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2021 IEEE International Flexible Electronics Technology Conference (IFETC)最新文献

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Direct-band gap, solution-processed 2D layered perovskites for flexible photodetectors 直接带隙，溶液处理二维层状钙钛矿柔性光电探测器
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580509
M. Sharma, Ridwan F. Hossain, A. Kaul
{"title":"Direct-band gap, solution-processed 2D layered perovskites for flexible photodetectors","authors":"M. Sharma, Ridwan F. Hossain, A. Kaul","doi":"10.1109/IFETC49530.2021.9580509","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580509","url":null,"abstract":"The two-dimensional (2D) halide perovskites have recently drawn significant interest due to their tunable optoelectronic properties and high-power conversion efficiencies in photovoltaic applications. Here we present the synthesis of the solution processed 2D layered organo-halide (CH<inf>3</inf>(CH<inf>2</inf>)<inf>3</inf>NH<inf>3</inf>)<inf>2</inf>(CH<inf>3</inf>NH<inf>3</inf>)<inf>n-1</inf>Pb<inf>n</inf>I<inf>3n+1</inf> (n = 4) perovskites and the fabrication of heterostructure flexible photodetector (PD) devices on polyimide (PI) substrates using the additively manufactured process of ink-jet printing. The devices were found to be photoresponsive to broadband incoming radiation in the visible regime. A high ON/OFF ratio ~ 2.3×10<sup>3</sup> and response times on the rising and falling edges, <tex>$tau_{rise}$</tex> and <tex>$tau_{fall}$</tex> were determined to be ~ 24 ms and ~ 65 ms, respectively. Finally, in this work we also report on the first strain dependent measurements on ink-jet printed perovskite PDs, where the photocurrent <tex>$I_{p}$</tex> decreased by only 27% upon bending with radius of curvature of ~0.262 cm<sup>−1</sup>, The flexible, ink-jet printed 2D perovskite heterostructure PDs have significant potential for optoelectronic devices which can enable broad possibilities given the compositional tunability and versatility of the 2D organohalide perovskites.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122939220","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
Inactivation of B. subtilis Spores Using Flexible Microplasma Discharge Device 柔性微等离子体放电装置灭活枯草芽孢杆菌孢子
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580519
A. K. Bose, C. L. Beaver, D. Maddipatla, S. Rossbach, M. Atashbar
{"title":"Inactivation of B. subtilis Spores Using Flexible Microplasma Discharge Device","authors":"A. K. Bose, C. L. Beaver, D. Maddipatla, S. Rossbach, M. Atashbar","doi":"10.1109/IFETC49530.2021.9580519","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580519","url":null,"abstract":"A flexible microplasma discharge device (MDD) was successfully fabricated for inactivating spore forming bacteria such as Bacillus subtilis. The device was operated under ambient conditions using ambient air as the inactivating agent. A flexible polyethylene terephthalate (PET) film was employed as the dielectric layer and sandwiched between layers of flexible copper tape. The top and bottom electrodes were laser ablated in a honeycomb and circular pattern, respectively. The efficacy of the MDD was analyzed by irradiating microplasma on to the surface of agar on a petri dish, that was inoculated with B. subtilis. One-and seven-days old culture of B. subtilis were used to investigate the effectiveness of MDD for varying treatment time. It was observed that the device was able to inactivate both one- and seven-days old culture of B subtilis from only one second of exposure time and achieved 4log10 reduction. The performance of the MDD towards vegetative and sporulated cells of B. subtilis are analyzed and presented in this paper.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129054105","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
Engineering current-voltage linearity in TFTs for analog and neuromorphic computing 用于模拟和神经形态计算的TFTs的工程电流-电压线性度
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580521
E. Bestelink, O. de Sagazan, R. Sporea
{"title":"Engineering current-voltage linearity in TFTs for analog and neuromorphic computing","authors":"E. Bestelink, O. de Sagazan, R. Sporea","doi":"10.1109/IFETC49530.2021.9580521","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580521","url":null,"abstract":"Many emerging analog and neuromorphic applications would benefit from a fully linear dependence of a transistor's output on its input for reduced distortion and facile design of linear functions. We show how a new TFT structure, the multimodal transistor, can achieve a linearly dependent drain current in saturation (constant transconductance) with direct proportionality over a large range of input voltages.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117283968","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
Flexible, Gallium Oxide (Ga2O3) Thin Film Transistors (TFTs) and Circuits for the Internet of Things (IoT) 用于物联网(IoT)的柔性氧化镓(Ga2O3)薄膜晶体管(TFTs)和电路
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580524
Sagar R. Bhalerao, D. Lupo, P. R. Berger
