Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117262
Chunhui Du, Yanyan Deng, Kai Zhu, Yubo Gao, M. Zhang
All-carbon-nanotube thin-film transistors (ACNT-TFTs) are proposed and fabricated on a transparent glass substrate by a facile solution-processed method, with 95% enriched semiconducting single-walled carbon nanotubes (SWCNTs) serving as channel materials and mixed SWCNTs as source/drain/gate electrodes. The device demonstrates excellent electronic properties with an on/off current ratio over 105, a threshold voltage of 8 V, a subthreshold swing of 1.13 V/dec, a device mobility of 10 cm2/vs, as well as a transparency of 80%. The proposed device is highly promising for the next-generation display application. Additionally, the facile fabrication method and low-temperature process match well with the requirements for manufacturing.
{"title":"Transparent all-carbon-nanotube thin-film transistors","authors":"Chunhui Du, Yanyan Deng, Kai Zhu, Yubo Gao, M. Zhang","doi":"10.1109/NANO.2017.8117262","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117262","url":null,"abstract":"All-carbon-nanotube thin-film transistors (ACNT-TFTs) are proposed and fabricated on a transparent glass substrate by a facile solution-processed method, with 95% enriched semiconducting single-walled carbon nanotubes (SWCNTs) serving as channel materials and mixed SWCNTs as source/drain/gate electrodes. The device demonstrates excellent electronic properties with an on/off current ratio over 105, a threshold voltage of 8 V, a subthreshold swing of 1.13 V/dec, a device mobility of 10 cm2/vs, as well as a transparency of 80%. The proposed device is highly promising for the next-generation display application. Additionally, the facile fabrication method and low-temperature process match well with the requirements for manufacturing.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131289206","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117327
Y. Kihara, M. Ito, T. Saito, M. Shiomura, S. Sakai, J. Shirakashi
Recently, the new computing architecture using Ising spin model has been attracting considerable attention. It is well known that the Ising spin model represents the physical properties of ferromagnetic materials in terms of statistical mechanics. In this model, the spin states are varied in order to minimize the system energy automatically, by the interaction between connected adjacent spins. The new computing scheme maps combinatorial optimization problems based on Ising model and solves these problems by using ground state search operations exploiting its convergence property. In this report, a new computing architecture using Ising spin model was implemented using field-programmable gate array (FPGA), and Ising computing using FPGA was investigated to solve combinatorial optimization problems.
{"title":"A new computing architecture using Ising spin model implemented on FPGA for solving combinatorial optimization problems","authors":"Y. Kihara, M. Ito, T. Saito, M. Shiomura, S. Sakai, J. Shirakashi","doi":"10.1109/NANO.2017.8117327","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117327","url":null,"abstract":"Recently, the new computing architecture using Ising spin model has been attracting considerable attention. It is well known that the Ising spin model represents the physical properties of ferromagnetic materials in terms of statistical mechanics. In this model, the spin states are varied in order to minimize the system energy automatically, by the interaction between connected adjacent spins. The new computing scheme maps combinatorial optimization problems based on Ising model and solves these problems by using ground state search operations exploiting its convergence property. In this report, a new computing architecture using Ising spin model was implemented using field-programmable gate array (FPGA), and Ising computing using FPGA was investigated to solve combinatorial optimization problems.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128234569","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117267
Lingying Li, Wanli Li, J. Jiu, K. Suganuma
Silver nanowire (AgNW) has showed strong potential as a great alternative to indium tin oxide (ITO) film in the fabrication of transparent conductive electrode (TCE) and it especially satisfies the requirements of flexible and printable electronics. To relieve the corrosion of bare AgNWs and improve the long-term stability of AgNW-based electrodes, using barrier layer to encapsulate and overcoat of the surface of AgNWs has been proposed as one powerful solution. Reduced graphene oxide (rGO) film is used as a barrier layer extensively in the fabrication of AgNW-based electrodes. Considering the difficulty of entirely removing the oxygen containing groups (OCGs) on GO film to form rGO film, there is a lack of information about the effect of OCGs on barrier layer on the stability of AgNW-based network. Therefore, we decided to study the corrosion of AgNW network overcoated with GO film, on which contained different amounts of OCGs. Two kinds of AgNW-based electrodes, graphene oxide (GO) /AgNW/polyethylene terephthalate (PET) TCEs and rGO/AgNW/PET TCEs, were fabricated by a rapid and facile flame treatment and exposed to ambient conditions. The structural and performance changes were monitored with exposed time. Our results demonstrated that AgNWs are susceptible to the barrier layers.
