon absorption. This finding elimina... Hole-Induced Electron Transport through Core-Shell Quantum Dots: A Direct Measurement of the Electron-Hole Interaction [作者：Swart, I; Sun, ZX; Vanmaekelbergh, D; Liljeroth, P,期刊：Nano Letters, 页码：1931-1935 , 文章类型： Article，,卷期：2010年10-5] Quantum dots (QDs) have promising optoelectronic properties. Colloidal QD heterostructures, systems in which two semiconductors are incorporated in a single colloid, may show novel and potentially useful transport phenom... Plasmonic Lenses Formed by Two-Dimensional Nanometric Cross-Shaped Aperture Arrays for Fresnel-Region Focusing [作者：Lin, L; Goh, XM; McGuinness, LP; Roberts, A,期刊：Nano Letters, 页码：1936-1940 , 文章类型： Article，,卷期：2010年10-5] We present the experimental demonstration of what are to our knowledge the first two-dimensional planar plasmonic lenses formed by an array of spatially varying cross-shaped apertures in a metallic film for Fresnel-regio... Rational Design and Synthesis of Freestanding Photoelectric Nanodevices as Highly Efficient Photocatalysts [作者：Qu, YQ; Liao, L; Cheng, R; Wang, Y; Lin, YC; Huang, Y; Duan, XF,期刊：Nano Letters, 页码：1941-1949 , 文章类型： Article，,卷期：2010年10-5] Photocatalysts are of significant interest in solar energy harvesting and conversion into chemical energy. However, the photocatalysts available to date are limited by either poor efficiency in the visible light range or...