Direct-writing of circuit interconnects on cellulose paper using ultra-long, silver nanowires based conducting ink

Nair, Keerthi G.; Jayaseelan, Daniel Doni; Pullithadathil, Biji

doi:10.1039/c5ra10837c

Cited by 25 publications

(21 citation statements)

References 79 publications

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“…The SPRs shifted to 351 and 345 nm, respectively, after the acetic acid treatment can be explained by the PVP surfactant removal and thus the change of dielectric environment around silver nanowires. [ 50 ] For the XPS results, Ag 3d 5/2 and Ag 3d 3/2 peaks after the acetic acid treatment shifted toward higher binding energies of 368 and 374 eV, respectively, which is close to the pure silver peak according to the literature. [ 51 ] Meanwhile, Figure 2e,f shows atomic force microscope (AFM) phase images of the composite electrode, exhibiting a contrast between a PEDOT part and a PSS part.…”

Section: Resultssupporting

confidence: 64%

High Performance Flexible Transparent Electrode via One‐Step Multifunctional Treatment for Ag Nanonetwork Composites Semi‐Embedded in Low‐Temperature‐Processed Substrate for Highly Performed Organic Photovoltaics

Kim

Ouyang

et al. 2020

Advanced Energy Materials

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For ideal flexible transparent electrodes, the features of good electrical/ optical properties, low surface roughness, efficient charge transportation, robust electrical stability under simultaneously continuous operation bias, and mechanical bending are critical. Herein, a flexible transparent electrode fulfilling all these features is demonstrated by silver (Ag) nanonetwork composites semi-embedded in low-temperature-processed colorless polyimide (cPI), which shows a figure of merit over 1000 (5.4 Ω sq −1 sheet resistance and >94% diffused transmission at 550 nm wavelength), extremely smooth topography (<1 nm root-mean-square roughness and <3 nm peak-to-valley roughness), remarkable bending stability under continuous operation bias, and increased work function favoring the band alignment with typical charge transport layers for efficient devices. These characteristics are attributed to one-step multifunctional chemical treatment on the composite of Ag nanowires and an example polymer of poly(3,4-ethylenedioxythiophene):polysty rene sulfonate (PEDOT:PSS). The strategic one-step process simultaneously offers selective welding at nanowires cross junctions to form an Ag nanonetwork, and removing polyvinylpyrrolidone surfactant from Ag nanowires and PSS from PEDOT:PSS. The flexible electrode also favors the residue-free cPI transfer for applications. Flexible organic solar cells (OSCs) made from the electrode achieve an averaged power conversion efficiency of 14.46% (best, 15.12%), which is the best flexible OSCs reported so far.

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Section: Resultssupporting

confidence: 64%

High Performance Flexible Transparent Electrode via One‐Step Multifunctional Treatment for Ag Nanonetwork Composites Semi‐Embedded in Low‐Temperature‐Processed Substrate for Highly Performed Organic Photovoltaics

Kim

Ouyang

et al. 2020

Advanced Energy Materials

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“…[1][2][3][4][5][6][7][8][9][10][11][12] Especially, pen-on-paper type approaches are very interesting since they enable generation of diverse patterned images on solid substrates with drawing fl exibility in inexpensive manner. Efforts aimed at developing this technology have utilized the deposition of various organic, [1][2][3][4] inorganic, [5][6][7][8] and carbon nanotube (CNT)/graphene [9][10][11][12] substrates. Functional materials deposited on solid substrates have been used as conductive electrodes, transistors, and sensors.…”

Section: Introductionmentioning

confidence: 99%

Mechanically Drawable Thermochromic and Mechanothermochromic Polydiacetylene Sensors

Chae

Lee

Kim

2016

Adv Funct Materials

119

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Recently, the development of directly writable techniques for depositing functional materials on solid substrates has received great attention. These pen-on-paper approaches enable generation of diverse patterned images on solid substrates in a fl exible, easy handling, and inexpensive manner. Herein, the development of a directly writable conjugated polymer is described. Mechanically, drawable colorimetric polydiacetylene (PDA)-wax composites are readily fabricated by using a simple mixing-molding method. Images are mechanically drawn on a paper substrate using the PDA-wax composites, display thermochromism, and mechanothermochromism. The thermochromic transition temperature is dependent on the melting point of the wax and, as a result, can be precisely controlled by the type of wax used. Optical microscopic analysis shows that formation of the DA-wax composite involves movement of wax molecules into a single diacetylene (DA) crystal. This process results in growth of the crystal. Importantly, the PDA crystal, obtained after UV light irradiation, undergoes signifi cant shrinkage upon heating because of the release of monomers and the embedded wax molecules from the crystal. The release of these molecules creates void in the PDA supramolecules, allowing the PDA chains to undergo C-C bond rotation and hence the blue-to-red color transition.

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“…Absorption peaks around 350 nm and 370-380 nm, which were induced by surface plasmon oscillation in Ag NWs, were clearly observed. 48 The absorption peaks suggest that our synthesized Ag NWs functioned well. Although the optical transmittance of the Ag NWembedded SF at 550 nm was lower than that of the reference sample, the sheet resistance of the Ag NW-embedded SF substrate had a lower value, as summarized in Table 1.…”

Section: Resultsmentioning

confidence: 80%

Highly transparent and flexible Ag nanowire-embedded silk fibroin electrodes for biocompatible flexible and transparent heater

et al. 2020

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Direct-writing of circuit interconnects on cellulose paper using ultra-long, silver nanowires based conducting ink

Abstract: A highly stable conducting nanoink based on silver ultra-long nanowires (Ag ULNWs) was developed by a self-seeding polyol method with controlled doping of silver acetate for flexible electronics applications.

Cited by 25 publications

References 79 publications

High Performance Flexible Transparent Electrode via One‐Step Multifunctional Treatment for Ag Nanonetwork Composites Semi‐Embedded in Low‐Temperature‐Processed Substrate for Highly Performed Organic Photovoltaics

High Performance Flexible Transparent Electrode via One‐Step Multifunctional Treatment for Ag Nanonetwork Composites Semi‐Embedded in Low‐Temperature‐Processed Substrate for Highly Performed Organic Photovoltaics

Mechanically Drawable Thermochromic and Mechanothermochromic Polydiacetylene Sensors

Highly transparent and flexible Ag nanowire-embedded silk fibroin electrodes for biocompatible flexible and transparent heater

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