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  • In Jour Smart Sensing And Intelligent Systems

 

Research Article | 27-December-2017

SYNTHESIS, CHARACTERIZATION AND GAS SENSING PERFORMANCE OF SOL-GEL PREPARED NANOCRYSTALLINE SnO2 THIN FILMS

Nanocrystalline SnO2 thin films were successfully prepared using sol-gel dip coating technique. The starting precursor was used as tin chloride dihydrate (SnCl2.2H2O), ethanol and glycerin. As the prepared films were fired at 500oC. These films were characterized using XRD, FESEM and TEM to known crystal structure, surface morphology and microstructure property. Elemental composition was studied using energy dispersive spectrophotometer (EDAX). The H2 gas sensing performance of nanocrystalline

Ramesh H. Bari, Sharad B. Patil, Anil.R. Bari

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 2, 610–629

Research Article | 13-December-2017

HIGH SENSITIVITY METHANE SENSOR BY CHEMICALLY DEPOSITED NANOCRYSTALLINE ZNO THIN FILM

Nanocrystalline n-ZnO thin films were deposited on SiO2-coated (0.45 μm) p type Si substrates (10-20Ω-cm) by a low cost chemical deposition technique to fabricate ZnO-based resistive sensors for methane detection. The nanocrystalline ZnO needle like structures were grown on RCA cleaned p-Si substrates by successive immersion (100-200 times) into a Sodium Zincate bath (0.125M) kept at room temperature and DI water maintained at 90 oC . The Sodium Zincate was prepared by reacting Zinc Sulphate

Sunipa Roy, H. Saha, C. K. Sarkar

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 605–620

Research Article | 13-December-2017

Nanocrystalline ZnO based MEMS Gas Sensors with CMOS ASIC for Mining Applications

In this paper a nanocrystalline (nc) zinc oxide based hybrid gas sensor with signal conditioning ASIC has been reported for sensing and transmitting the information about methane concentration from the underground coalmine environment. A low power, low temperature nc zinc oxide MEMS based gas sensor has been designed, fabricated and tested for the purpose with a power consumption of ~70mW and sensitivity of 76.6 % at 1.0% methane concentration at a sensor operating temperature of 1500C. For

N.P Futane, P. Bhattacharyya, S. Barma, C. Roychaudhuri, H. Saha

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 430–442

Article | 01-September-2012

EFFECT OF CeO2 DOPING ON THE STRUCTURE, ELECTRICAL CONDUCTIVITY AND ETHANOL GAS SENSING PROPERTIES OF NANOCRYSTALLINE ZnO SENSORS

Nanocrystalline sensors having the general formula ZnO + x wt% CeO2, where x = 0, 2, 4 and 6 were prepared by chemical precipitation method and sintered at 400, 600 and 800 oC for 2h in static air atmosphere. The crystal structure and the morphology of the prepared samples were investigated and characterized by using XRD, IR, SEM and TEM techniques. The investigation revealed that the average crystallites size increases with increasing the sintering temperature. The electrical conductivity is

A. M. El-Sayed, F. M. Ismail, M. H. Khder, M. E. M. Hassouna, S. M. Yakout

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 3, 606–623

Article | 01-September-2012

SYNTHESIS OF NANOSTRUCTURED ZrO2 FOR GAS SENSING APPLICATION

Nanocrystalline ZrO2 (Zirconia) has been synthesized by a conventional precipitation method. The structural, morphological, microstructural, optical and gas-sensing properties of ZrO2 were investigated by using X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-vis spectroscopy and static gas sensing unit, respectively. X-ray diffraction pattern and TEM of the synthesized product reveal their nano-crystalline nature with grain size

Pratap G. Patil, D. D. Kajale, V. P. Patil, G. E. Patil, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 3, 673–684

Research Article | 27-December-2017

NANOSTRUCTURED ZnCo2O4THICK FILM AS AN ETHANOL SENSOR

Semiconductive nanometer-size material ZnCo2O4 was synthesized by a solution combustion reaction of inorganic reagents of Zn(NO3)3. 6H2O, Co(NO3)3.6H2O and glycine as a fuel. The process was a convenient, environment friendly, inexpensive and efficient preparation method for the ZnCo2O4 nanomaterial. The synthesized materials were characterized by TG/DTA, XRD, EDX, SEM, and TEM. Conductance responses of the nanocrystalline ZnCo2O4 thick film were measured by exposing the film to reducing gases

S. V. Bangale

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 1, 178–195

Article | 01-June-2012

SYNTHESIS OF SrTiO3 NANOPOWDER BY SOL-GEL- HYDROTHEMAL METHOD FOR GAS SENSING APPLICATION

D. D. Kajale, G. E. Patil, V. B. Gaikwad, S. D. Shinde, D. N. Chavan, N. K. Pawar, S. R. Shirsath, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 2, 382–400

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