{"title":"Effects of oxygen containing groups on barrier layer on the stability of silver nanowire transparent electrodes","authors":"Lingying Li, Wanli Li, J. Jiu, K. Suganuma","doi":"10.1109/NANO.2017.8117267","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117267","url":null,"abstract":"Silver nanowire (AgNW) has showed strong potential as a great alternative to indium tin oxide (ITO) film in the fabrication of transparent conductive electrode (TCE) and it especially satisfies the requirements of flexible and printable electronics. To relieve the corrosion of bare AgNWs and improve the long-term stability of AgNW-based electrodes, using barrier layer to encapsulate and overcoat of the surface of AgNWs has been proposed as one powerful solution. Reduced graphene oxide (rGO) film is used as a barrier layer extensively in the fabrication of AgNW-based electrodes. Considering the difficulty of entirely removing the oxygen containing groups (OCGs) on GO film to form rGO film, there is a lack of information about the effect of OCGs on barrier layer on the stability of AgNW-based network. Therefore, we decided to study the corrosion of AgNW network overcoated with GO film, on which contained different amounts of OCGs. Two kinds of AgNW-based electrodes, graphene oxide (GO) /AgNW/polyethylene terephthalate (PET) TCEs and rGO/AgNW/PET TCEs, were fabricated by a rapid and facile flame treatment and exposed to ambient conditions. The structural and performance changes were monitored with exposed time. Our results demonstrated that AgNWs are susceptible to the barrier layers.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130494930","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117489
M. Bedewy, Jingjie Hu, A. Hart
We study the critical factors that govern the 2D-crystal quality of self-assembled nanoparticles using convective assembly (“blade-casting”) technique. The goal is to improve crystal quality by both maximizing monolayer coverage and optimizing crystal width. We find that crystal quality is enhanced by air plasma treatment on substrate surface, while the monolayer domain size increases with assembly at higher substrate temperature. In addition, we correlate the meniscus shape to array thickness obtained at different deposition stages. Our results provide insights toward scalable production of well-ordered nanoparticle monolayers for applications including biosensors, optically-active surfaces, and nanocomposites.
{"title":"Precision control of nanoparticle monolayer assembly: Optimizing rate and crystal quality","authors":"M. Bedewy, Jingjie Hu, A. Hart","doi":"10.1109/NANO.2017.8117489","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117489","url":null,"abstract":"We study the critical factors that govern the 2D-crystal quality of self-assembled nanoparticles using convective assembly (“blade-casting”) technique. The goal is to improve crystal quality by both maximizing monolayer coverage and optimizing crystal width. We find that crystal quality is enhanced by air plasma treatment on substrate surface, while the monolayer domain size increases with assembly at higher substrate temperature. In addition, we correlate the meniscus shape to array thickness obtained at different deposition stages. Our results provide insights toward scalable production of well-ordered nanoparticle monolayers for applications including biosensors, optically-active surfaces, and nanocomposites.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117163025","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117278
A. Agresti, S. Pescetelli, L. Najafi, A. E. Del Río Castillo, R. Oropesa-Nuñez, Y. Busby, F. Bonaccorso, A. Di Carlo
We report the use of graphene and related 2D materials as an effective way to control and stabilize the interfaces in perovskite solar cells (PSCs). In particular, graphene flakes have been used as a dopant for compact and mesoporous TiO2 layers while reduced graphene oxide (rGO) or molybdenum disulphide (MoS2) have been employed as interlayer at the perovskite/hole transporting material interface. With respect to standard architecture, the proposed engineering of mesoscopic PSC combines enhanced performance with improved stability under real working conditions.
{"title":"Graphene and related 2D materials for high efficient and stable perovskite solar cells","authors":"A. Agresti, S. Pescetelli, L. Najafi, A. E. Del Río Castillo, R. Oropesa-Nuñez, Y. Busby, F. Bonaccorso, A. Di Carlo","doi":"10.1109/NANO.2017.8117278","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117278","url":null,"abstract":"We report the use of graphene and related 2D materials as an effective way to control and stabilize the interfaces in perovskite solar cells (PSCs). In particular, graphene flakes have been used as a dopant for compact and mesoporous TiO2 layers while reduced graphene oxide (rGO) or molybdenum disulphide (MoS2) have been employed as interlayer at the perovskite/hole transporting material interface. With respect to standard architecture, the proposed engineering of mesoscopic PSC combines enhanced performance with improved stability under real working conditions.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"30 13","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134501590","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117313
Guangfu Wu, Xin Tang, Zihong Lin, M. Meyyappan, K. Lai
We experimentally demonstrated that the effect of ionic strength of electrolyte on the electrical signal of liquid-gated graphene field-effect transistors (G-FETs) in sensing of E. coli. Phosphate buffered saline (PBS) with different concentrations, which affects the ionic strength, was employed as the electrolyte for biosensor operation. The results showed that larger response (4.16%) was obtained by using the PBS with smaller ionic strength (1.627 mM). When the ionic strength is too low (0.1627 mM), it causes negative effect on the antibody-E. coli interaction, resulting in a smaller response (2.98%). This study provides a simple method to optimize the operation conditions of graphene biosensors, which enables the optimization of the electrical response.
