scholarly journals Gravure Printing of Water-based Silver Nanowire ink on Plastic Substrate for Flexible Electronics

2018 ◽  
Vol 8 (1) ◽  
Author(s):  
Qijin Huang ◽  
Yong Zhu
Keyword(s):  
Flexible Electronics ◽  
Silver Nanowire ◽  
Plastic Substrate ◽  
Gravure Printing ◽  
Water Based

Preparation and application of water-based nano-silver conductive ink in paper-based 3D printing

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Chenfei Zhao ◽  
Jun Wang ◽  
Lini Lu
Keyword(s):  
Flexible Electronics ◽  
Low Cost ◽  
Methyl Cellulose ◽  
Conductive Ink ◽  
Content Type ◽  
Nano Silver ◽  
Printed Circuit ◽  
Silver Ink ◽  
Sintering Time ◽  
Water Based

Purpose In flexible electronics applications, organic inks are mostly used for inkjet printing. Three-dimensional (3 D) printing technology has the advantages of low cost, high speed and good precision in modern electronic printing. The purpose of this study is to solve the high cost of traditional printing and the pollution emissions of organic ink. It is necessary to develop a water-based conductive ink that is easily degradable and can be 3 D printed. A nano-silver ink printed circuit pattern with high precision, high conductivity and good mechanical properties is a promising strategy. Design/methodology/approach The researched nano-silver conductive ink is mainly composed of silver nanoparticles and resin. The effect of adding methyl cellulose on the ink was also explored. A simple 3 D circuit pattern was printed on photographic paper. The line width, line length, line thickness and conductivity of the printed circuit were tested. The influence of sintering temperature and sintering time on pattern resistivity was studied. The relationship between circuit pattern bending performance and electrical conductivity is analyzed. Findings The experimental results show that the ink has the characteristics of low silver content and good environmental protection effect. The printing feasibility of 3 D printing circuit patterns on paper substrates was confirmed. The best printing temperature is 160°C–180°C, and the best sintering time is 30 min. The circuit pattern can be folded 120°, and the cycle is folded more than 60 times. The minimum resistivity of the circuit pattern is 6.07 µΩ·cm. Methyl cellulose can control the viscosity of the ink. The mechanical properties of the pattern have been improved. The printing method of 3 D printing can significantly reduce the sintering time and temperature of the conductive ink. These findings may provide innovation for the flexible electronics industry and pave the way for alternatives to cost-effective solutions. Originality/value In this study, direct ink writing technology was used to print circuit patterns on paper substrates. This process is simple and convenient and can control the thickness of the ink layer. The ink material is nonpolluting to the environment. Nano-silver ink has suitable viscosity and pH value. It can meet the requirements of pneumatic 3 D printers. The method has the characteristics of simple process, fast forming, low cost and high environmental friendliness.

Organic/Inorganic Hybrid-Type Nonvolatile Memory Thin-Film Transistor on Plastic Substrate below 150°C

2011 ◽  
Vol 1287 ◽  
Author(s):  
Sung-Min Yoon ◽  
Shinhyuk Yang ◽  
Soon-Won Jung ◽  
Sang-Hee Ko Park ◽  
Chun-Won Byun ◽  
...  
Keyword(s):  
Flexible Electronics ◽  
Nonvolatile Memory ◽  
Vinylidene Fluoride ◽  
Thin Film Transistor ◽  
Memory Device ◽  
Gate Insulator ◽  
Oxide Semiconductor ◽  
Plastic Substrate ◽  
Inorganic Hybrid ◽  
Hybrid Type

ABSTRACTAn organic/inorganic hybrid-type nonvolatile memory TFT was proposed as a core device for the future flexible electronics. The structural feature of this memory TFT was that a ferroelectric copolymer and an oxide semiconductor layers were employed as a gate insulator and an active channel, respectively. The memory TFT with the structure of Au/poly(vinylidene fluoride-trifluoroethylene)/Al2O3/ZnO/Ti/Au/Ti/poly(ethylene naphthalate) could be successfully fabricated at the process temperature of below 150°C. It was confirmed that the TFT well operated as a memory device even under the bending situations.

Flexible Magnetics: Magnetic Lithography and Fabrication of Magnetic Masks on Thin Plastic Substrates

2003 ◽  
Vol 769 ◽  
Author(s):  
Z. Z. Bandić ◽  
H. Xu ◽  
J.E.E. Baglin ◽  
T. R. Albrecht
Keyword(s):  
Magnetic Material ◽  
Flexible Electronics ◽  
Flexible Substrate ◽  
Magnetic Transition ◽  
Soft Magnetic Material ◽  
Plastic Substrate ◽  
Magnetic Media ◽  
Soft Magnetic ◽  
Plastic Substrates ◽  
Pet Films

AbstractFlexible magnetic lithography is a process qualitatively analogous to contact optical lithography which transfers information from a patterned magnetic mask (analog of optical photomask) to magnetic media (analog of photoresist), and is interesting for applications in instantaneous parallel magnetic recording. The magnetic mask consists of patterned soft magnetic material (FeNiCo, FeCo) on a flexible plastic substrate, typically Polyethylene Teraphtalate (PET). When uniformly magnetized media is brought into intimate contact with the magnetic mask, an externally applied magnetic field selectively changes the magnetic orientation in the areas not covered with the soft magnetic material. Flexible substrate of the magnetic mask o.ers superior compliance to magnetic media which is likely to have imperfect flatness and surface particulate contamination.Although magnetic in physical nature, flexible magnetics draws interesting parallels to flexible electronics, especially in challenges of fabrication of sub-micron patterns on thin flexible plastic substrates. We fabricated samples of sub-micron patterned FeCo and FeNiCo magnetic masks on PET substrates by using combined lamination/release process of PET films. Rigid substrates, typically silicon or quartz were initially laminated with PET films and processed using standard fabrication procedures. After completing magnetic mask device fabrication, PET films were released from the rigid substrates.We successfully transferred patterns from magnetic masks to hard disk CrPtCo-based magnetic media. The details of the method, including physics of the magnetic lithography pattern transfer, fabrication of the magnetic mask on flexible PET substrates, lamination and release of PET films, and magnetic force microscopy (MFM) images of the magnetic transition patterns are reported.

