Volume 2

Issue 08,2009

(9 articles)

Weiwei Zhou, Lei Ding, and Jie Liu (

Catalysts are of key importance in the surface growth of singlewalled carbon nanotubes; they should be monodisperse on the surface of substrates, matched with the feeding rate of carbon, and have appropriate interactions with the substrates.
2009, 2: 593-598

Kai Moshammer1, Frank Hennrich1 ), and Manfred M.


Electrophoresis (EP), density gradient centrifugation (DGC) and size exclusion chromatography (SEC) allow bulk scale separation of metallic (m-) from semiconducting (s-) single-walled carbon nanotubes (SWNTs), but all rely on starting suspensions in which SWNT dispersion is already selective with respect to electronic structure type. Suspensions in sodium dodecyl sulfate/D2O contain long bundles comprising preferentially s-SWNTs as well as shorter individual tubes consisting of predominantly m-SWNTs.
2009, 2: 599-606

Tirtha Som and Basudeb Karmakar (

Core-shell bimetallic (Au0-Ag0) nanoparticles (28-89 nm) embedded within a new glass (dielectric) matrix, K2O B2O3 Sb2O3 (KBS) have been fabricated by a single-step melt-quench methodology. The enhancement of photoluminescence upconversion of Sm3+ ions by Au Ag core-shell nanoparticles is found to be ~2 folds.
2009, 2: 607-616

Xiaolei Zuo, Cheng Peng, Qing Huang, Shiping Song, Lihua Wang, Di Li, and Chunhai Fan (

A magnetic nanoparticle and multi-walled carbon nanotube-based nanocomplex for highly effi cient phenol oxidative degradation.
2009, 2: 617-623

Giulia Mantini1,2, Yifan Gao1, A. DAmico2, C. Falconi2, and Zhong Lin Wang1

The equilibrium piezoelectric potential distribution in a deformed ZnO semiconductive nanowire has been systematically investigated in order to reveal its dependence on the donor concentration, applied force, and geometric parameters. In particular, the donor concentration significantly affects the magnitude and distribution of the electric potential. At a donor concentration of ND > 1018 cm–3, the piezopotential is almost entirely screened.
2009, 2: 624-629

Yaling Liu1,2, Zhuoyu Ji1,3, Hongxiang Li1), Wenping Hu1), Yunqi Liu1, and Daoben Zhu1

Two simple methods have been developed to obtain large area, single crystalline lamellae of CuTCNQ, which suggests bright prospects for the study and understanding of the electrical switching of CuTCNQ and its future applications in memory and switching devices.
2009, 2: 630-637

Cyrille Richard(✉), Nathalie Mignet, Céline Largeau, Virginie Escriou, Michel Bessodes, and Daniel Scherman

Carbon nanotubes (SWNT or MWNT) have been functionalized by two types of cationic amphiphiles (lipid or aromatic cationic), complexed with plasmid DNA and incubated with B16 cells. The results show that the transfection effi ciencies are dependent on the type of both nanotube and amphiphile used.
2009, 2: 638-647
Published: 27 August 2009

Daijiro Nozaki and Gianaurelio Cuniberti(

Molecular switches with bistable characteristics can be expected to work as the ultimate switching components for molecular data storage. Here we demonstrate the feasibility of this concept by modeling molecular switch junctions based on azobenzene derivatives clamped to silicon contacts. By employing molecular dynamics and non-equilibrium Green function techniques we demonstrate that very large on–off ratios can be attained even under ambient conditions.
2009, 2: 648-659

Giorgio Lanzani1, Albert G. Nasibulin2, Kari Laasonen1), and Esko I. Kauppinen2

The mechanism of CO disproportionation on an isolated Fe55 cluster has been investigated by fi rst principles electronic structure calculations.
2009, 2: 660-670