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Nanoelectronic atomization for atomic emission spectroscopy on a chip 芯片上原子发射光谱的纳米电子雾化
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697748
S. Yoon, Ho-Kyun Park, Siwapon Srisonphan, Y. Jung, H. Kim
{"title":"Nanoelectronic atomization for atomic emission spectroscopy on a chip","authors":"S. Yoon, Ho-Kyun Park, Siwapon Srisonphan, Y. Jung, H. Kim","doi":"10.1109/NANO.2010.5697748","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697748","url":null,"abstract":"We report electrically-induced, explosive atomization of metals and analytes at nanoscale. The phenomenon involves formation of highly-localized nanoscale leakage channels in the oxide layer of a metal-oxide-semiconductor (MOS) structure under pulsed drive, ballistic transport of injected electrons in the nanoscale void channels, impact ionization of metal atoms, and explosive atomization of metal and adjacent analyte materials. The fragmented atoms produce atomic luminescence from radiative transitions in the relaxation process. This electrically induced explosive atomization through nanochannels offers a potential for nanoscale elemental/trace analysis on a chip.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129101085","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
Transfer of silicon nanowires onto alien substrates by controlling direction of metal-assisted etching 控制金属辅助蚀刻方向将硅纳米线转移到异质衬底上
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697784
S. Shiu, Hong-Jhang Syu, S. Hung, Ching-Fuh Lin
{"title":"Transfer of silicon nanowires onto alien substrates by controlling direction of metal-assisted etching","authors":"S. Shiu, Hong-Jhang Syu, S. Hung, Ching-Fuh Lin","doi":"10.1109/NANO.2010.5697784","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697784","url":null,"abstract":"Si nanowires (SiNWs) are promising materials for future electronic, photovoltaic, and sensor applications. To date the SiNWs are mainly formed on particular substrates or at high temperatures, greatly limiting their application flexibility. Here we report a low temperature process for forming and massively transferring vertically aligned SiNWs on alien substrates. Metal-assisted etching method was used to fabricate vertically aligned SiNWs on Si substrates. To detach SiNWs from Si substrates, the roots of the Si NWs were etched and became fragile by controlling direction of metal-assisted etching. Thus, every SiNW on the Si substrate can be easily transferred to alien substrates. Because of the low temperature process, it enables a large variety of alien substrates such as glass and plastics to be used.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123829860","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
Enhanced light extraction of GaN-based LEDs with various shape and geometric lattice photonic crystal structures 具有不同形状和几何点阵光子晶体结构的氮化镓基led的增强光提取
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697897
S. Jung, H. Kang, Dae Hoon Kang, Kisoo Shin, Jae Jin Lee, C. Ko
{"title":"Enhanced light extraction of GaN-based LEDs with various shape and geometric lattice photonic crystal structures","authors":"S. Jung, H. Kang, Dae Hoon Kang, Kisoo Shin, Jae Jin Lee, C. Ko","doi":"10.1109/NANO.2010.5697897","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697897","url":null,"abstract":"Photonic crystal structures with different shape air holes including triangles, squares, and circles were fabricated on top of blue GaN-based light emitting diodes using electron beam lithography and inductively coupled dry etching processes. Light extraction dependence of the patterned LEDs on shape and geometrical symmetry of two-dimensional photonic crystal structures was demonstrated. Catho do luminescence studies reveal that the LED with a hexagonal lattice photonic crystal structure of the square air holes shows about 5-fold enhancement of luminescence intensity compared to sample without photonic crystal structure.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123192128","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
Polymer-based bio-electrofluidic multi-chip module 基于聚合物的生物电流体多芯片模块
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697873
S. Youn, Young-Hyun Jin, Young‐Ho Cho
