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8,287 Newest Publications in acs nano

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Reversible Attachment of Platinum Alloy Nanoparticles to Nonfunctionalized Carbon Nanotubes

27-Apr-2010 | Beate Ritz; Hauke Heller; Anton Myalitsin; Andreas Kornowski; Francisco J. Martin-Martinez; Santiago Melchor; Jose A ..., ACS Nano, 2010

The formation of monodisperse, tunable sized, alloyed nanoparticles of Ni, Co, or Fe with Pt and pure Pt nanoparticles attached to carbon nanotubes has been investigated. Following homogeneous nucleation, nanoparticles attach directly to nonfunctionalized single-walled and multi-walled carbon ...

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Enhanced Thermoelectric Performance of Single-Walled Carbon Nanotubes/Polyaniline Hybrid Nanocomposites

27-Apr-2010 | Qin Yao; Lidong Chen; Wenqing Zhang; Shengcong Liufu; Xihong Chen, ACS Nano, 2010

Hybrid nanocomposites containing carbon nanotubes (CNTs) and ordered polyaniline (PANI) have been prepared through an in situ polymerization reaction using a single-walled nanotube (SWNT) as template and aniline as reactant. TEM, SEM, XRD, and Raman analyses show that the polyaniline grew along ...

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Synthesis of In2O3 Nanowire-Decorated Ga2O3 Nanobelt Heterostructures and Their Electrical and Field-Emission Properties

27-Apr-2010 | Jing Lin; Yang Huang; Yoshio Bando; Chengchun Tang; Chun Li; Dmitri Golberg, ACS Nano, 2010

We report on the synthesis of In2O3 nanowire-decorated Ga2O3 nanobelt heterostructures via a simple catalyst-free method. A typical heterostructure, where an In2O3 nanowire forms a sort of a “dorsal fin” on the Ga2O3 nanobelt, exhibits the T-shaped cross-section. The structure, electrical ...

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Manipulation of Electron Beam Propagation by Hetero-Dimensional Graphene Junctions

27-Apr-2010 | Zhengfei Wang; Feng Liu, ACS Nano, 2010

We demonstrate theoretically a new mechanism for the energy-selective manipulation of electron beam by nanostructured heterodimensional graphene junctions (HDGJs). Beam splitting, collimation, and beam-guide can all be realized by designing HDGJs of different dimensionality, size and orientation. ...

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Quantum Confinement, Surface Roughness, and the Conduction Band Structure of Ultrathin Silicon Membranes

27-Apr-2010 | Feng Chen; Edwin B. Ramayya; Chanan Euaruksakul; Franz J. Himpsel; George K. Celler; Bingjun Ding; Irena Knezevic; M ..., ACS Nano, 2010

We report direct measurements of changes in the conduction-band structure of ultrathin silicon nanomembranes with quantum confinement. Confinement lifts the 6-fold-degeneracy of the bulk-silicon conduction-band minimum (CBM), Δ, and two inequivalent sub-band ladders, Δ2 and Δ4, form. We show that ...

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p-Type PbSe and PbS Quantum Dot Solids Prepared with Short-Chain Acids and Diacids

27-Apr-2010 | Mohammad H. Zarghami; Yao Liu; Markelle Gibbs; Eminet Gebremichael; Christopher Webster; Matt Law; Mohammad H. Zargh ..., ACS Nano, 2010

We show that ligand exchange with short-chain carboxylic acids (formic, acetic, and oxalic acid) can quantitatively remove oleic acid from the surface of PbSe and PbS quantum dot (QD) films to yield p-type, carboxylate-capped QD solids with field-effect hole mobilities in the range of 10−4−10−1 ...

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Erratum: Encapsulating 111In in Nanocontainers for Scintigraphic Imaging: Synthesis, Characterization, and In Vivo Biodistribution

27-Apr-2010 | Manuel M. Tsotsalas; Klaus Kopka; Gianluigi Luppi; Stefan Wagner; Marilyn P. Law; Michael Schäfers; Luisa De Cola, ACS Nano, 2010

ACS Nano, Volume 4, Issue 4, Page 2486, April 27, 2010.

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