3-D system based on optical fiber could provide new options for photovoltaics
Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.
Nov 02, 2009
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Nov 02, 2009
4.5 / 5 (12)
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Atomic Wire with Protective Sheath: Stable Metal Nanowires One Atom Wide Inside Carbon Nanotubes
(PhysOrg.com) -- Wires with atomic dimensions are potential structural elements for future nanoscopic electronic components. Such fine wires have completely new electronic properties. However, apart from the non-trivial production ...
Oct 07, 2009
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Diesel from waste: Simple, energy-efficient process for producing high-quality fuels from biomass
(PhysOrg.com) -- For the last ten years, biodiesel in the form of fatty acid methyl ester has been promoted as a replacement for fossil-fuel-based diesel fuel. It was soon found that this has its problems ...
Feb 03, 2011
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Cobalt discovery replaces precious metals as industrial catalyst
(Phys.org)—Cobalt, a common mineral, holds promise as an industrial catalyst with potential applications in such energy-related technologies such as the production of biofuels and the reduction of carbon ...
Nov 27, 2012
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Chemically assembled metamaterials may lead to superlenses
(PhysOrg.com) -- Nanomanufacturing technology has enabled scientists to create metamaterials -- stuff that never existed in nature -- with unusual optical properties. They could lead to "superlenses" able ...
Nov 02, 2011
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Golden pairs: Catalytic dimers of gold atoms make ethylene from methane
(PhysOrg.com) -- Ethylene (ethene, CH2=CH2) is a primary feedstock for chemical industry, and particularly for the production of plastics like polyethylene and polystyrene. Ethylene is currently made by the steam cracking ...
Jan 19, 2010
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Chemists cram two million nanorods into single cancer cell
(PhysOrg.com) -- Rice University chemists have found a way to load more than 2 million tiny gold particles called nanorods into a single cancer cell. The breakthrough could speed development of cancer treatments ...
Nov 16, 2011
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Researchers transform carbon dioxide into methanol
Scientists at Singapore's Institute of Bioengineering and Nanotechnology (IBN) have succeeded in unlocking the potential of carbon dioxide - a common greenhouse gas - by converting it into a more useful product.
Apr 16, 2009
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Valeric fuels: a new generation of biogasoline and biodiesel from lignocellulose
(PhysOrg.com) -- One of the most pressing problems of our time is the increasing demand for energy in the face of decreasing oil and natural gas reserves, which is also tied to the increasing release of the greenhouse gas ...
May 10, 2010
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Boost for Methanol? New solid catalyst for the direct low-temperature oxidation of methane to methanol
(PhysOrg.com) -- As a possible energy source for fuel cells or a substitute for gasoline, methanol is increasingly drawing attention beyond its importance as a feedstock for chemical industry. It can be stored much more efficiently ...
Aug 21, 2009
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Bright lights of purity: Researchers discover why pure quantum dots and nanorods shine brighter
To the lengthy list of serendipitous discoveries – gravity, penicillin, the New World – add this: Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered why a promising ...
Jan 30, 2012
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Homogeneous catalysis: ruthenium phosphine complex hydrogenates carbon dioxide to make methanol
(Phys.org) -- Fossil-based resources are declining and their use releases the greenhouse gas CO2. Both of these problems could be significantly mitigated if we could use CO2 as a carbon source for the production ...
Jul 24, 2012
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Secret revealed: The crystal structure of ribose
(PhysOrg.com) -- D-Ribose is just a small molecule - but an extremely important one for us life forms. It is astounding that the crystal structure of ribose is not included among the over 500,000 structures ...
Jul 08, 2010
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Catalyst keeps fruit fresh longer
(Phys.org) —Ripening fruit, vegetables, and flowers release ethylene, which works as a plant hormone. Ethylene accelerates ripening, so other unripened fruit also begins to ripen—fruit and vegetables ...
May 13, 2013
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Biting its own tail: Nanocontainer with an integrated switch
(PhysOrg.com) -- The ouroboros (ancient Greek for "tail devourer") is a motif found in many cultures: a snake biting its own tail, it symbolizes eternity and cycles. Julius Rebek, Jr. and Fabien Durola (The ...
Apr 20, 2010
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