{"title":"Polymer-based bio-electrofluidic multi-chip module","authors":"S. Youn, Young-Hyun Jin, Young‐Ho Cho","doi":"10.1109/NANO.2010.5697873","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697873","url":null,"abstract":"We present a bio-electro fluidic multi-chip module based on the novel polymer fabrication process using UV-direct patterning of hyper-branched polymer, AEO3000. Compared to. PDMS, which is most widely used polymer in bio MEMS devices, the present polymer has advantages of electrode integration and fast fabrication process. We design 4-chip module, having three electrical pads and two fluidic I/O ports. We integrate a microfluidic mixer and a cell separator on the module to characterize the interconnection performance and sample manipulation. In the electrical and fluidic characterization, the measured electrical contact resistance was 0.75±0.44Ω which is. small enough for electrical application, while the pressure drop of 8.3kPa was 39.3% the value of tubing method. We successfully demonstrate bio-sample manipulation through the interconnected chips using yeast mixing and separation test in the multi-chip module. The proposed device and process offers fast and bio-compatible method applicable to biomedical analysis systems.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123726389","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
Nanostructured materials for efficient solar energy conversion 高效太阳能转换的纳米结构材料
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697739
H. Imahori, Hiroaki Iijima, S. Ito, Taichi Shimada, Takashi Kato
{"title":"Nanostructured materials for efficient solar energy conversion","authors":"H. Imahori, Hiroaki Iijima, S. Ito, Taichi Shimada, Takashi Kato","doi":"10.1109/NANO.2010.5697739","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697739","url":null,"abstract":"Substituent effects of porphyrins and phthalocyanines in dye-sensitized solar cells have been examined to elucidate the close relationship between the molecular structure and the photovoltaic properties toward the improvement of cell performances. Introduction of bulky mesityl groups into the phthalocyanine core was found to reduce the dye aggregation considerably, leading to the small effect of coadsorbent (chenodeoxycholic acid (CDCA)) on the photovoltaic properties. Little effect of CDCA on the photovoltaic properties of a cell with phthalocyanine diacid indicates that the phthalocyanine molecules bind to the TiO2 surface irregularly because of the complex binding state arising from the multiple binding and a complicated mixture of the isomers. The results of other nanostructured materials (i.e., porphyrin, fullerene, carbon nanotube) for efficient solar energy conversion are also presented.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121330298","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: 5
Nanofork and Line-patterned Substrate for measuring single cells adhesion force inside ESEM 用于测量ESEM内单细胞粘附力的纳米叉和线形衬底
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697764
M. Ahmad, M. Nakajima, M. Kojima, S. Kojima, M. Homma, T. Fukuda
{"title":"Nanofork and Line-patterned Substrate for measuring single cells adhesion force inside ESEM","authors":"M. Ahmad, M. Nakajima, M. Kojima, S. Kojima, M. Homma, T. Fukuda","doi":"10.1109/NANO.2010.5697764","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697764","url":null,"abstract":"In this paper, single cell adhesion force was measured using a nanofork. The nanofork was used to pick-up a single cell on a line-patterned substrate inside ESEM. The line-patterned substrate was used to provide small gaps between the single cells and the substrate. Therefore, the nanofork could be inserted through these gaps in order to successfully pick-up a single cell. Adhesion force was measured during the cell pick-up process from the deflection of the cantilever beam. The nanofork was fabricated using focused ion beam (FIB) etching process while the line-patterned substrate was fabricated using nanoimprinting technology. As to investigate the effect of contact area on the strength of the adhesion force, two sizes of gap distance of line-patterned substrate were used, i.e. 1 µm and 2 µm. Results showed that cells attached on the 1 µm gap line-patterned substrate required more force to be released as compared to the cells attached on the 2 µm gap line-patterned substrate.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114237377","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: 7
Improvement of efficiency for OLED using Zn(HPB)q as electron transporting layer 用Zn(HPB)q作为电子传输层提高OLED效率
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5698001
Jun-Woo Park, Dong-Eun Kim, Byoung-Sang Kim, Hyen-Wook Kang, Burm-Jong Lee, Y. Kwon
{"title":"Improvement of efficiency for OLED using Zn(HPB)q as electron transporting layer","authors":"Jun-Woo Park, Dong-Eun Kim, Byoung-Sang Kim, Hyen-Wook Kang, Burm-Jong Lee, Y. Kwon","doi":"10.1109/NANO.2010.5698001","DOIUrl":"https://doi.org/10.1109/NANO.2010.5698001","url":null,"abstract":"We synthesized a new material, (2-(2-hydroxy phenyl)benzo xazole)(8-hydoxyquinoline) [(Zn(HPB)q] which has low molecular compound and studied the improvement of OLED using Zn(HPB)q. The PL spectrum of Zn(HPB)q was yellowish green at a wavelength of 532 nm. Through cyclic-voltammetry, the ionization potential (IP) and the electron affinity (EA) were found to be 6.8 eV and 3.5 eV, respectively. We observed the possibility of Zn(HPB)q as electron transporting layer (ETL). Zn(HPB)q has been investigated as an ETL in the OLED and the optimal thickness of the Zn(HPB)q layer is about 10nm. We have obtained an improvement of luminance and decrease of turn-on voltage using Zn(HPB)q as ETL.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116499045","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
