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Study of the properties of indium doped ZnO nanowires 掺杂铟氧化锌纳米线的性能研究
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1063/1.3586947
A. Ismardi, T. Y. Tiong, C. Dee, B. Majlis
{"title":"Study of the properties of indium doped ZnO nanowires","authors":"A. Ismardi, T. Y. Tiong, C. Dee, B. Majlis","doi":"10.1063/1.3586947","DOIUrl":"https://doi.org/10.1063/1.3586947","url":null,"abstract":"Indium doped ZnO nanowires were synthesized by carbothermal reduction method in a quartz tube. The nanowires were characterized by FESEM for morphological structure, the results showed a hexagonal structure with diameter around 40 – 100 nm, and lengths from hundreds of nanometers to a few microns. EDX was also used for materials composition and all the composition were found in the spectrum. XRD was then used for checking crystallinity of the structure. ZnO nanowires were than measured for electrical properties. The results show that the indium doped ZnO nanowires has lower resistivity compare to the undoped ZnO nanowires. Gas sensing characterization has also been performed.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89747923","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
Enhanced activity of Tantalum (V) nitride nanoparticles for toluene decomposition under visible light irradiation 可见光照射下氮化钽纳米颗粒对甲苯分解活性的增强
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5700965
L. Yuliati, Shouichi Somekawa, Jae-Hun Yang, T. Takata, K. Domen
{"title":"Enhanced activity of Tantalum (V) nitride nanoparticles for toluene decomposition under visible light irradiation","authors":"L. Yuliati, Shouichi Somekawa, Jae-Hun Yang, T. Takata, K. Domen","doi":"10.1109/ESCINANO.2010.5700965","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5700965","url":null,"abstract":"Toluene is an aromatic pollutant that can be widely found in many industries. Due to its toxicity, its total decomposition has been investigated by many researchers using various ways. One alternative way is the usage of catalyst and light to decompose toluene. However, so far, it is still remained as a challenge. On the other hand, the need to use cheap, abundant, and safe sources to prevent our sustainability makes the utilization of solar energy one of the ideal solutions for our problems. As visible light is the main part of our solar energy, the development of photocatalysts that able to work under visible light irradiation is highly required. One of the efforts to realize it is by designing materials that able to absorb visible light especially that of longer wavelength, such as up to 600 nm. A red color-material, Tantalum (V) nitride (Ta3N5) is one such potential photocatalyst. Its photocatalytic activity was discovered for water splitting reaction under visible light irradiation [1]. Recent progress reported that Ta3N5 nanoparticles showed higher activity than the bulk Ta3N5 for hydrogen evolution [2] and methylene blue degradation [3].","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89979330","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
Structure and properties of LENRA/silica composite LENRA/二氧化硅复合材料的结构与性能
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5701012
Maha Mohamed, I. Abdullah, H. Dahlan, E. Y. Ariffin
{"title":"Structure and properties of LENRA/silica composite","authors":"Maha Mohamed, I. Abdullah, H. Dahlan, E. Y. Ariffin","doi":"10.1109/ESCINANO.2010.5701012","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5701012","url":null,"abstract":"The sol-gel reaction using tetraethoxysilane (TEOS) was conducted for modified natural rubber (NR) matrix to obtain in situ generated NR/silica composite. The present of acrylate group in the modified NR chain turns the composite into radiation-curable. The maximum amount of silica generated in the matrix was 50phr by weight. During the sol-gel process the inorganic mineral was deposited in the rubber matrix forming hydrogen bonding between organic and inorganic phases. The composites obtained were characterized by various techniques including thermogravimetric analysis and infrared spectrometry to study their molecular structure. The increase in mechanical properties was observed for low silica contents (<20phr) depending on the homogeneity of the filler in the rubber matrix. For higher contents of TEOS (>30phr) where more silica were generated, agglomerations were observed at the expense of the mechanical properties. From the DMTA data, it shows an increase of the interaction between the rubber and silica phases up to 30phr TEOS. Structure and morphology of the heterogeneous system were analyzed by transmission electron microscopy. The average particle sizes of between 150nm to 300nm were achieved for the composites that contain less than 20phr of TEOS.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77460249","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