{"title":"The effect of ionic strength on the sensing performance of liquid-gated biosensors","authors":"Guangfu Wu, Xin Tang, Zihong Lin, M. Meyyappan, K. Lai","doi":"10.1109/NANO.2017.8117313","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117313","url":null,"abstract":"We experimentally demonstrated that the effect of ionic strength of electrolyte on the electrical signal of liquid-gated graphene field-effect transistors (G-FETs) in sensing of E. coli. Phosphate buffered saline (PBS) with different concentrations, which affects the ionic strength, was employed as the electrolyte for biosensor operation. The results showed that larger response (4.16%) was obtained by using the PBS with smaller ionic strength (1.627 mM). When the ionic strength is too low (0.1627 mM), it causes negative effect on the antibody-E. coli interaction, resulting in a smaller response (2.98%). This study provides a simple method to optimize the operation conditions of graphene biosensors, which enables the optimization of the electrical response.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123761264","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117269
Meng Liu, W. Fu, Tie Li, Yuelin Wang
VO2 (A) emitters with 10 nm gap between the cathode and anode were fabricated with the aid of focus ion beam etching. Excellent field emission properties were achieved under atmospheric conditions with turn-on voltage as low as 0.6 V and good emission stability over 30 minutes. This work provides a practical way to eliminate the vacuum needs of the field emission devices and has potential use in future nanoscale field emission devices such as vacuum field emission transistors.
{"title":"Excellent field emission properties of vanadium oxide nanoemitters in air","authors":"Meng Liu, W. Fu, Tie Li, Yuelin Wang","doi":"10.1109/NANO.2017.8117269","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117269","url":null,"abstract":"VO2 (A) emitters with 10 nm gap between the cathode and anode were fabricated with the aid of focus ion beam etching. Excellent field emission properties were achieved under atmospheric conditions with turn-on voltage as low as 0.6 V and good emission stability over 30 minutes. This work provides a practical way to eliminate the vacuum needs of the field emission devices and has potential use in future nanoscale field emission devices such as vacuum field emission transistors.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132375267","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}
Pub Date : 2017-07-25DOI: 10.1109/NANO.2017.8117260
Zeyang Liu, Minmin Lu, M. Nakajima, Masaru Takeuchi, Y. Hasegawa, T. Fukuda, Qiang Huang
Artificial cell sheet is utilized as a useful method for tissue engineering. We proposed a novel approach to fabricate the Ca-alginate gel sheet embedded liver cells to mimic the liver lobule tissue. Ca-alginate sheet with hepatic lobule shaped pattern was firstly deposited on a micro-electrode device based on the electrodeposition method. Viability of embedded cells was checked to be maintained more than 90%. What's more, we further stacked the fabricated cell sheets into a pre-designed PDMS mold. The stacked multi-layered 3D cell structure can contribute the possibility for the applications of artificial liver fabrication.
{"title":"Fabrication of multilayered hepatic lobule tissues using Ca-alginate hydrogel platforms","authors":"Zeyang Liu, Minmin Lu, M. Nakajima, Masaru Takeuchi, Y. Hasegawa, T. Fukuda, Qiang Huang","doi":"10.1109/NANO.2017.8117260","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117260","url":null,"abstract":"Artificial cell sheet is utilized as a useful method for tissue engineering. We proposed a novel approach to fabricate the Ca-alginate gel sheet embedded liver cells to mimic the liver lobule tissue. Ca-alginate sheet with hepatic lobule shaped pattern was firstly deposited on a micro-electrode device based on the electrodeposition method. Viability of embedded cells was checked to be maintained more than 90%. What's more, we further stacked the fabricated cell sheets into a pre-designed PDMS mold. The stacked multi-layered 3D cell structure can contribute the possibility for the applications of artificial liver fabrication.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130004310","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}
Pub Date : 2017-07-01DOI: 10.1109/NANO.2017.8117293
Manopriya Devisetty Subramanyam, Sylvia W. Thomas, N. Roy, Ridita Rahman Khan
The objective of this work was to investigate how cobalt oxide doped coatings in the form of thin films could affect the electrical response of silicon (Si) solar cells. Spin coated thin films consisting of a polymeric solution of cobalt oxide-antimony doped tin oxide (CoO-ATO) were used as coatings on 3" × 6" Si solar cells. Based on the spectral response of CoO-ATO, it is hypothesized that coatings of this material onto a solar cell can help improve the performance of the cell. CoO-ATO thin films are coated onto a Si solar cell to synthesize a potential mat for the solar cell to filter out infrared light, thus improving the effectiveness and performance of the solar cell since it would primarily be absorbing visible light rather than infrared. CoO-ATO has been shown to be effective in the range of 3000 nm to 5000 nm. Obtained results show that 16% by wt of cobalt oxide and 94% by wt of antimony doped tin oxide produced maximum wattage.
