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She s studying ways to use biological nanowires to transfer the extra energy from the light-harvesting cell into another cell that s genetically engineered to produce fuel or food.
The nanowires would be analogous to electrical transmission lines, distributing power from one part of the grid to another.
and spread on a glass substrate that s covered in a forest of zinc oxide nanowires and titanium dioxide sponges.#
and the nanowires carry the electricity away. In essence, Mershin has replaced the layer of silicon in conventional photovoltaic cells with a slurry of photosynthesizing molecules.
The paper is titled A Fully Integrated Nanosystem of Semiconductor Nanowires for Direct Solar Water Splitting.
The photo-generated electrons in the silicon nanowires migrate to the surface and reduce protons to generate hydrogen
while the photo-generated holes in the titanium oxide nanowires oxidize water to evolve oxygen molecules.
Hidden images â#drawnâ##by focused laser beam on silicon nanowires could improve optical functionalitiesin a related study published in the journal Scientific Reports on 13 may 2014 Prof Sow led
another team of researchers from the NUS Faculty of science in collaboration with scientists from Hong kong Baptist University to investigate how â#drawingâ##micropatterns on mesoporous silicon nanowires could change the properties of nanowires and advance their applications.
The team scanned a focused laser beam rapidly onto an array of mesoporous silicon nanowires which are packed closely like the tightly woven threads of a carpet.
They found that the focused laser beam could modify the optical properties of the nanowires causing them to emit greenish-blue fluorescence light.
This is the first observation of such a laser-modified behaviour from the mesoporous silicon nanowires to be reported.
 The researchers systematically studied the laser-induced modification to gain insights into establishing control over the optical properties of the mesoporous silicon nanowires.
To put their findings to the test the researchers engineered the functional components of the nanowires with interesting applications.
Over the past eight years Cui's team has tackled the breakage problem by using silicon nanowires
In the future, nanodevices could use zinc oxide nanowires that draw energy from vibrations such as from the flow of blood
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