Synthesis of TiO2 nanowires from fusion method 融合法制备TiO2纳米线
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5700988
M. Muslimin, M. S. Meor Yusoff, S. Wilfred, D. Parimala
{"title":"Synthesis of TiO2 nanowires from fusion method","authors":"M. Muslimin, M. S. Meor Yusoff, S. Wilfred, D. Parimala","doi":"10.1109/ESCINANO.2010.5700988","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5700988","url":null,"abstract":"Free standing nanowires were produced from synthetic rutiles which were treated with NaOH at 500°C for 4 hours, followed by repeated water washing [1–5]. The samples had been treated again with 40% and 50% of NaOH (leaching process). This is the critical part of forming the wire structure. Diameter of the wires from 20–30nm and length of more than 4µm had been produced from this process. Products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). A possible formation mechanism of nanotuwires from synthetic rutiles precursor is proposed.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77765877","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
Neural network modeling of degradation of solar cells 太阳能电池退化的神经网络建模
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1063/1.3586995
Himanshu Gupta, Bahniman Ghosh, S. Banerjee
{"title":"Neural network modeling of degradation of solar cells","authors":"Himanshu Gupta, Bahniman Ghosh, S. Banerjee","doi":"10.1063/1.3586995","DOIUrl":"https://doi.org/10.1063/1.3586995","url":null,"abstract":"Recently, there has been substantial interest in solar cells as possible replacements of conventional energy sources, [1, 2]. However, significant light induced degradation of solar cell characteristics such as the conversion efficiency has been observed in the literature, [3,4]. Therefore, there is a need of a model to predict the degradation behavior of solar cells. In this paper, neural network has been used to model the degradation of solar cells. Back propagation algorithm has been used to train the neural network model with different parameters of a solar cell as input and conversion efficiency as output. This model has been developed for experimental data taken from [3] and [4].Some of the data were used for training the network and then the trained network was tested for the rest of the data and computed results were compared with experimental data.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84448485","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
Modeling and simulation of nanoscale temperature behavior for multilayer full chip system 多层全芯片系统纳米尺度温度行为的建模与仿真
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1063/1.3586971
N. Alias, Md. Rajibul Islam, Abdul Hafidz Haji Omar
{"title":"Modeling and simulation of nanoscale temperature behavior for multilayer full chip system","authors":"N. Alias, Md. Rajibul Islam, Abdul Hafidz Haji Omar","doi":"10.1063/1.3586971","DOIUrl":"https://doi.org/10.1063/1.3586971","url":null,"abstract":"Thermal effects become gradually more significant as devices get smaller on-chip. Modeling and simulations indicate that chip temperatures will increase exponentially beyond acceptable values, prompting researchers to investigate thermal effects. Research and technology development at the atomic, molecular or macromolecular levels, in the length scale of approximately 1 – 100 nanometer range, to provide a fundamental understanding of phenomena and semiconductor devices at the nanoscale and to create and use structures, devices and systems that have novel properties and functions because of their small and/or intermediate size (US NSET, 2000).","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83858147","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
Electrical characteristic variability in 16-nm multi-gate MOSFET current mirror circuit 16nm多栅极MOSFET电流反射电路的电特性变异性
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5701052
Hui-Wen Cheng, Yiming Li
{"title":"Electrical characteristic variability in 16-nm multi-gate MOSFET current mirror circuit","authors":"Hui-Wen Cheng, Yiming Li","doi":"10.1109/ESCINANO.2010.5701052","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5701052","url":null,"abstract":"In this study, we examine the dependency of current mirror circuit characteristics on channel-fin aspect-ratio (AR = fin height / the fin width) of 16-nm multi-gate MOSFET and device's intrinsic parameter fluctuation including metal-gate work-function fluctuation (WKF), random-dopant fluctuation (RDF), process-variation effect (PVE), and oxide-thickness fluctuation (OTF). For n- and p-type current mirror circuits, the fluctuations dominated by RDF and WKF, respectively, could be suppressed by high AR of devices due to improved driving current. For n- and p-type current mirror circuits, IOUT fluctuation dominated by RDF and WKF in FinFET (AR = 2) is 2.8 and 2.5 times smaller than that of quasi-planar (AR = 0.5) device, respectively.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80155613","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