{"title":"Investigations of CoO-ATO coatings for silicon solar cells","authors":"Manopriya Devisetty Subramanyam, Sylvia W. Thomas, N. Roy, Ridita Rahman Khan","doi":"10.1109/NANO.2017.8117293","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117293","url":null,"abstract":"The objective of this work was to investigate how cobalt oxide doped coatings in the form of thin films could affect the electrical response of silicon (Si) solar cells. Spin coated thin films consisting of a polymeric solution of cobalt oxide-antimony doped tin oxide (CoO-ATO) were used as coatings on 3\" × 6\" Si solar cells. Based on the spectral response of CoO-ATO, it is hypothesized that coatings of this material onto a solar cell can help improve the performance of the cell. CoO-ATO thin films are coated onto a Si solar cell to synthesize a potential mat for the solar cell to filter out infrared light, thus improving the effectiveness and performance of the solar cell since it would primarily be absorbing visible light rather than infrared. CoO-ATO has been shown to be effective in the range of 3000 nm to 5000 nm. Obtained results show that 16% by wt of cobalt oxide and 94% by wt of antimony doped tin oxide produced maximum wattage.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126054848","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}
Pub Date : 2017-07-01DOI: 10.1109/NANO.2017.8117409
Jiahong Lin, Huicong Liu, Tao Chen, Zhan Yang, Lining Sun
This paper presented a rotational electromagnetic energy harvester to scavenge the human kinetic energy and convert into electrical energy. The harvester simply introduced a cylindrical stator and disk-shaped rotor, which are made of NdFeB. Without complicated movement mechanism, the stator and rotor, of a higher pair have theoretical line contact by magnetic attractive force. Therefore, the rotor can easily rotate around the stator, avoiding unnecessary surface friction. In this paper, the wearable energy harvester was attached on human's ankle and wrist for harvesting body motion energy, such as jogging and running at different speeds. The relative movement between the fixed electromagnetic coil array and rotational magnetic rotor can generate electricity efficiently. At a running speed of 8 km/h, the maximum voltage and average power density can reach to 1.92 V and 0.2 mW/cm3, respectively. This rotational non-resonant energy harvester could be potentially used as alternative power source for smart wearable devices, such as wristwatch, heart-rate monitor, smart helmet and so on.
{"title":"A rotational wearable energy harvester for human motion","authors":"Jiahong Lin, Huicong Liu, Tao Chen, Zhan Yang, Lining Sun","doi":"10.1109/NANO.2017.8117409","DOIUrl":"https://doi.org/10.1109/NANO.2017.8117409","url":null,"abstract":"This paper presented a rotational electromagnetic energy harvester to scavenge the human kinetic energy and convert into electrical energy. The harvester simply introduced a cylindrical stator and disk-shaped rotor, which are made of NdFeB. Without complicated movement mechanism, the stator and rotor, of a higher pair have theoretical line contact by magnetic attractive force. Therefore, the rotor can easily rotate around the stator, avoiding unnecessary surface friction. In this paper, the wearable energy harvester was attached on human's ankle and wrist for harvesting body motion energy, such as jogging and running at different speeds. The relative movement between the fixed electromagnetic coil array and rotational magnetic rotor can generate electricity efficiently. At a running speed of 8 km/h, the maximum voltage and average power density can reach to 1.92 V and 0.2 mW/cm3, respectively. This rotational non-resonant energy harvester could be potentially used as alternative power source for smart wearable devices, such as wristwatch, heart-rate monitor, smart helmet and so on.","PeriodicalId":292399,"journal":{"name":"2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126720326","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}
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