Self-Organized Ultrathin Oxide Nanocrystals

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Self-organized ultrathin oxide nanocrystals.

Sub-2-nm (down to one-unit cell) uniform oxide nanocrystals and highly ordered superstructures were obtained in one step using oleylamine and oleic acid as capping and structure directing agents. The cooperative nature of the nanocrystal growth and assembly resulted in mesoscopic one-dimensional ribbon-like superstructures made of these ultrathin nanocrystals. The process reported here is gener...

متن کامل

Ordered Self-Assembling of Tetrahedral Oxide Nanocrystals

Self-assembling of size, shape, and phase controlled nanocrystals into superlattices with translational and even orientational ordering is a new approach for engineering nanocrystal materials and devices. High purity tetrahedral nanocrystals of CoO, with edge lengths of 4.4 6 0.2 nm, were synthesized and separated from Co nanocrystals, using a novel magnetic field phase-selection technique. Sel...

متن کامل

In Situ Structural Evolution of Self-Assembled Oxide Nanocrystals

Self-assembling of organic passivated nanocrystals has attracted a lot of interest recently. In this paper, the structural evolution of tetrahedral CoO nanocrystals is studied in situ using transmission electron microscopy. The as-prepared superlattices are Na(AOT)-passivated CoO nanocrystals, packed into monolayer and multilayer arrays on an amorphous carbon film. As the specimen temperature i...

متن کامل

Formation of self-organized nanoporous anodic oxide from metallic gallium.

This paper reports the formation of self-organized nanoporous gallium oxide by anodization of solid gallium metal. Because of its low melting point (ca. 30 °C), metallic gallium can be shaped into flexible structures, permitting the fabrication of nanoporous anodic oxide monoliths within confined spaces like the inside of a microchannel. Here, solid gallium films prepared on planar substrates w...

متن کامل

Enhanced Self-Organized Dewetting of Ultrathin Polymer Blend Film for Large-Area Fabrication of SERS Substrate

We study the enhanced dewetting of ultrathin Polystyrene (PS)/Poly (methyl methacrylate) (PMMA) blend films in a mixed solution, and reveal the dewetting can act as a simple and effective method to fabricate large-area surface-enhanced Raman scattering (SERS) substrate. A bilayer structure consisting of under PMMA layer and upper PS layer forms due to vertical phase separation of immiscible PS/...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nano Letters

سال: 2009

ISSN: 1530-6984,1530-6992

DOI: 10.1021/nl900209w