2 article(s) from Pennelli, Giovanni
- Full Research Paper
- Published 11 Nov 2020
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Figure 1: (Left) Schematics of the fabrication process and (right) SEM images of silicon nanowire forests. Th...
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Figure 2: Left: sketch of the measurement apparatus. Right: thermal resistance of several samples as a functi...
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Figure 3: Measured voltage drop (Seebeck voltage ΔVseebeck) as a function of the temperature difference betwe...
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Figure 4: Numerical simulations of phosphorous diffusion in silicon nanowires. The doping concentration is ma...
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- Review
- Published 14 Aug 2014
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Figure 1: Sketch of a piece of semiconducting material, placed between a hot source (heater, temperature TH) ...
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Figure 2: a) Sketch of a thermoelectric generator: two pieces of semiconducting materials with different (opp...
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Figure 3: Efficiency of a thermoelectric generator for different values of the material-dependent parameter Z...
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Figure 4: The Z parameter is reported as a function of temperature for few most common TE materials (n type)....
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Figure 5: Panel (a): Seebeck coefficient in silicon nanowires with triangular cross section as a function of ...
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Figure 6: Electrical conductivity σ of a silicon nanowire as a function of the nanowire width (triangular cro...
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Figure 7: Sketch of a top-down fabrication process for a device based on a silicon nanowire.
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Figure 8: A composition of SEM images of a device, based on a single silicon nanowire positioned between four...
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Figure 9: Sketches of the fabrication and mechanical clamping of a macroscopic thermoelectric generator based...
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Figure 10: Composition of SEM images of a large area network, made of silicon nanowires 3 μm long.
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Figure 11: Composition of SEM images of a large area network with a different texture, with respect to Figure 10. An hu...
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Figure 12: Sketch of the fabrication of vertical nanowire arrays. A sketch of a thermoelectric generator, base...
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Figure 13: SEM image showing a top view of very deep trenches in silicon, obtained by MaCE. Patterned gold str...
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Figure 14: The SEM image on the left shows a cross section of vertical structures, obtained by MaCE etching: P...
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Figure 15: SEM image of a silicon nanowire “forest” (cross-section), fabricated by MaCE of silicon in an HF/Ag...
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