02109nas a2200241   4500008004100000022001400041245009800055210006900153260009500222300001100317490000700328520125300335653000801588653002001596653001101616653000901627100001801636700001801654700001801672700002201690700002401712856013101736       2013                        eng d  a1432-891700aAcetone vapour sensing characteristics of undoped and Zn, Ce doped SnO2 thick film gas sensor0 aAcetone vapour sensing characteristics of undoped and Zn Ce dope  aSTE 1C, JOSEPHS WELL, HANOVER WALK, LEEDS LS3 1AB, W YORKS, ENGLANDbMANEY PUBLISHINGcAPR  a98-1050 v173 a<p>The nanocrystalline materials of zinc and ceria doped tin oxide [(Zn+Ce)-SnO2] powders were synthesised by coprecipitation method and investigated for their sensing properties towards liquid petroleum gas (LPG), ethanol, ammonia and acetone vapour. The crystal structure and phase of the as synthesised and sintered powders were characterised by X-ray diffractometer and the microstructure by scanning electron microscopy. All the doped and undoped SnO2 compositions revealed single phase solid solution formation. Transmission electron microscope results indicated that well crystallised (Zn+Ce) doped SnO2 particles of size similar to 7 nm were obtained at the annealing temperature of 650 degrees C. The reduction in grain size of the metal oxide is a key factor to enhance the gas sensing properties. The doping of zinc, ceria in SnO2 has reduced the grain size and improved the gas response. The results of gas sensing measurements showed that the thick films deposited on alumina substrates using screen printing technique exhibited high response to acetone at an operating temperature of 300 degrees C. Further, the selectivity of the sensor towards acetone with respect to other reducing gases (LPG, ethanol and ammonia) was studied.</p>10aGas10aScreen printing10aSensor10aSnO21 aBagal, L., K.1 aPatil, J., Y.1 aBagal, K., N.1 aMulla, Imtiaz, S.1 aSuryavanshi, S., S.  uhttps://library.ncl.res.in/content/acetone-vapour-sensing-characteristics-undoped-and-zn-ce-doped-sno2-thick-film-gas-sensor-0