Enhancement of Sieve Tray Efficiency using Computational Fluid Dynamics

Singh, Sumit Kumar

doi:10.4172/2157-7048.s1-004

Cited by 1 publication

(2 citation statements)

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“…poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) 8 and pure ZnSnO 3 have been used alone in many sensors including humidity sensors. ZnSnO 3 has been used in the sensing of ethanol, 9 H 2 , 10 H 2 S, HCHO, C 2 H 5 OH, 11 and humidity sensing 5,12,13 On the other hand, PEDOT:PSS has also been widely used for sensing of gases 14,15 as well as for humidity sensing.…”

Section: Introductionmentioning

confidence: 99%

“…RH sensors have been extensively fabricated using conductive polymers, 1-3 polymermetal oxide composite, 4 semi-conductive materials, 5 nano-composites of polymers with nano-rods 6,7 and nano-wires, etc. poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) 8 and pure ZnSnO 3 have been used alone in many sensors including humidity sensors.…”

Section: Introductionmentioning

confidence: 99%

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Humidity Sensor Based on PEDOT:PSS and Zinc Stannate Nano-composite

Aziz

Chang

Doh

et al. 2015

Journal of Elec Materi

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A composite of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) and zinc stannate (ZnSnO 3 ) has been introduced for impedancebased humidity sensing, owing to its high sensitivity, good stability, very fast response ($0.2 s) and recovery time ($0.2 s), small hysteresis, repeatability, low-cost fabrication and wide range of sensitivity. Both materials were mixed in three different weight percentage ratios, to optimize the performance of the sensors. Best response was observed for 5 wt.% PEDOT:PSS and 5 wt.% ZnSnO 3 . The impedance of the sensor was dropped immensely from 1.5 MX to 50 kX by changing relative humidity from 0% to 90%. The reason for this improvement in sensitivity was analyzed by virtue of sensing mechanisms and different characterizations (three dimensional (3D) nano-profiler, optical microscope, and fourier transform infra-red (FTIR) spectroscopy) revealing the surface morphology and chemical structure of the film. Due to its response and ability to sense human breath and skin humidity, it is suitable for environmental, artificial skin and food industry applications.

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