Investigation of infrared solar cells based on heterojunctions formed by Si and single-walled carbon nanotubes 基于硅与单壁碳纳米管异质结的红外太阳能电池研究
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697792
Yongfeng Li, R. Hatakeyama, Tatsuya Kato, T. Kaneko
{"title":"Investigation of infrared solar cells based on heterojunctions formed by Si and single-walled carbon nanotubes","authors":"Yongfeng Li, R. Hatakeyama, Tatsuya Kato, T. Kaneko","doi":"10.1109/NANO.2010.5697792","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697792","url":null,"abstract":"In this work, we have investigated the performance of solar cells based on heterojunctions formed by Si and single-walled carbon nanotubes (SWNTs). Our findings indicate that SWNTs show the outstanding performance on transferring infrared light into electrical energy. In addition, the encapsulation of C60 fullerene inside SWNTs is found to significantly enhance the performance of solar cells through adjusting the Fermi level of SWNTs.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"2015 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121523495","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
Nanoarchitechture of cytochrome P450 system using a ring-shaped protein complex 利用环状蛋白复合物构建细胞色素P450纳米体系
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5698070
H. Hirakawa, Teruyuki Nagamune
{"title":"Nanoarchitechture of cytochrome P450 system using a ring-shaped protein complex","authors":"H. Hirakawa, Teruyuki Nagamune","doi":"10.1109/NANO.2010.5698070","DOIUrl":"https://doi.org/10.1109/NANO.2010.5698070","url":null,"abstract":"Proliferating cell nuclear antigen (PCNA) from Sulfolobus solfataricus is a heterotrimeric ring-shaped protein. Bacterial cytochrome P450 (P450) that is one of promising biocatalysts requires electron transfer via two kinds of electron transfer proteins. Here we report that the fusion proteins of three subunits of PCNA and a bacterial P450 and its electron transfer proteins formed a quite stable heterotrimeric complex, and showed extremely high catalytic activities compared to the equimolar mixture of those. This complex formation utilizing PCNA could be valuable for nanoarchitecture of complicated multienzymatic reactions as well as applications of electron transport proteins.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127560058","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 and characterization of CNT/LNMC nanocomposite electrode for Lithium Ion Battery 锂离子电池用CNT/LNMC纳米复合电极的合成与表征
10th IEEE International Conference on Nanotechnology Pub Date : 2010-08-01 DOI: 10.1109/NANO.2010.5697803
Gurpreet Singh, Y. Kim, B. Lim, Y. Jeong, S. Hong
{"title":"Synthesis and characterization of CNT/LNMC nanocomposite electrode for Lithium Ion Battery","authors":"Gurpreet Singh, Y. Kim, B. Lim, Y. Jeong, S. Hong","doi":"10.1109/NANO.2010.5697803","DOIUrl":"https://doi.org/10.1109/NANO.2010.5697803","url":null,"abstract":"CNT/LiNi<inf>0.33</inf>Mn<inf>0.33</inf>Co<inf>0.33</inf>O<inf>2</inf> nanocomposite electrode material was fabricated for Lithium Ion Battery. Sol-Gel synthesis has been used to synthesize the nano-sized pristine LiNi<inf>0.33</inf>Mn<inf>0.33</inf>Co<inf>0.33</inf>O<inf>2</inf> (LNMC). CNT/LiNi<inf>0.33</inf>Mn<inf>0.33</inf>Co<inf>0.33</inf>O<inf>2</inf> nanocomposite has been synthesized by using low temperature dispersion method. Structural characterization of the material has been performed by using X-ray diffraction, which shows the formation of single phase LiNi<inf>0.33</inf>Mn<inf>0.33</inf>Co<inf>0.33</inf>O<inf>2</inf> with R-3m as space group. Morphological properties have been investigated by using characterization tool such as FESEM, which confirms the formation of composite material. Thermal properties have been characterized by DSC/TG measurements. Electrochemical performance of the material is under study. CNTs helped in increasing the cycle life of the material when cycled in the voltage range of 4.6-2.8V at a cycling rate of 0.2 mA/cm<sup>2</sup>, however the impedance is found to be higher in case of the composite material compared to the pristine nano-sized LNMC.","PeriodicalId":254587,"journal":{"name":"10th IEEE International Conference on Nanotechnology","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128025711","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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