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A novel air flow sensor from printed PEDOT micro-hairs
We report the creation of a low flow rate sensor from PEDOT micro-hairs. The hairs are printed as pipette-defined depositions using a nanopositioning system. The printing technique was developed for fabricating structures in 2D and 3D. Here micro-hairs with diameters of 4.4 μm were repeatedly extrud...
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Published in: | Smart materials and structures 2013-11, Vol.22 (11), p.112001-1-6 |
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container_start_page | 112001 |
container_title | Smart materials and structures |
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creator | Parcell, J Aydemir, N Devaraj, H Travas-Sejdic, J Williams, D E Aw, K C |
description | We report the creation of a low flow rate sensor from PEDOT micro-hairs. The hairs are printed as pipette-defined depositions using a nanopositioning system. The printing technique was developed for fabricating structures in 2D and 3D. Here micro-hairs with diameters of 4.4 μm were repeatedly extruded with constant heights. These hairs were then applied to produce a prototype flow rate sensor, which was shown to detect flows of 3.5 l min−1. Structural analysis was performed to demonstrate that the design can be modified to potentially observe flows as low as 0.5 l min−1. The results are extended to propose a practical digital flow rate sensor. |
doi_str_mv | 10.1088/0964-1726/22/11/112001 |
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subjects | Deposition Exact sciences and technology General equipment and techniques Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing |
title | A novel air flow sensor from printed PEDOT micro-hairs |
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