Synthesis of NiMo/Al2O3 nanocatalyst via supercritical fluid technology 超临界流体技术合成纳米ni /Al2O3催化剂
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5701060
S. M. Ghoreishi, M. Alibouri
{"title":"Synthesis of NiMo/Al2O3 nanocatalyst via supercritical fluid technology","authors":"S. M. Ghoreishi, M. Alibouri","doi":"10.1109/ESCINANO.2010.5701060","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5701060","url":null,"abstract":"The synthesis of NiMo/Al2O3 nanocatalyst by the method of supercritical deposition using carbon dioxide and methanol was conducted and its activity was investigated as the function of conversion and selectivity. The results of the physical and chemical characterization techniques (adsorption-desorption of nitrogen, oxygen chemisorption, XRD, TEM, and TPR) demonstrated high and uniform dispersion of Ni and Mo on the Al2O3 support for the new developed catalyst. The hydrodesulfurization of fuel model compound, dibenzothiophene, was used in the evaluation of the newly developed catalyst versus the commercial catalyst. Higher conversion for the NiMo/Al2O3 nanocatalyst was obtained. The kinetic analysis of the reaction data was carried out to calculate the reaction rate constant of the synthesized and commercial catalysts in the temperature rang of 270–330 °C. Analysis of the experimental data using Arrhenius' law resulted in the calculation of frequency factor and activation energy of the hydrodesulfurization for the two catalysts.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88262669","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
Ionization ability of manganese oxide nanoparticles 氧化锰纳米颗粒的电离能力
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5701042
Tomoyuki Hiroki, D. Shigeoka, S. Kimura, Toshiyuki Mashino, S. Taira, Y. Ichiyanagi
{"title":"Ionization ability of manganese oxide nanoparticles","authors":"Tomoyuki Hiroki, D. Shigeoka, S. Kimura, Toshiyuki Mashino, S. Taira, Y. Ichiyanagi","doi":"10.1109/ESCINANO.2010.5701042","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5701042","url":null,"abstract":"Manganese oxide nanoparticles(Mn-O NPs) were prepared by our novel method as reagents for the laser desorption/ionization mass spectrometry (MS) analytes. Reaction times by chemical preparation were controlled as 0.5, 1 and 5 hours, as the result, we succeeded preparing three different types of particles. Particles were characterized by measuring x-ray diffraction pattern (Fig. 1), Fourier transform infrared spectra (Fig. 2), and DC magnetization (Fig. 3). These characterization results indicated that Mn3O4 maintained spinel sturactures but manganese ions got oxidized under the alkaline water solution, that is Mn3O4 phase gradually translated into MnO2 phase.","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81453345","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
Synthesis of flower-like silver nanoparticles for SERS application 用于SERS应用的花状纳米银的合成
2010 International Conference on Enabling Science and Nanotechnology (ESciNano) Pub Date : 2010-12-01 DOI: 10.1109/ESCINANO.2010.5701022
Christa Desmonda, Y. Tai
{"title":"Synthesis of flower-like silver nanoparticles for SERS application","authors":"Christa Desmonda, Y. Tai","doi":"10.1109/ESCINANO.2010.5701022","DOIUrl":"https://doi.org/10.1109/ESCINANO.2010.5701022","url":null,"abstract":"Surface-enhanced Raman scattering (SERS) is an optical spectroscopic analysis techniques for the highly sensitive detection of molecules adsorbed on metal surfaces, mainly Ag, Au, and Cu. Surface enhancement can yield the increasing in intensity more than a factor of 106. [1] In general, there are two mechanisms involve in SERS: chemical enhancement and electromagnetic enhancement. Chemical enhancement is come from the interaction between adsorbed molecules and the metal surface, while electromagnetic enhancement due to the surface plasmon resonance of nanoscale surface roughness in the 10–200 nm range. The largest SERS enhancement are often present in between aggregated metal nanoparticles.[2] Surface roughness also play an important role on giving enhancement of SERS effect. Hongyan, et al have been succeeded synthesis highly surface-roughened flower-like silver particles with sizes from 500 nm to 2 µm.[3]","PeriodicalId":6354,"journal":{"name":"2010 International Conference on Enabling Science and Nanotechnology (ESciNano)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72914087","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
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