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2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)最新文献

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Room temperature NH3 sensing properties of Co-B-PANI nanocomposite films Co-B-PANI纳米复合膜的室温NH3传感性能
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220073
U. Patil, N. Ramgir, A. Debnath, D. K. Aswal, S. Gupta, S. Gupta, N. Patel, D. Kothari
{"title":"Room temperature NH3 sensing properties of Co-B-PANI nanocomposite films","authors":"U. Patil, N. Ramgir, A. Debnath, D. K. Aswal, S. Gupta, S. Gupta, N. Patel, D. Kothari","doi":"10.1109/ISPTS.2015.7220073","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220073","url":null,"abstract":"In the present work, we report the room temperature NH3 sensing properties of Cobalt-boride nanoparticles intercalated polyaniline (Co-B-PANI) nanocomposite films. Polyaniline nanocomposite films (PNCF's) have been deposited at room temperatures by in-situ oxidative polymerization of aniline in the presence of Co-B nanoparticles. The PNCF exhibited a highly selective, sensitive and reversible response towards NH3. It exhibited an improved response and recovery times of 3 and 345 s, respectively towards 50 ppm of NH3. The response time in the case of PNCF was found to be better than that exhibited by pure PANI-sensor-films (7 and 400 s). Raman measurements performed before and after the exposure towards NH3 indicated a strong variation in the intensity of the peak corresponding to C=N/C-N+ stretching vibrations. Good sensitivity along with the improved response and recovery times indicated Co-B-PANI nanocomposite film to be suitable for room temperature ammonia sensing applications.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"73 1","pages":"19-21"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86353023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of addition of surfactant on LPG sensing properties of nano tin oxide based thick film sensors 表面活性剂对纳米氧化锡基厚膜液化气传感器传感性能的影响
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220102
A. Garje
{"title":"Effect of addition of surfactant on LPG sensing properties of nano tin oxide based thick film sensors","authors":"A. Garje","doi":"10.1109/ISPTS.2015.7220102","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220102","url":null,"abstract":"Nanocrystalline tin oxide powder is synthesized using sol gel method. To observe the effect of addition of surfactant on particle size, Sodium Dodecyl Sulphate (SDS) is added during the synthesis. The particle is found to be ~ 8 nm using TEM. The synthesized nanophase tin oxide powder is used to fabricate thick film sensors using screen printing technique. The sensor performance is tested for 100 ppm of LPG. The role of surfactant is observed to be responsible for remarkable improvement in sensitivity for LPG by 5 times with low operating temperature of 110 °c. The optical and structural characterization of powder and film is done using UV-Vis, XRD, SEM; TEM. The repeatability, response and recovery time of the sensors is studied.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"57 9 1","pages":"154-158"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83676202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Calibration and optimization of a metamaterial sensor for hybrid fuel detection 混合燃料检测用超材料传感器的标定与优化
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220124
Vaishali Rawat, Vihang Nadkarni, Sangeeta Kale, Sushant Hingane, S. Wani, C. Rajguru
{"title":"Calibration and optimization of a metamaterial sensor for hybrid fuel detection","authors":"Vaishali Rawat, Vihang Nadkarni, Sangeeta Kale, Sushant Hingane, S. Wani, C. Rajguru","doi":"10.1109/ISPTS.2015.7220124","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220124","url":null,"abstract":"Simple, compact, robust and handy device for chemical sensing using microstrip-based metamaterial Complementary-Split-Ring-Resonator (CSRR) is proposed. A pseudo-microfluidic channel is fabricated upon the CSRR pattern to form the sensor. Combination of two liquids namely, ethanol and petrol, and their varying combinations are sensed for hybrid fuel applications. Simulation and experimental results for shifts in resonance frequency and magnitude are discussed. The results of fluidic approach are seen to be repeatable.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"155 ","pages":"257-259"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91467282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Effect of Mn substitution on acetone and ammonia sensing in CoFe2O4 nanoparticles 锰取代对CoFe2O4纳米颗粒中丙酮和氨传感的影响
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220123
S. Sarkar, M. Bhatnagar
{"title":"Effect of Mn substitution on acetone and ammonia sensing in CoFe2O4 nanoparticles","authors":"S. Sarkar, M. Bhatnagar","doi":"10.1109/ISPTS.2015.7220123","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220123","url":null,"abstract":"Mn has substituted part of Fe in cobalt ferrite (CoFe2O4) and resultant material has been abbreviated as CFMO (CoFe1.7Mn0.3O4). Chemical co-precipitation route has been followed for synthesis. X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDX), I-V measurement were performed for sample characterization. The influence of Mn substitution was seen in lowering the operating temperature for both acetone and ammonia gas sensing with high response as well as very fast response and recovery timealong with temperature dependent selectivity.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"75 1","pages":"253-256"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83817278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Al2O3 modified ZnO composite thick film for ethanol gas sensing 乙醇气敏用Al2O3改性ZnO复合厚膜
