... between nanowires (VLS method). Through charge exchange, gas molecules adsorbed may play a significant role in decreasing the potential barrier height at the tunnel junction of two crossed SiNWs (VLS ...
... * Corresponding author. E-mail: yoboue_pam@yahoo.fr ; oasseu@yahoo.fr Abstract This article presents an industrializable silicon-based microhotplate for metal oxide gassensors. It introduces ...
... Keywords: siliconnanowires; functionalization; biological; gas; humidity sensors ...of siliconnanowires (SiNWs) was reported in 1957 by Treuting and Arnold [ 1 ...on ...
... sensitive gassensorsbased on nanostructuring silicon as vertical nanowires well controlled with reproducible manner by a "top-down" ...These nanowires are electrically ...
... micro-machined silicon substrate using a drop deposition system. The silicon platform is prepared in the MICA group of Laboratoire d’Analyse et d’Architecture des Systèmes ...
... and a very slight variation lower than 0.1°C was noticed. Overall, all the changes observed in measurement results are due to the strong sensitivity of the SiMWs to the humidity. A frequency shift of 35 MHz (from 3.295 ...
... the gas sensing properties of sensorsbased on networks of Au- functionalized nano- and microstructures were widely reported [27-29], the gas sensing properties of an individual ...
... semiconductor) gassensors with SnO 2 and ZnO nanoparticles layers based on micromachined silicon substrate for the detection of CO, C 3 H 8 , NH 3 , NO 2 , ...
... nitrogen. Siliconnanowires (SiNWs) were prepared using the vapor-liquid-solid (VLS) mechanism [23], based on metal-catalyst-directed chemical vapor ...silane gas (SiH 4 ) at a pressure of ...
... Semiconductor nanowires (NWs) are the topic of intense research in many fields of solid state physics due to their potential use in high performance electronics[1-6], chemical sensors[7,8], solar ...
... cells based on ordered and disordered ...method based on low pressure to force the polymer to coat conformally on the ...cells based on the combination of PEDOT:PSS with a thin film of ...
... In this paper, it is first presented the influence of the working temperature on the CO sensitivity, then the problem of temporal drift of the polysilicon heater resistor in a microhotplate silicon platform. So, ...
... Nowadays, sensors for biological and medical applications are of great interest for detecting low concentrations of specific analytes in biological fluid or gas samples 1 ...those based on the ...
... sensor based on one single nanowire [62, 63]. Most of such single nanowire-based devices are fabricated by the pick-and-place approach to realize FETs and chemical ...Si nanowires have been grown ...
... conductance variation, due to the charge effect facilitated by positioning species between two interconnected electrodes, preserves high sensitivity with less detection time [12]. In addition, based on this ...
... the nanowires. In this case, nanowires need to be selectively collected and manipulated to be assembled in a planar ...established silicon technology, SiNWs based sensor integration will allow ...
... supercapacitors based on electrodes fabricated with 1%P-SiNWs show a high areal capacity of ...individual nanowires are required to reduce ohmic losses in macroscopic SiNW ...
... operating at a working voltage of 1.0 and 1.2 V. These devices exhibit energy [3] and maximal power density [4 , 5] values ranging from 0.8 to 10.3 nWh cm 2 and from 1.4 to 1.6 mW cm 2 using SiNWs with different ...
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