The operation of a-Si:H TFTs flexible electronics on plastic substrate

2007 ◽  
Author(s):  
M. H. Lee ◽  
S. T. Chang ◽  
Y.-T. Liu ◽  
C.-F. Huang ◽  
K.-Y. Ho ◽  
...  
Keyword(s):  
Flexible Electronics ◽  
Plastic Substrate

Versatile Water-Based Transfer of Large-Area Graphene Films onto Flexible Substrates

MRS Advances ◽  
2017 ◽  
Vol 2 (60) ◽  
pp. 3749-3754
Author(s):  
Maria Kim ◽  
Changfeng Li ◽  
Jannatul Susoma ◽  
Juha Riikonen ◽  
Harri Lipsanen
Keyword(s):  
Transfer Process ◽  
Flexible Electronics ◽  
Large Scale ◽  
Hot Water ◽  
Polyethylene Naphthalate ◽  
Large Area ◽  
High Quality ◽  
Flexible Polymer ◽  
Graphene Films ◽  
Water Based

ABSTRACTNext-generation electronic devices are expected to demonstrate greater utility, efficiency and durability. Meanwhile, plastics such as polyethylene terephthalate (PET), polyethylene naphthalate (PEN) and variety of poly(para-xylylene) polymers enable transformational advantages to device shape, flexibility, weight, transparency and recyclability. Exhibiting a combination of outstanding mechanical, electrical, optical, and chemical properties of graphene with the plastic substrates could propose ideal material for the future flexible electronics. Chemical vapor deposition (CVD) allows cost-effective fabrication of a high-quality large-area graphene films, however, the critical issue is clean and noninvasive transfer of the films onto a desired substrate. The water-based delamination of CVD grown graphene on Cu can be considered as a “green” transfer process utilizing only hot deionized water. We investigated a method requiring only two essential steps: coating of 6-inch monolayer CVD graphene with transparent and flexible polymer, and Cu delamination in hot water. Proposed method is inexpensive, reproducible, environmentally friendly, waste-free and suitable for large-scale, high quality graphene. The transfer process demonstrated films with enhanced charge carrier mobility, high uniformity, free of mechanical defects, and sheet resistance as low as ∼50 Ω/sq with 96.5 % transparency at 550 nm wavelength.

scholarly journals Antibody Immobilization in ZnO-Thin Film Transistors for Low-Cost Biosensors Applications

2021 ◽  
Vol 4 (1) ◽  
pp. 23
Author(s):  
Rafael Antonio Salinas Domínguez ◽  
Ovier Obregón Hinostroza ◽  
Abdú Orduña Díaz ◽  
Miguel Ángel Domínguez Jiménez
Keyword(s):  
Rural Communities ◽  
Flexible Electronics ◽  
Low Cost ◽  
Plastic Substrate ◽  
Antibody Immobilization ◽  
Zno Thin Film ◽  
Label Free ◽  
Bacterial Detection ◽  
E Coli ◽  
Trained Personnel

The antibody immobilization with low-cost materials and label-free methods are a challenge for the fabrication of biosensor devices. In this work, it was developed a strategy for antibody immobilization on ZnO TFTs over polyethylene terephthalate (PET) as a recyclable plastic substrate. Antibodies were biofunctionalized using a label-free strategy for E. coli detection. The use of a recyclable plastic substrate PET enables the compatibility with flexible electronics that could contribute for a low-cost biosensor useful in rural communities that do not have the necessary infrastructure and trained personnel for pathogenic bacterial detection in food or water.

All-Printed Transistors on Nano Cellulose Substrate

MRS Advances ◽  
2015 ◽  
Vol 1 (10) ◽  
pp. 645-650 ◽  
Author(s):  
Tomi Hassinen ◽  
Ari Alastalo ◽  
Kim Eiroma ◽  
Tiia-Maria Tenhunen ◽  
Vesa Kunnari ◽  
...  
Keyword(s):  
Thin Film ◽  
Inkjet Printing ◽  
Thin Film Transistors ◽  
Cellulose Nanofibers ◽  
Organic Thin Film Transistors ◽  
Plastic Substrate ◽  
Organic Thin Film ◽  
Gravure Printing ◽  
Printing Inks ◽  
Nano Cellulose

ABSTRACTWe report fully-printed top-gate-bottom-contact organic thin-film transistors using substrates prepared from cellulose nanofibers and commercially available printing inks to fabricate the devices. Gravure printing was used to coat the substrate with a polymer resist to decrease the surface roughness and close the surface. Transistor structures were fabricated using inkjet printing for conductors and gravure printing for the dielectric and semiconducting layers. The obtained transistor performance is compared to that of similar transistors on plastic substrate.

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