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220135
Sapana Rane, S. Gosavi, S. Awate, Govind Uamrji, S. Arbuj, S. Rane
{"title":"Al2O3 modified ZnO composite thick film for ethanol gas sensing","authors":"Sapana Rane, S. Gosavi, S. Awate, Govind Uamrji, S. Arbuj, S. Rane","doi":"10.1109/ISPTS.2015.7220135","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220135","url":null,"abstract":"The Al2O3 modified ZnO nanostructure with 1:9 ratio was synthesized at 500°C using solid-state reaction technique. The prepared nanostructure material was characterized with XRD and FE-SEM technique. XRD indicate the formation of wurtzite phase of ZnO. FE-SEM confirms the formation of hexagonal shaped rod like morphology. The sensing characteristic of the material was tested using ethanol gas.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"96 1","pages":"307-309"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79465852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Titanium dioxide nanotube based sensing platform for detection of mycobacterium tuberculosis volatile biomarkers methyl nicotinate and p-anisate 基于二氧化钛纳米管的结核分枝杆菌挥发性生物标志物烟酸甲酯和茴香酯检测平台
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220147
Younghwan Kim, Jason Young, David C. Robinson, Greg Jones, M. Misra, S. Mohanty
{"title":"Titanium dioxide nanotube based sensing platform for detection of mycobacterium tuberculosis volatile biomarkers methyl nicotinate and p-anisate","authors":"Younghwan Kim, Jason Young, David C. Robinson, Greg Jones, M. Misra, S. Mohanty","doi":"10.1109/ISPTS.2015.7220147","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220147","url":null,"abstract":"This research presents a metal functionalized titanium dioxide (TiO2) nanotube based sensor developed for detection of volatile biomarkers (methyl p-anisate and methyl nicotinate) associated with tuberculosis (TB). In this work self-aligning TiO2 nanotubes were fabricated, and functionalized with cobalt for specific binding to the volatile biomarkers of interest. Mimics of the volatile biomarkers were dissolved in water at variable concentrations, and nitrogen gas was flowed through the biomarker solutions and delivered to the sensor. A potentiostatic scan was used to measure current across the device under constant potentials ranging from -1.0 volts to 1-volts methyl nicotinate and methyl p-anisate. The sensor response showed a 3 × 105 change in current for methyl nicotinate, and 7.61 × 106 change in current for methyl p-anisate when compared to baseline. The sensor also showed little response to five other VOCs (acetone, ethanol, methanol, benzene, and phenol) which suggest the sensor is functionalized to be specific for the target VOCs associated with TB. Results showed detection of the volatile biomarkers yield orders of magnitude change in current which is detected easily. The sensor is simple to operate, responds in minutes, and has potential applications in non-invasive diagnosis of TB and other diseases that have distinct volatile biomarkers.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"4 1","pages":"VIII-XV"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90589454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Spectroscopic and morphological studies of polyaniline (PANI) — Carbon nanotubes (CNTs) nanocomposite synthesized via dynamic, liquid-liquid interfacial polymerization process and its application as optical pH sensor 动态液-液界面聚合法制备聚苯胺(PANI) -碳纳米管(CNTs)纳米复合材料的光谱和形态学研究及其在光学pH传感器中的应用
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220098
S. Thorat, M. Kulkarni, B. Kale
{"title":"Spectroscopic and morphological studies of polyaniline (PANI) — Carbon nanotubes (CNTs) nanocomposite synthesized via dynamic, liquid-liquid interfacial polymerization process and its application as optical pH sensor","authors":"S. Thorat, M. Kulkarni, B. Kale","doi":"10.1109/ISPTS.2015.7220098","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220098","url":null,"abstract":"Herein, we report the development of highly water dispersible nanocomposite of conducting polyaniline and multiwalled carbon nanotubes (PANI-MWCNTs) via novel, `dynamic' or `stirred' liquid-liquid interfacial polymerization method using sulphonic acid as a dopant. MWCNTs were functionalized prior to their use and then dispersed in water. The nanocomposite was further subjected for physico-chemical characterization using spectroscopic (UV-Vis and FT-IR), FE-SEM analysis. The UV-VIS spectrum of the PANI-MWCNTs nanocomposite shows a free carrier tail with increasing absorption at higher wavelength. This confirms the presence of conducting emeraldine salt phase of the polyaniline and is further supported by FT-IR analysis. The FE-SEM images show that the thin layer of polyaniline is coated over the functionalized MWCNTs forming a `core-shell' like structure. The synthesized nanocomposite was found to be highly dispersible in water and shows beautiful colour change from dark green to blue with change in pH of the solution from 1 to 12 (i.e. from acidic to basic pH). The change in colour of the polyaniline-MWCNTs nanocomposite is mainly due to the pH dependent chemical transformation /change of thin layer of polyaniline.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"3 1","pages":"133-137"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91042325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of principal component analysis to the conductometric Cr1−xFexNbO4 (x = 0, 0.5, 1.0) thick films gas sensors 主成分分析在电导Cr1−xfennbo4 (x = 0,0.5, 1.0)厚膜气体传感器中的应用
