Thermally Stable Silver Nanowire–Polyimide Transparent Electrode Based on Atomic Layer Deposition of Zinc Oxide on Silver Nanowires

Chen, Dustin; Liang, Jiajie; Liu, Chao; Saldanha, Gillian; Zhao, Fangchao; Tong, Kwing; Liu, Jiang; Pei, Qibing

doi:10.1002/adfm.201503236

Cited by 174 publications

(147 citation statements)

References 40 publications

(58 reference statements)

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“…TCEs that transmit light and conduct electrical current simultaneously, mostly in the visible spectral range, are essential constituents for many optoelectronic devices, which have been extensively investigated in the past decade . The most widely used TCEs are made of indium tin oxide (ITO), which has several major drawbacks such as high cost, expensive manufacturing, and brittleness; brittleness especially constrains their use for flexible optoelectronic devices . TCEs based on nanostructured Ag, including thin Ag films, Ag grids, and AgNW networks, show excellent performances such as high optical transmittance, low sheet resistance, and excellent mechanical flexibility.…”

Section: Applications: Flexible and Stretchable Devicesmentioning

confidence: 99%

Printing Conductive Nanomaterials for Flexible and Stretchable Electronics: A Review of Materials, Processes, and Applications

Huang

Zhu

2019

Adv Materials Technologies

346

347

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PE has been explored for the manufacturing of flexible and stretchable electronic devices by printing functional inks containing soluble or dispersed materials, [14][15][16] which has enabled a wide variety of applications, such as transparent conductive films (TCFs), flexible energy harvesting and storage, thin film transistors (TFTs), electroluminescent devices, and wearable sensors. [17][18][19][20][21][22][23][24] The global PE market should reach $26.6 billion by 2022 from $14.0 billion in 2017 at a compound annual growth rate of 13.6%. [25] PE devices are manufactured by a variety of printing technologies. Typical printing technologies can be divided into two broad categories: noncontact patterning (or nozzle-based patterning) and contact-based patterning. The noncontact techniques include inkjet printing, electrohydrodynamic (EHD) printing, aerosol jet printing, and slot die coating, while screen printing, gravure printing, and flexographic printing are examples of the contact techniques. Each of these techniques has its own advantages and disadvantages, but they all rely on the principle of transferring inks to a substrate. Understanding the characteristics and recent advances of each printing technique is important to further the progress in PE. Moreover, to promote the lab-scale printing technologies to large-scale production process, roll-toroll (R2R) printing, which is one of the manufacturing methods to obtain large-area films with low cost and excellent durability, has drawn much attention from both industry and the research community.Nearly all of devices based on PE require conductive structures, interconnects, and contacts; therefore, highly conductive patterns, usually with high transparency and/or high resolution, fabricated by means of printing conductive materials are one of the most critical components in PE devices. Various printable conductive nanomaterials, such as metal nanomaterials (e.g., metal nanoparticles and metal nanowires) and carbon nanomaterials (e.g., graphene and carbon nanotubes (CNTs)), have been explored and used as major materials for PE. Applying printing technology to deposition of the conductive nanomaterials requires formulation of suitable inks. After depositing inks on different substrates, post-printing treatment, Printed electronics is attracting a great deal of attention in both research and commercialization as it enables fabrication of large-scale, low-cost electronic devices on a variety of substrates. Printed electronics plays a critical role infacilitating widespread flexible electronics and more recently stretchable electronics. Conductive nanomaterials, such as metal nanoparticles and nanowires, carbon nanotubes, and graphene, are promising building blocks for printed electronics. Nanomaterial-based printing technologies, formulation of printable inks, post-printing treatment, and integration of functional devices have progressed substantially in the recent years. This review summarizes basic principles and recent development of common printing technologie...

