Synthesis and toluene sensing properties of SnO2 nanofibers

A simple method for the large-scale synthesis of SnO2 nanofibers has been demonstrated through an electrospinning method. The as-synthesized fibers are characterized by scanning electron microscopy, transmission electron microscopy, selected area electron diffraction, X-ray diffraction, and energy dispersive X-ray analysis. The sensor fabricated from these fibers exhibits high response to toluene at 350 ◦ C with good selectivity. The response time and recovery time are about 1 and 5 s, respectively. The linear dependence of the response value on the toluene concentration is observed in the range of 10–300 ppm. The potential application of SnO2 nanofibers for fabricating high performance toluene sensors at industry level has been demonstrated. © 2008 Elsevier B.V. All rights reserved.

[1]  Chongwu Zhou,et al.  Detection of NO2 down to ppb levels using individual and multiple In2O3 nanowire devices , 2004 .

[2]  T. Wang,et al.  Fast humidity sensors based on CeO2 nanowires , 2007 .

[3]  Nicolae Barsan,et al.  Flame spray synthesis of tin dioxide nanoparticles for gas sensing , 2004 .

[4]  P. Patil,et al.  Synthesis and LPG sensing properties of nano-sized cadmium oxide. , 2007, Talanta.

[5]  G. Sberveglieri,et al.  Oxide nanopowders from the low-temperature processing of metal oxide sols and their application as gas-sensing materials , 2006 .

[6]  Matteo Ferroni,et al.  Synthesis and characterization of semiconducting nanowires for gas sensing , 2007 .

[7]  Y. J. Chen,et al.  Synthesis and ethanol sensing properties of ZnSnO3 nanowires , 2005 .

[8]  Chenglu Lin,et al.  Fabrication and ethanol sensing characteristics of ZnO nanowire gas sensors , 2004 .

[9]  Kong,et al.  Nanotube molecular wires as chemical sensors , 2000, Science.

[10]  Ulrich Simon,et al.  Metal and metal oxide nanoparticles in chemiresistors: does the nanoscale matter? , 2006, Small.

[11]  Y. Shimizu,et al.  Gas-sensing characteristics of Li+-doped and undoped ZnO whiskers , 1989 .

[12]  Masanobu Matsuguchi,et al.  Chemically modified copolymer coatings for mass-sensitive toluene vapor sensors , 2008 .

[13]  Q. Wan,et al.  SnO2 nanowhiskers and their ethanol sensing characteristics , 2004 .

[14]  J. Oh,et al.  Facile Fabrication of Photochromic Dye–Conducting Polymer Core–Shell Nanomaterials and Their Photoluminescence , 2003 .

[15]  N. Yamazoe,et al.  C2H4O sensing properties for thick film sensor using La2O3-modified SnO2 , 2006 .

[16]  D. Y. Kim,et al.  Ultrasensitive chemiresistors based on electrospun TiO2 nanofibers. , 2006, Nano letters.

[17]  Wanjin Zhang,et al.  Large-scale synthesis of tungsten oxide nanofibers by electrospinning. , 2006, Journal of colloid and interface science.

[18]  Qian Wang,et al.  Toward Large Arrays of Multiplex Functionalized Carbon Nanotube Sensors for Highly Sensitive and Selective Molecular Detection. , 2003, Nano letters.

[19]  Martin Moskovits,et al.  Detection of CO and O2 Using Tin Oxide Nanowire Sensors , 2003 .

[20]  S. Desai,et al.  Gas sensing behaviour of mat-like networked tungsten oxide nanowire thin films , 2007 .

[21]  Xiangyang Ma,et al.  From ZnO nanorods to 3D hollow microhemispheres: solvothermal synthesis, photoluminescence and gas sensor properties , 2007 .

[22]  Zhong Lin Wang,et al.  Ultrasensitive and highly selective gas sensors using three-dimensional tungsten oxide nanowire networks , 2006 .

[23]  Nicola Donato,et al.  Ethanol sensors based on Pt-doped tin oxide nanopowders synthesised by gel-combustion , 2006 .

[24]  Tiancheng Wang,et al.  Oxygen sensing characteristics of individual ZnO nanowire transistors , 2004 .

[25]  Yang-Kyu Choi,et al.  Chemical sensors based on nanostructured materials , 2007 .

[26]  Tongtong Wang,et al.  Contact-controlled sensing properties of flowerlike ZnO nanostructures , 2005 .

[27]  Deren Yang,et al.  Low-temperature chemical solution route for ZnO based sulfide coaxial nanocables: general synthesis and gas sensor application , 2007 .

[28]  Taihong Wang,et al.  Highly sensitive ethanol sensors based on {100}-bounded In2O3 nanocrystals due to face contact , 2006 .

[29]  Y. J. Chen,et al.  Synthesis and ethanol sensing characteristics of single crystalline SnO2 nanorods , 2005 .

[30]  Y. Qiu,et al.  ZnO Nanotetrapods: Controlled Vapor‐Phase Synthesis and Application for Humidity Sensing , 2007 .

[31]  N. Bârsan,et al.  Metal oxide-based gas sensor research: How to? , 2007 .

[32]  Yang Li,et al.  Fast response thin film SnO2 gas sensors operating at room temperature , 2006 .

[33]  Zhaoxiong Xie,et al.  High-sensitivity humidity sensor based on a single SnO(2) nanowire. , 2007, Journal of the American Chemical Society.

[34]  Makoto Egashira,et al.  Correlation between methylmercaptan gas-sensing properties and its surface chemistry of SnO2-based sensor materials , 2000 .

[35]  Z. Jing.  Fabrication and gas sensing properties of Ni-doped gamma-Fe2O3 by anhydrous solvent method , 2006 .

[36]  X. Y. Xue,et al.  Extremely high oxygen sensing of individual ZnSnO3 nanowires arising from grain boundary barrier modulation , 2007 .

[37]  Irina I. Ivanova,et al.  Nanocomposites SnO2/Fe2O3: Sensor and catalytic properties , 2006 .