Fully roll-to-roll gravure printed rectenna on plastic foils for wireless power transmission at 13.56 MHz

Park, Hyejin; Kang, Hwiwon; Lee, Yonggil; Park, Yong-Su; Noh, Jinsoo; Cho, Gyoujin

doi:10.1088/0957-4484/23/34/344006

Cited by 74 publications

(73 citation statements)

References 22 publications

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“…Thus, another strategy for printed UHF electronics would be to consider conventional inorganic semiconductors comprising high mobility and carrier concentration and modify the processing method to make it compatible with low-temperature processing and traditional printing techniques (13). One way to achieve this is to use nanoparticle semiconductor inks, a route that was successfully used to demonstrate fully printed rectennas, however presently limited to an operational frequency of 13.56 MHz (16). With advances in chemistry and nanotechnology, solutionprocessed inorganic semiconductors are now available (23,24).…”

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confidence: 99%

All-printed diode operating at 1.6 GHz

Sani

Robertsson

Cooper

et al. 2014

Proc. Natl. Acad. Sci. U.S.A.

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Printed electronics are considered for wireless electronic tags and sensors within the future Internet-of-things (IoT) concept. As a consequence of the low charge carrier mobility of present printable organic and inorganic semiconductors, the operational frequency of printed rectifiers is not high enough to enable direct communication and powering between mobile phones and printed e-tags. Here, we report an all-printed diode operating up to 1.6 GHz. The device, based on two stacked layers of Si and NbSi 2 particles, is manufactured on a flexible substrate at low temperature and in ambient atmosphere. The high charge carrier mobility of the Si microparticles allows device operation to occur in the charge injection-limited regime. The asymmetry of the oxide layers in the resulting device stack leads to rectification of tunneling current. Printed diodes were combined with antennas and electrochromic displays to form an all-printed e-tag. The harvested signal from a Global System for Mobile Communications mobile phone was used to update the display. Our findings demonstrate a new communication pathway for printed electronics within IoT applications.

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confidence: 99%

All-printed diode operating at 1.6 GHz

Sani

Robertsson

Cooper

et al. 2014

Proc. Natl. Acad. Sci. U.S.A.

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“…The suggested fabrication processes for these devices include modifying silicon wafers into ribbons or thinning them until they are flexible, using peel-and-stick, lift-off or transfer printing techniques, depositing silicon nanomembranes, or solution processing of silanes followed by annealing [8,9,23,[34][35][36][37][38][39][40]. Besides silicon, other materials such as ZnO, Ge and indium-gallium-zinc-oxide have also been used for high frequency (HF) or UHF devices [41][42][43]. Nevertheless, all the above works report production steps including high temperature, vacuum or other processes that are not feasible for industrial, mass-production procedures.…”

Section: Motivation and Goalmentioning

confidence: 99%

Addressability and GHz Operation in Flexible Electronics

Sani

2016

Linköping Studies in Science and Technology. Dissertations

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The first principle is that you must not fool yourself and you are the easiest person to fool. -Richard FeynmanThe discovery of conductive polymers in 1977 opened up a whole new path for flexible electronics. Conducting polymers and organic semiconductors are carbon rich compounds that are able to conduct charges while flexed and are compatible with low-cost and large-scale processes including printing and coating techniques. The conducting polymer has aided the rapidly expanding field of flexible electronics, leading to many new applications such as electronic skin, RFID tags, smart labels, flexible displays, implantable medical devices, and flexible sensors.However, there are several remaining challenges in the production and implementation of flexible electronic materials and devices. The conductivity of organic conductors and semiconductors is still orders of magnitude lower compared to their inorganic counterparts. In addition, non-flexible inorganic semiconductors still remain the materials of choice for high frequency applications; since the charge carrier mobility and thus operational speed of the organic materials are limited. Therefore, there remains a high demand to combine the high frequency operation of inorganic semiconductors with the flexible fabrication methods of organic systems for future electronics.In addition to the challenges in the choice of materials in flexible electronics, the upscaling of the flexible devices and implementing them in circuits can also be complicated. Lack of non-linearity is an issue that arises when flexible devices with linear behavior need to be incorporated in an array or matrix form. Non-linearity is important for applications such as displays and memory arrays, where the devices are arranged as matrix cells addressed by their row and column number. If the behavior of cells in the matrix is linear, addressing each cell affects the adjacent cells. Therefore, inducing non-linearity and, consequently, addressability in such linear devices is the first step before scaling up into matrix schemes.In this work, non-linear organic/inorganic hybrid devices are produced to overcome the limitations mentioned above and leverage the advantages of both organic and inorganic materials. Two novel methods are developed to incorporate non-flexible inorganic semiconductors into ultra-high frequency (UHF) flexible devices. In the first method, Si is ground into a powder with micrometer-sized particles and printed through standard screen printing. For the first time, allprinted flexible diodes operating in the GHz range are produced. The energy harvesting application of the printed diodes is demonstrated in a flexible circuit coupling an antenna and the display to the diode.A second and simpler room-temperature method based on lamination was later developed, which further improves device performance and operational frequency. Here, a flexible semiconducting composite film consisting of Si microparticles, glycerol, and nano-fibrillated cellulose is produced and used as the semiconduct...

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“…These parameters are the key factors for the development of demanding, miniature, and multifunctional communication systems for wireless sensor networks and smart electronic devices. The deposition of suitable metal ink on the prescribed flexible substrate for the fabrication of highly desirable electronic devices is a major challenge [4,5]. This metallization itself presents the challenge of the formulation of suitable silver (Ag) nanoparticle ink.…”

Section: Introductionmentioning

confidence: 99%

Screen‐Printed Flexible Bandstop Filter on Polyethylene Terephthalate Substrate Based on Ag Nanoparticles

Dhakal

Jung

Park

et al. 2015

Journal of Nanomaterials

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We present a low-power, cost-effective, highly reproducible, and disposable bandstop filter by employing high-throughput screenprinting technology. We apply large-scale printing strategies using silver-nanoparticle-based ink for the metallization of conductive wires to fabricate a bandstop filter on a polyethylene terephthalate (PET) substrate. The filter exhibits an attenuation pole at 4.35 GHz with excellent in-and-out band characteristics. These characteristics reflect a rejection depth that is better than −25 dB with a return loss of −0.75 dB at the normal orientation of the PET substrate. In addition, the filter characteristics are observed at various bending angles (0 ∘ , 10 ∘ , and 20 ∘ ) of the PET substrate with an excellent relative standard deviation of less than 0.5%. These results confirm the accuracy, reproducibility, and independence of the resonance frequency. This screen-printing technology for welldefined nanostructures is more favorable than other complex photolithographic processes because it overcomes signal losses due to uneven surface distributions and thereby reveals a homogeneous distribution. Moreover, the proposed methodology enables incremental steps in the process of producing highly flexible and cost-effective printed-electronic radio devices.

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Fully roll-to-roll gravure printed rectenna on plastic foils for wireless power transmission at 13.56 MHz

Cited by 74 publications

References 22 publications

All-printed diode operating at 1.6 GHz

All-printed diode operating at 1.6 GHz

Addressability and GHz Operation in Flexible Electronics

Screen‐Printed Flexible Bandstop Filter on Polyethylene Terephthalate Substrate Based on Ag Nanoparticles

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