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Section: Applications: Flexible and Stretchable Devicesmentioning

confidence: 99%

Printing Conductive Nanomaterials for Flexible and Stretchable Electronics: A Review of Materials, Processes, and Applications

Huang

Zhu

2019

Adv Materials Technologies

346

347

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“…The rapid advancement in flexible optoelectronic devices, such as flexible touch panels, flexible displays, flexible solar cells, flexible light‐emitting diodes, and e‐skins, is bringing a tremendous revolution in a wide variety of fields from energy storage to social networking . For example, the flexible transparent displays are applied in the internet of things (IoTs) and augmented reality (AR), which can realize 3D, intuitive, and bilateral communication between user and customized information .…”

Section: Introductionmentioning

confidence: 99%

Facile and Efficient Welding of Silver Nanowires Based on UVA‐Induced Nanoscale Photothermal Process for Roll‐to‐Roll Manufacturing of High‐Performance Transparent Conducting Films

Liang

Zhao

et al. 2018

Adv Materials Inter

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The continuous, large-area solution-processed production of silver nanowire (AgNW) transparent conducting films with outstanding optoelectronic and mechanical performance remains a challenge. Here, efficient welding of AgNWs is demonstrated using ultraviolet A (UVA) with the specific wavelength range from ≈320 to ≈400 nm based on a nanoscale photothermal process. The AgNW welding shows a self-terminating and self-limiting nature, and sensitivity to diameter of AgNWs. Sheet resistance of the UVA-illuminated (UVAI) AgNW films rapidly drops within 2 min without loss of transmittance. For the UVAI AgNW (30 nm in diameter) film, decrement of sheet resistance approaches three orders of magnitude (≈10 5 -10 2 Ohm sq −1 ) with original transmittance being (97%) retained, which significantly enhances its optoelectronic properties. Enhanced mechanical flexibility, electromagnetic interference (EMI) shielding effectiveness (SE), and heating performance are obtained in the UVAI AgNW films. The SE and plateau temperature of the AgNW film increase to 25 dB and 50 °C after illumination, respectively. Smart window, transparent heater, and triboelectric nanogenerator based on the UVAI AgNW film demonstrate its versatile applications in optoelectronics. Finally, the welding method is easily integrated into a roll-to-roll process to manufacture AgNW film with a low sheet resistance of 25 Ohm sq −1 and a high transmittance of 90%, and excellent flexibility.

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“…Electromigration of silver is often a concern for the use of AgNWs in TCE. Measuring the sheet resistance of the AgNW TCE did show degradation at elevated temperature or high current density [11,12]. This shortcoming could be addressed by the use of an extra coating of ZnO deposited by atomic layer deposition (ALD).…”

Section: High Efficiency Light Emitting Devicesmentioning

confidence: 99%

12‐1: Invited Paper: Stretchable Transparent Electrodes Based on Silver Nanowires

Tong

Chen

Liang

et al. 2017

Symp Digest of Tech Papers

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Silver nanowire (AgNW) ‐polymer composite electrodes have been developed as a viable replacement for ITO/glass and ITO/PET, with added benefits of high mechanical flexibility. The sheet resistance can be adjusted in the range from 5‐50 Ω/sq with transmission ranging from 70 to 90%. The surface roughness is generally <2 nm, suitable for the fabrication of thin film electronic devices. The mechanical properties of the composite electrodes are almost entirely determined by the polymer substrate used and can be made flexible, stretchable, shape memorable, or even self‐healable. Malfunctions of resulting touch sensors due to crack formation could be mended by heating. Polymer OLEDs fabricated using a pair of stretchable AgNW/polyurethane electrodes could be stretched by >100% strains and repeatedly stretched by 30% strains. Integrated substrates designed specifically for OLED lighting could improve the light extraction efficiency of the OLEDs by up to 2.5X.

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Thermally Stable Silver Nanowire–Polyimide Transparent Electrode Based on Atomic Layer Deposition of Zinc Oxide on Silver Nanowires

Cited by 174 publications

References 40 publications

Printing Conductive Nanomaterials for Flexible and Stretchable Electronics: A Review of Materials, Processes, and Applications

Printing Conductive Nanomaterials for Flexible and Stretchable Electronics: A Review of Materials, Processes, and Applications

Facile and Efficient Welding of Silver Nanowires Based on UVA‐Induced Nanoscale Photothermal Process for Roll‐to‐Roll Manufacturing of High‐Performance Transparent Conducting Films

12‐1: Invited Paper: Stretchable Transparent Electrodes Based on Silver Nanowires

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