Laser-induced forward transfer of silver nanoparticle ink using burst technique

Wang, Xingsheng; Xu, Bin; Huang, Yuke; Zhang, Jian; Liu, Qi

doi:10.1007/s00339-019-3148-x

Cited by 11 publications

(6 citation statements)

References 35 publications

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“…Any defect, like a single discontinuity or any protuberance, compromises the performance of the full device. Accordingly, conductive inks are mainly involved in most of the LIFT studies dealing with the printing of continuous patterns [35,65,66,[71][72][73][74][75][76][77][78]. Nevertheless, studies on continuous line and homogeneous area printing have been also conducted with water-based suspensions in view of their interest in biosensors fabrication [79,80].…”

Section: Continuous Patternsmentioning

confidence: 99%

“…Most of the attempts for producing conductive patterns use Ag nanoparticle inks. The ones with low solid content and low viscosity (few mPa•s) similar to those used for inkjet printers are easily printable through the jet ejection mechanism and lead to lines with the best resolution [65][66][67][72][73][74][75][76]116]. However, most of the commercial conductive circuits are still printed by screen-printing [115], because the high solid content of the ink results in sheet-resistance values two order of magnitude below those obtained with inkjet inks.…”

Section: Printed Electronicsmentioning

confidence: 99%

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Laser-Induced Forward Transfer: A Method for Printing Functional Inks

Fernández-Pradas

Serra

2020

Crystals

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Laser-induced forward transfer (LIFT) is a direct-writing technique based in the action of a laser to print a small fraction of material from a thin donor layer onto a receiving substrate. Solid donor films have been used since its origins, but the same principle of operation works for ink liquid films, too. LIFT is a nozzle-free printing technique that has almost no restrictions in the particle size and the viscosity of the ink to be printed. Thus, LIFT is a versatile technique capable for printing any functional material with which an ink can be formulated. Although its principle of operation is valid for solid and liquid layers, in this review we put the focus in the LIFT works performed with inks or liquid suspensions. The main elements of a LIFT experimental setup are described before explaining the mechanisms of ink ejection. Then, the printing outcomes are related with the ejection mechanisms and the parameters that control their characteristics. Finally, the main achievements of the technique for printing biomolecules, cells, and materials for printed electronic applications are presented.

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Section: Continuous Patternsmentioning

confidence: 99%

Section: Printed Electronicsmentioning

confidence: 99%

Laser-Induced Forward Transfer: A Method for Printing Functional Inks

Fernández-Pradas

Serra

2020

Crystals

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“…Thermal accumulation leads to a melting layer of material [26], which is used to smooth out typical surface microstructures, resulting in lower surface roughness on the machined surface [27,28]. However, suppose the laser parameters are not appropriately selected for the burst-mode, the processing results will be signi cantly deviated, while the thermal accumulation between the burst sub-pulses is not effectively controlled, and the processing results will be thermally affected [29,30].…”

Section: Introductionmentioning

confidence: 99%

A composite strategy for high-quality and high-efficiency milling of alumina ceramic via femtosecond laser burst-mode

Fang

Wang

2023

Int J Adv Manuf Technol

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Industrial alumina ceramics require high surface accuracy when assembled to critical components of devices, for which high-quality milling has become an integral process. To mill the alumina ceramics for high-quality and high-e ciency, this paper used a composite strategy via the femtosecond laser burstmode. Milling the same structure, the roughness of the bottom surface of the grooves was reduced by up to 10.69% compared to the optimal processing results in a single process, and processing e ciency was maximized with a 49.91% increase. Different laser parameters such as energy uence, spot overlap ratio, scanning spacing were investigated for the processing quality and e ciency of alumina ceramics in the single-pulse mode. The effect of the burst-mode on the optimization of the milling results was analyzed and discussed.To mill the alumina ceramics with high-e ciency, the composite processing strategy was used. Meantime, the paper proposed a high-quality and high-e ciency composite milling strategy via the femtosecond laser burst-mode, which provided a reference for processing other materials.

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“…Details of the LIFT technology can be found in review papers. , Laser printing has been successfully applied in organic electronics and biosensors and demonstrated to be a vital digital printing technique capable of transferring and printing a wide range of materials and systems such as metal nanowires, , metal nanoparticles, conducting polymers, and light-emitting polymer diode pixels . Optimization studies of laser printing and laser sintering of silver nanoparticle (Ag-np) inks on glass − and flexible substrates − were performed in terms of laser parameters, sacrificial layer properties, and rheological properties of the inks. LPKF provides LIFT integrated systems in the market and shows the potentials of the digital laser transfer printing technology for a range of applications.…”

Section: Introductionmentioning

confidence: 99%

Indium Tin Oxide-Free Inverted Organic Photovoltaics Using Laser-Induced Forward Transfer Silver Nanoparticle Embedded Metal Grids

Pozov

Andritsos

Theodorakos

et al. 2022

ACS Appl. Electron. Mater.

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Laser-induced forward transfer (LIFT) printing has emerged as a valid digital printing technique capable of transferring and printing a wide range of electronic materials. In this paper, we present for the first time LIFT printing as a method to fabricate silver (Ag) nanoparticle (np) grids for the development of indium tin oxide (ITO)-free inverted PM6:Y6 nonfullerene acceptor organic photovoltaics (OPVs). Limitations of the direct use of LIFT-printed Ag np grids in inverted ITO-free OPVs are addressed through a Ag grid embedding process. The embedded laser-printed Ag grid lines have high electrical conductivity, while the Ag metal grid transparency is varied by altering the number of Ag grid lines within the inverted OPVs’ ITO-free bottom electrode. Following the presented Ag-grid embedding (EMP) process, metal-grid design optimizations, and device engineering methods incorporating an EMB-nine-line Ag np grid/PH500/AI4083/ZnO bottom electrode, we have demonstrated inverted ITO-free OPVs incorporating laser-printed Ag grids with 11.0% power conversion efficiency.

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Laser-induced forward transfer of silver nanoparticle ink using burst technique

Cited by 11 publications

References 35 publications

Laser-Induced Forward Transfer: A Method for Printing Functional Inks

Laser-Induced Forward Transfer: A Method for Printing Functional Inks

A composite strategy for high-quality and high-efficiency milling of alumina ceramic via femtosecond laser burst-mode

Indium Tin Oxide-Free Inverted Organic Photovoltaics Using Laser-Induced Forward Transfer Silver Nanoparticle Embedded Metal Grids

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