{"title":"Flexible, Gallium Oxide (Ga2O3) Thin Film Transistors (TFTs) and Circuits for the Internet of Things (IoT)","authors":"Sagar R. Bhalerao, D. Lupo, P. R. Berger","doi":"10.1109/IFETC49530.2021.9580524","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580524","url":null,"abstract":"Even though present advanced silicon-based devices and technology could be reaching their zenith of performance levels, still there are many orthogonal applications, which are yet far from their reach. Also, due to their high process temperatures, there are still a number of applications that are out-of-reach for silicon, namely direct integration into flexible and printed electronics, as opposed to a hybrid integration of adding a prefabricated integrated circuit. These can find usage in low-cost and disposable wearable medical technologies. Therefore, the low temperature-solution processed oxide semiconductors that are complimentary to the performance of silicon are prerequisite for the forthcoming printed, flexible and wearable electronics revolution. Here, solution processed, flexible gallium oxide (Ga2O3) thin film transistors (TFT) and inverter circuit are reported. The high-K aluminium oxide (Al2O3) for the gate dielectric, was deposited with the help of a room temperature anodization process. The gallium oxide TFTs show high performance, with extracted electron mobility (µ) 2.74 cm2/V.s, operating voltage as low as 3V and threshold voltage (Vth) 0.61 V. The on/off ratio 104 and subthreshold swing (SS) 0.5 V/dec, Hysteresis 0.1 V and transconductance, gm, is 64.8 µS.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116095063","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
Recycled Carbon-based Strain Sensors: An Ecofriendly Approach using Char and Coconut Oil 再生碳基应变传感器:使用炭和椰子油的环保方法
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580526
Hugo de Souza Oliveira, Federica Catania, G. Cantarella, V. Benedetti, M. Baratieri, N. Münzenrieder
{"title":"Recycled Carbon-based Strain Sensors: An Ecofriendly Approach using Char and Coconut Oil","authors":"Hugo de Souza Oliveira, Federica Catania, G. Cantarella, V. Benedetti, M. Baratieri, N. Münzenrieder","doi":"10.1109/IFETC49530.2021.9580526","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580526","url":null,"abstract":"Bio-compatible high stretchable strain sensors can be applied in several areas ranging from engineering to medicine. Among many efforts in developing new sensors, there is a growing demand for eco-friendly devices characterized by a minimum environmental impact and a low cost. This work deals with the development and analysis of a biocompatible, eco-friendly, and unexpensive strain sensor, easily manufacturable, consisting of natural coconut oil, and recycled char, the solid residue obtained after the gasification of biomass. The results demonstrate an average gauge factor of (23.2 ± 2.5), with a linear response until 80% strain, a higher hysteresis occurring between strain values of 25% 40% and a stable and reliable response after 250 stretch/release cycles.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127119753","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
Low-Cost Social Distancing Alerting Wrist Band Device 低成本的社交距离警报腕带装置
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580513
K. S. Souparnika, R. Mariam, Sreya Jayan, Hridya Harikumar, Shruti, Vasant Joseph
{"title":"Low-Cost Social Distancing Alerting Wrist Band Device","authors":"K. S. Souparnika, R. Mariam, Sreya Jayan, Hridya Harikumar, Shruti, Vasant Joseph","doi":"10.1109/IFETC49530.2021.9580513","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580513","url":null,"abstract":"Covid-19 pandemic is ravaging the world and humankind is facing one of the toughest challenges of this century. The main requirement is to stay safe. According to the Covid-19 protocol, a healthy person who is adjacent to an infected person for more than 15 minutes has a very high chance to get infected. Body temperature more than the normal temperature is one of the symptoms of the symbiotic Covid-19 infected person. This paper presents an idea to design a low-cost affordable wrist band that alerts the user if a person with higher body temperature is in his/her proximity. A simple component like thermopile temperature sensor, amplifier, monostable multivibrator, and LEDs are used to design this wrist band. The paper discusses the outline circuit to achieve this, which can be used by all people.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"363 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126698726","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
2cm diameter Antenna & Sharp Multi-threshold Detection Thin-film RFID Tags on Flexible substrate 柔性基板上的2cm直径天线和锐利多阈值检测薄膜RFID标签
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580529
N. Papadopoulos, Firat Tankut, B. K. Esfeh, Marc Ameys, F. de Roose, Bart Aerts, S. Smout, M. Willegems, R. Appeltans, K. Myny
{"title":"2cm diameter Antenna & Sharp Multi-threshold Detection Thin-film RFID Tags on Flexible substrate","authors":"N. Papadopoulos, Firat Tankut, B. K. Esfeh, Marc Ameys, F. de Roose, Bart Aerts, S. Smout, M. Willegems, R. Appeltans, K. Myny","doi":"10.1109/IFETC49530.2021.9580529","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580529","url":null,"abstract":"RFID tags are embedded in everyday objects providing extra functionalities and aiming to connect them to the cloud. Miniaturization of flexible RFID tags enables the integration into smaller everyday health, entertainment, food related objects, besides enhancing security and decreasing the cost. In addition, external sensor integration and readout enable new applications for the sensor tags. In this paper a miniaturized 2cm (1€ coin size) diameter antenna is combined with a flexible InGaZnO thin-film RFID chip operating at 3V and transmitting data at 7.3kHz. Moreover, the sharp threshold detection (<500k Ω) of a resistive temperature sensor is demonstrated using the same technology, enabling multi-threshold detection on flexible and ultrathin (<15µm) substrates.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127036575","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
