Nature Chemistry - Current issue : July 2009 - Vol 1 No 4
- MOFs on the move
- Analytical chemistry: Weighing up Alzheimer's
- Chemical bonding: Capturing carbon zero
- Metal–metal bonds: Five-star reactivity
Latest highlights
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Electron spectroscopy
Article by Suenaga et al.Electron energy-loss spectroscopy (EELS) is broadly used to examine chemical composition, but single-atom analysis is hampered by the damage caused by incident electrons. Now, with an EELS technique that does not cause such damage, single calcium atoms have been identified and various elemental analyses demonstrated using metallofullerene-doped nanotubes.
Advance online publication
Graphene synthesis
Article by Gao et al.The unusual properties of graphene make it a promising candidate for nanoelectronics applications, but it remains a difficult material to make. Now, on the basis of spectroscopic data that characterize the graphene-precursor graphite oxide, researchers have devised an efficient reduction process for the large-scale production of nearly pure, highly conductive graphene sheets.
Current issue
A systematic variation of ligand properties allows an in-depth experimental and theoretical study of a highly non-canonical bonding situation in certain organic compounds, and provides insight into the criteria that must be fulfilled for such compounds to be truly considered as carbon(0)-containing entities.
News & Views by Dyker & BertrandCover story
Metal–organic frameworks
Article by Xiao et al.Materials formed by linking metal ions with organic ligands have potential for gas adsorption and storage, and can be flexible in response to stimuli. Now, suitable organic linkers result in a material that undergoes a large structural change, but does not lose crystallinity.
Research Highlights
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The latest from the literature
A short bismuth–bismuth double bond has been prepared using a gallium-substituted ligand; a new hydroxyl radical recycling mechanism must exist to account for atmospheric measurements; and a porous coordination polymer with a nine-connected structure gives an unusual arrangement of channels.
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Surface patterning
Perspective by Braunschweig et al.The direct transfer of molecules onto surfaces to form specific patterns has had a significant impact in a number of areas of science and technology, ranging from biomedical diagnostics to nanoelectronics. This Perspective compares and contrasts different lithographic approaches to molecular printing and considers future directions for this field.
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