Articles in 2009

Molecular machines take shape with new ultra-small gear-shaped devices.

A thin film of cobalt nanosheets could potentially lead to ultrahigh-capacity magnetic storage media.

Below two micrometers, the length of metallic carbon nanotubes is found to affect their electronic properties.

Magnetization experiments reveal both ferromagnetic and antiferromagnetic interactions in graphene.

Light–matter interactions at the surface of 3D photonic crystals promise novel applications.

Crystals containing lattice distortions could convert waste heat into electricity.

DNA-wrapped carbon nanotubes consolidate into a uniquely soft, tough porous network with salt-adjustable mechanical properties.

Positively charged peptide nanoparticles display efficient antimicrobial activity, essential for treating meningitis.

Solution-based treatment produces high-quality graphene easily using a scalable method.

Scientists in Korea have developed a method to make organic solar cells more sensitive to the full spectrum of the sun’s light.

Atomic oxygen emitted from incandescent zirconia could provide a superior method for depositing oxide layers on surfaces.

White light emission from a single two-component molecule is achieved through a frustration of energy transfer between the molecule’s segments.

Highly efficient dye-sensitized solar cells can be made without using toxic or volatile compounds.

Calculations show that the adsorption of organic molecules can tune the electronic properties of graphene.

The high-energy beams of an electron microscope are used to cut out a single strand of carbon atoms from a graphite flake, yielding the ultimate thin interconnect for electronics.

Crosslinked quantum dots enhance the performance of LEDs.

An electrode made from porous titanium dioxide spheres improves the efficiency of dye-sensitized solar cells.

A solid-state transformation allows switching from achiral, antiferromagnetic clusters to chiral, ferrimagnetic chains.

Simple methods for producing carbon nanoscrolls could offer new ways to fabricate interconnections in microcircuits and more efficient structures for hydrogen storage.

Crystals of a light-responsive material are shown to bend reversibly and repeatedly in response to irradiation with ultraviolet light.