Impact of Diverse Ambient Illuminations on a Flexible Photosensitive Energy Scavenger 不同环境光照对柔性光敏能量清除器的影响
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580511
E. Iranmanesh, A. Rasheed, Guoshen Yang, Hang Zhou, Kai Wang
{"title":"Impact of Diverse Ambient Illuminations on a Flexible Photosensitive Energy Scavenger","authors":"E. Iranmanesh, A. Rasheed, Guoshen Yang, Hang Zhou, Kai Wang","doi":"10.1109/IFETC49530.2021.9580511","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580511","url":null,"abstract":"This paper details the effect of diverse environmental light conditions on characterization of a piezoelectric transducer biased photosensitive dual-gate thin-film transistor as a dual-mode wearable harvester. It demonstrates that exposure of harvesting module over ambient illuminations effectively decreases the internal resistance of DGTFT and results in peak voltage enhancement along with peak power increment. Ultimately an in-depth experimental analysis of peak power under distinct ambient illuminations shapes a daily usage pattern for further investigation.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115617347","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
Stacked 1D Tellurium Nanowires/Paper based Pressure Sensor with Laser Assisted Patterned PDMS Encapsulation 激光辅助图像化PDMS封装堆叠1D碲纳米线/纸压力传感器
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580505
Venkatarao Selamneni, Parikshit Sahatiya
{"title":"Stacked 1D Tellurium Nanowires/Paper based Pressure Sensor with Laser Assisted Patterned PDMS Encapsulation","authors":"Venkatarao Selamneni, Parikshit Sahatiya","doi":"10.1109/IFETC49530.2021.9580505","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580505","url":null,"abstract":"In last two decades, significant research has been done on the development of largescale, flexible, wearable, and multifunctional sensors. In this regard, flexible and wearable pressure sensors have gained enormous interest in various applications. This work demonstrates the fabrication of flexible, wearable, and cost-effective pressure sensor based on one dimensional (1D) tellurium nanowires (Te-NWs) deposited on cellulose paper substrate. Te-NWs synthesized using a facile solution process method and flowed by the dip-coating of Te-NWs on paper substrates. The device is prepared by stacking three Te-NWs/ coated papers and made contacts on top and bottom. To improve the flexibility and sensitivity of the device, it is encapsulated in polydimethylsiloxane (PDMS) films with micropyramid structures prepared using laser engraved acrylic mould. The fabricated pressure sensor exhibited a sensitivity of ~ 4.17 kPa−1 for the range 500 Pa to 2.5 kPa and~ 1.42 kPa−1 for above 2.5 kPa. The fabricated pressure sensor shows great potential for real-time applications in personal health monitoring and human-machine interfacing.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128489313","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
A sustainable industrial Silicone based substrate as well as circular platform to drive FHE manufacturing and supply chain for wearable, e-skin applications 可持续的工业硅基基板和圆形平台，推动可穿戴电子皮肤应用的FHE制造和供应链
2021 IEEE International Flexible Electronics Technology Conference (IFETC) Pub Date : 2021-08-08 DOI: 10.1109/IFETC49530.2021.9580512
A. Mukherjee, P. P. Pancham, Haolin Yang
{"title":"A sustainable industrial Silicone based substrate as well as circular platform to drive FHE manufacturing and supply chain for wearable, e-skin applications","authors":"A. Mukherjee, P. P. Pancham, Haolin Yang","doi":"10.1109/IFETC49530.2021.9580512","DOIUrl":"https://doi.org/10.1109/IFETC49530.2021.9580512","url":null,"abstract":"Transition from linear to circular economy to have a sustainable ecosystem is now prevailing in almost every sector including Flexible Hybrid Electronics. Researchers, scientists and stakeholders are putting continuous efforts in order to have sustainable solutions to support circular economy. In order to support Flexible Hybrid Electronics in a sustainable manner General Silicones with its decades of experience developed a sustainable industrial silicone-based substrate that not only possess excellent chemical and mechanical properties but also removing the drawback of low surface energy of silicone causing adhesion, bonding and printing issues, it can act as innovative sustainable platform to design printed and flexible electronics with unmet possibilities.","PeriodicalId":133484,"journal":{"name":"2021 IEEE International Flexible Electronics Technology Conference (IFETC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123010651","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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