Conductive silver patterns via ethylene glycol vapor reduction of ink-jet printed silver nitrate tracks on a polyimide substrate

Wu, Jung-Tang; Hsu, Steve Lien‐Chung; Tsai, Ming‐Hsiu; Hwang, Weng-Sing

doi:10.1016/j.tsf.2009.04.049

Cited by 53 publications

(46 citation statements)

References 18 publications

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“…Usually, heating to a high temperature (300 ºC and above) is required to burn-out all organic contaminants, and very rarely the conductive patterns are obtained at temperatures as low as 150 ºC [12,13]. Sintering of MCs can be achieved by flameassisted chemical vapor deposition (FACVD) [32] or by coating the substrate at room temperature followed by high temperature annealing (sometimes in an atmosphere of a reducing agent) [33].…”

Section: Thermal Sinteringmentioning

confidence: 99%

Metal-based Inkjet Inks for Printed Electronics

Kamyshny¹,

Steinke²,

Magdassi

2011

TOAPJ

370

242

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Abstract:A review on applications of metal-based inkjet inks for printed electronics with a particular focus on inks containing metal nanoparticles, complexes and metallo-organic compounds. The review describes the preparation of such inks and obtaining conductive patterns by using various sintering methods: thermal, photonic, microwave, plasma, electrical, and chemically triggered. Various applications of metal-based inkjet inks (metallization of solar cell, RFID antennas, OLEDs, thin film transistors, electroluminescence devices) are reviewed.

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Section: Thermal Sinteringmentioning

confidence: 99%

Metal-based Inkjet Inks for Printed Electronics

Kamyshny¹,

Steinke²,

Magdassi

2011

TOAPJ

370

242

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“…Wu et al [55] adopted ethylene glycol vapor reduction approach to fabricate conductive silver tracks directly from silver nitrate solution by inkjet printing. The silver nitrate precursor can be reduced in ethylene glycol vapor to form silver at low temperatures.…”

Section: Inorganic Materials For Inkjet Printingmentioning

confidence: 99%

Inkjet printing for flexible electronics: Materials, processes and equipments

et al. 2010

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Inkjet printing, known as digital writing technique, can directly deposit functional materials to form pattern onto substrate. This paper provides an overview of inkjet printing technologies for flexible electronics. Firstly, we highlight materials challenges in implementing flexible devices into practical application, especially for inkjet printing process. Then the micro/nano-patterning technologies of inkjet printing are discussed, including conventional inkjet printing techniques and electrohydrodynamic printing techniques. Thirdly, the related equipments on inkjet printing are shown. Finally, challenges for its future development are also discussed. The main purpose of the work is to condense the basic knowledge and highlight the challenges associated with the burgeoning and exciting field of inkjet printing for flexible electronics.flexible electronics, nanomanufacturing, organic thin film transistor, micro/nano-patterning, inkjet printing, electrohydynamics, roll-to-roll Citation: Overview of flexible electronics technologyFlexible electronics, also known as printable/organic electronics, represent a technology for building electronic circuits by depositing electronic devices onto flexible substrates. Realization of flexible electronics with performance equal to conventional microelectronics built on brittle semiconductor wafers, but in high mobilities, optical transparency, light-weight, stretchable/bendable formats and easy to print rapidly over large areas would enable many new applications [1-4] not satisfied by a traditional rigid electronics. The applications vary from medicine and biology to energy technology and space science [1,2], such as flexible display [4,5], thin film solar cell [6,7], large area sensors and actuators [8,9], shown in Figure 1. These applications are based on thin film transistors (TFTs) which have strong materials and processes contents. Flexible electronics *Corresponding authors (have open boundaries that move with its development and applications and is a highly interdisciplinary field. As a result, there are considerable opportunities for innovation and basic scientific research into new types of electronic materials, processes and equipments.The flexibility, a critical issue in flexible electronics, is one of the most important differences from traditional microelectronics. Polymer organics and inorganic materials are the two kind of materials adopted in flexible electronics. The polymer organics are generally believed to be well suited for these applications and naturally compatible with polymeric substrates. However, the electrical properties is not ideal when devices are fabricated with polymer organics. This leads to interest in the possibility of inorganic based flexible electronics [10]. It is a challenge to design a bendable and stretchable electronics based on inorganic materials due to their small fracture strain. The most basic realization is thin films of the inorganics are adopted as semiconductors, conductors and/or insulators on substrates to mini-

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“…The critical issue that needs to be addressed when inkjet printing is applied to these applications is ink development. Previously, conductive inks based on silver [6][7][8][9][10][11][12][13][14][15][16][17][18], copper [19], carbon [20], and conductive polymers [21] have been demonstrated, among which, silverbased ink has received great interests because of excellent conductivity and anti-oxidation properties of bulk silver. To date, two kinds of silver inks have been adopted for inkjet printing conductive patterns on substrates.…”

Section: Introductionmentioning

confidence: 99%

“…The alternative approach for the preparation of silver conductive structure uses true solutions. This so-called particle free approach consists in printing of a metal salt solution on the substrate followed by providing reducing agent or, in another variation, printing of a metal-organic complexes in solution as decomposition inks (MOD inks) [12][13][14][15][16][17][18]. Since thermal decomposition of metal-organic complexes generally can be achieved at a low temperature, inkjet printing technology with MOD inks has been proved being compatible with a variety of commercially useful and temperature-sensitive substrates, e.g., plastics, for the preparation of conductive silver patterns.…”

Section: Introductionmentioning

confidence: 99%