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220085
A. S. R. Murthy, K. I. Gnanasekar, V. Jayaraman, A. Umarji
{"title":"Application of principal component analysis to the conductometric Cr1−xFexNbO4 (x = 0, 0.5, 1.0) thick films gas sensors","authors":"A. S. R. Murthy, K. I. Gnanasekar, V. Jayaraman, A. Umarji","doi":"10.1109/ISPTS.2015.7220085","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220085","url":null,"abstract":"The gas sensing characteristics of Cr1-xFexNbO4 (x = 0.0, 0.5, 1.0) towards different organic analytes and hydrogen were investigated at different operating temperatures. The slope of the retrace transient, a representative feature for desorption kinetics was considered for data exploration. 11 sensors with 12 samples were tested and the data obtained was processed using principal component analysis (PCA). The scores plot and loadings plot showed the possible differentiation of the cross sensitive analytes and redundancy of the sensor behaviour towards these analytes respectively.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"9 1","pages":"70-73"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73212813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulation, fabrication and characterization of Dual-Gate MOSFET test structures 双栅MOSFET测试结构的模拟、制造与表征
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220086
S. Sinha, R. Rathore, A. Sharma, R. Mukhiya, Ranjan Sharma, V. Khanna
{"title":"Simulation, fabrication and characterization of Dual-Gate MOSFET test structures","authors":"S. Sinha, R. Rathore, A. Sharma, R. Mukhiya, Ranjan Sharma, V. Khanna","doi":"10.1109/ISPTS.2015.7220086","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220086","url":null,"abstract":"Ion-Sensitive Field-Effect Transistor (ISFET) is a popular potentiometric chemical/bio-chemical sensor. However, due to charge screening, the sensitivity of the device is significantly reduced. A logarithmic dependence is exhibited between the charge present at the electrolyte-insulator interface and the charge mirrored in the conducting channel, which limits the sensitivity of an ideal conventional ISFET to 59.2 mV/pH, also known as the Nernstian limit. Using Dual-Gate effect in Silicon-on-Insulator (SOI) technology improves the sensitivity of ISFET. MOSFET test structures are generally fabricated along with ISFETs on the same wafer. In this paper, we have demonstrated the dual gate operation of a Near-Fully Depleted (NFD) SOI MOSFET, by simulating its behavior in SILVACO™ TCAD tool and validating it with the test results of fabricated NFDSOI MOSFET. It is observed that the threshold voltage and drain current of the transistor can be manipulated by applying a potential to the back gate.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"24 1","pages":"74-78"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81847110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Commercial H2s sensor based on SnO2:CuO thin films 基于SnO2:CuO薄膜的商用H2s传感器
2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS) Pub Date : 2015-03-07 DOI: 10.1109/ISPTS.2015.7220084
S. Ganapathi, N. Ramgir, N. Datta, Vivek Patnaik, Ankit Patel, M. Kaur, A. Debnath, R. Datta, T. K. Saha, D. K. Aswal, S. Gupta
{"title":"Commercial H2s sensor based on SnO2:CuO thin films","authors":"S. Ganapathi, N. Ramgir, N. Datta, Vivek Patnaik, Ankit Patel, M. Kaur, A. Debnath, R. Datta, T. K. Saha, D. K. Aswal, S. Gupta","doi":"10.1109/ISPTS.2015.7220084","DOIUrl":"https://doi.org/10.1109/ISPTS.2015.7220084","url":null,"abstract":"In the present work, a commercial device for the detection of H2S using SnO2; CuO thin film as a sensing material has been demonstrated. A complete device consist of SnO2: CuO sensor thin film deposited on alumina substrate, teflon head in stainless steel housing containing the temperature control circuit with Pt-50 based heater and Pt-100 as reader, and a stand-alone monitor consisting of Data Acquisition & Control Board (DACB) and touch screen based human-machine interface (HMI) module. The monitor measures the change in resistance of sensor element on exposure to gas and displays the result in concentration (ppm). The monitor is also provided with a programmable alarm set point, touch switch to change between Normal/ Calibration Mode and provision to enter the historical logs like last sensor installation date, last sensor calibration date, last fault detail etc,.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"3 1","pages":"67-69"},"PeriodicalIF":0.0,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83800512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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