The Preparation and High Photon-Sensing Properties of Fluorinated Tin Dioxide Nanowires

Abstract

The photon-sensing abilities of SnO(2) nanowires have been investigated before and after surface fluorination by microwave plasma-enhanced chemical vapor deposition. The electrical conductance and photon-sensing abilities of SnO(2) nanowires were remarkably improved by an effective doping of fluorine into the surface of the nanowires. These results demonstrated that the fluorinated SnO(2) nanowires have potential applications as UV photodetectors with high photon-sensing properties. (C) 2009 The Electrochemical Society. [DOI:10.1149/1.3223984] All rights reserved

Enhanced NO2 gas sensing properties of WO3 nanorods encapsulated with ZnO

“…In recent years, one-dimensional (1D) nanostructurebased sensors have become a focus of intensive research owing to their high response, superior spatial resolution and rapid response associated with individual nanostructures due to the high surface-to-volume ratios compared with thin film gas sensors [8][9][10][11][12]. On the other hand, it is important to improve their sensing performance, detection limit, and operation temperature.…”

Methane adsorption characteristics on β-Ga2O3 nanostructures: DFT investigation

“…Ga 2 O 3 can also be utilized for sensing reducing gases such as CO, H 2 , CH 4 at high temperature [12,13]. Nanostructured semiconductor gas sensors attract scientific community owing to its superior spatial resolution, high sensitivity and rapid response due to high surface to volume ratio in thin films [14][15][16][17][18]. However, enhancing the detection limit and response toward target gas is a challenging task.…”

CO Gas-Sensor Based on Pt-Functionalized Mg-Doped ZnO Nanowires

“…[1][2][3] However, it still remains a challenge to enhance their sensing performance and detection limit. A range of techniques such as doping, [4][5][6] surface functionalization, [7][8][9] and fabrication of heterostructures [10][11][12] have been developed to improve the sensitivity, stability, response, recovery speed of the 1D nanostructurebased sensors. Among these techniques, the functionalization of 1D nanostructure surfaces with catalysts such as Pd and Pt may be the simplest and most effective technique because the resistance of the sensor changes greatly upon exposure to target gas at low temperatures.…”