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We investigate the fluorescence properties of colloidal quantum dots coupled to gold nanowire antennas. By varying the wire length, the plasmon modes of the nanoantennas are successively tuned through the emission band of the quantum dots. We observe a pronounced fluorescence enhancement both for short and long nanoantennas. These findings can be attributed to the coupling of the quantum dots to the...
Designing complex machines and systems that operate in very difficult remote locations, with largely unknown conditions, is very challenging. Specifications for such systems must be extremely detailed and extensive, with input from professionals who have designed such systems before, and who gained considerable experience from their operations. Since much of the operating environment is not not known...
This communication reports the development and performance of a membraneless fuel cell that utilizes a convective electrolyte flow orthogonal to the plane of the cell electrodes. The orthogonal flow acts to convect reactants to the electrodes and as a pseudo-membrane between anode and cathode, preventing mixed potentials caused by back diffusion of oxidant onto the anode. The membraneless design allows...
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