Inkjet-printed polymer-based electrochromic and electrofluorochromic dual-mode displays

Pietsch, Manuel; Rödlmeier, Tobias; Schlisske, Stefan; Zimmermann, Johannes; Romero‐Nieto, Carlos; Hernandez‐Sosa, Gerardo

doi:10.1039/c9tc01344j

Cited by 52 publications

(41 citation statements)

References 33 publications

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“…Displays are an integral element to many electronic devices as they provide a way to communicate the necessary information to the user. The utilization of electrochromic (EC) devices has demonstrated to be a feasible approach to fabricate low-cost displays 33,34 exhibiting low operating voltages. 35,36 Furthermore, their simple device architecture 37,38 have enabled easy access to their fabrication by printing techniques.…”

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confidence: 99%

Biodegradable inkjet-printed electrochromic display for sustainable short-lifecycle electronics

et al. 2020

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Biodegradable inkjet-printed electrochromic display for sustainable short-lifecycle electronics

et al. 2020

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“…In the early stage, much attention was paid only to the color changing function of the inkjet‐printed electrochromic film. The printed materials range from polymers, [ 95–97 ] metal oxides, [ 98–103 ] and metal oxides/polymer compounds. [ 104–105 ] An all inkjet‐printed solid‐state electrochromic device based on NiO and WO 3 complementary electrodes was also reported in 2016, [ 106 ] which delivered a relatively large optical modulation of 75.4% at 633 nm and a color efficiency of 131.9 cm 2 C −1 .…”

Section: Printing Technologies For Energy Storage Applicationsmentioning

confidence: 99%

Inkjet and Extrusion Printing for Electrochemical Energy Storage: A Minireview

Yang

Fan

2020

Adv Materials Technologies

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make printing technology an interminably promising approach for functional materials assembly and device fabrication, including but not limited to displays, [4-5] transistors, [6-7] energy storage, [8-10] and biological devices. [11-12] Additive manufacturing builds 3D objects via layer-by-layer adding of materials directly from computer designed models, thus this technology is also known as 3D printing. [13] Extrusion-based 3D printing is a process that involves the pressurized ink delivery through a designed nozzle. It is becoming a new type of manufacturing technology that can be used to build 3D structures from micro to macrometer scale. [14] This makes extrusion printing highly useful in energy device, as it provides opportunity to accurately control the spatial geometry of electrode configurations for enhanced energy densities. [15] Indeed inkjet and extrusion printing are currently becoming standard fabrication tools in many fields, [16] but in this progress report, we will focus on their application in electrochemical energy storage. The coarse printing resolution (around 30 µm) sets a restriction that makes it obviously not suitable for micro electronic devices, but it is sufficient for planar energy devices, e.g., microbatteries, microsupercapacitors, and electrochromics. Generally, the printing resolution is determined by jetted ink droplet rheology property, substrate wettability, and printer quality. Even with resolution limitations, inkjet and extrusion printing provide a convenient and low-cost manufacture approach, and these technologies will continue to advance with the assistance of mature ink formulation and high-resolution printer improvement. In the following, a brief overview of inkjet and extrusion printing technologies will be presented, from apparatus to ink formulation. We will discuss the strategies for successful uniform high-resolution printing. For the application part, our focus will be put on advanced energy storage devices, ranging from batteries and supercapacitors to energy storage electrochromics. Finally, conclusions and outlook to future trends of printed energy storage devices are provided at the end. 2. Inkjet and Extrusion Printing Technologies 2.1. Inkjet Principles There are two droplet generation mechanisms by inkjet printers, which are generically known as continuous inkjet Inkjet and extrusion printing are widely employed technologies in the field of printed electronics. They provide opportunity of manufacturing diverse electronic devices on various types of substrates by employing digital layouts under ambient conditions. In this short review, fundamentals about inkjet mechanisms and ink fluidic characteristics are presented. The interaction between individual droplets and that of droplets with substrates, which are pivotal to the printing resolution and uniformity, are analyzed. In addition, some issues on droplet-based extrusion 3D printing are discussed as an extension of conventional inkjet printing. The recent progress in application of inkjet and extrusion prin...

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“…They are considered low cost display devices, and to consume little power, since the change from one state to another requires minimal energy in a matter of seconds. For printed ECDs conductive polymers are typically used as the electrochromic material [16][17][18][19][20]. The electrolyte is often an ultra violet (UV) curable polymer material.…”

Section: Introductionmentioning

confidence: 99%

Sustainable roll-to-roll manufactured multi-layer smart label

Hakola

Jansson

Futsch

et al. 2021

Int J Adv Manuf Technol

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Sustainability in electronics has a growing importance due to, e.g. increasing electronic waste, and global and European sustainability goals. Printing technologies and use of paper as a substrate enable manufacturing of sustainable electronic devices for emerging applications, such as the multi-layer anti-counterfeit label presented in this paper. This device consisted of electrochromic display (ECD) element, NFC (near field communication) tag and circuitry, all fully roll-to-roll (R2R) printed and assembled on plastic-free paper substrate, thus leading to a sustainable and recyclable device. Our setup uses harvested energy from HF field of a smartphone or reader, to switch an electrochromic display after rectification to prove authenticity of a product. Our novelty is in upscaling the manufacturing process to be fully printable and R2R processable in high-throughput conditions simulating industrial environment, i.e. in pilot scale. The printing workflow consisted of 11 R2R printed layers, all done in sufficient quality and registration. The printed antennas showed sheet resistance values of 32.9±1.9 mΩ/sq. The final yield was almost 1500 fully printed devices, and in R2R assembly over 1400 labels were integrated with 96.5% yield. All the assembled tags were readable with mobile phone NFC reader. The optical contrast (ΔE*) measured for the ECDs was over 15 for all the printed displays, a progressive switching time with a colour change visible in less than 5 s. The smart tag is ITO-free, plastic-free, fully printed in R2R and has a good stability over 50 cycles and reversible colour change from light to dark blue.

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Inkjet-printed polymer-based electrochromic and electrofluorochromic dual-mode displays

Abstract: Investigation of the electro(fluoro)chromic properties of PIF8-TAA and its application in inkjet-printed dual-mode displays.

Cited by 52 publications

References 33 publications

Biodegradable inkjet-printed electrochromic display for sustainable short-lifecycle electronics

Biodegradable inkjet-printed electrochromic display for sustainable short-lifecycle electronics

Inkjet and Extrusion Printing for Electrochemical Energy Storage: A Minireview

Sustainable roll-to-roll manufactured multi-layer smart label

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