Inkjet printed silver nanowire percolation networks as electrodes for highly efficient semitransparent organic solar cells

Maisch, Philipp; Tam, Kai Cheong; Lucera, Luca; Egelhaaf, Hans‐Joachim; Scheiber, Horst; Maier, Eugen; Brabec, Christoph J.

doi:10.1016/j.orgel.2016.08.006

Cited by 99 publications

(59 citation statements)

References 22 publications

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“…Sankaran et al 39 printed the active layer (P3HT:IC [60] BA), the electron transport layers (ZnO) and holes (PEDOT:PSS), resulting in a cell with PCE of 2.9%. Maisch et al 40 printed the cathode (AgNWs) and anode (AgNWs) by means of inkjet printing obtaining OPV with PCE of 4.3% for an area of 1 cm 2 . Ganesan et al 40 printed the active layer (P3HT:ICBA) and the electron transport layer (ZnO).…”

Section: Inkjet Printingmentioning

confidence: 99%

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Overview of printing and coating techniques in the production of organic photovoltaic cells

et al. 2020

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The organic photovoltaic cell (OPV) is composed of multiple layers, and some printing and coating techniques are more suitable than others for a certain type of layer. This paper aims to characterize and compare the most relevant coating and printing techniques that can be used in the manufacture of OPVs. Extensive bibliographic research was carried out on articles published from 1998 to 2020 to identify various aspects OPV, such as the principle of operation, advantages, disadvantages, and which layers can be printed by each technique. The results show that the most used method for the processing of OPVs is spin-coating. In the studies found, rotation was used to coat the active layer, the electron transport layer, and the hole transport layer. The techniques of pad printing, casting, and meniscus are considered useful in the processing of the active layer. Regarding the deposition of the active layer, hole transport layer, electron transport layer, and anode, the rotogravure, crack matrix, spraying, and brushing techniques were satisfactory. Flexography has been used to form the active layer, electron transport layer, and anode. Screen printing, inkjet printing, and knife/blade coating were used in the processing of the active layer, hole transport layer, electron transport layer, anode, and cathode. All the double slot die coating, curtain coating, and slide coating allows simultaneous processing of multiple layers. Techniques compatible with roll-to-roll processing are more likely to be at the center of OPVs in the future, thus making solar photovoltaic technology more competitive.

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Section: Inkjet Printingmentioning

confidence: 99%

“…Maisch et al 40 printed the cathode (AgNWs) and anode (AgNWs) by means of inkjet printing obtaining OPV with PCE of 4.3% for an area of 1 cm 2 . Ganesan et al 40 printed the active layer (P3HT:ICBA) and the electron transport layer (ZnO).…”

Section: Inkjet Printingmentioning

confidence: 99%

Overview of printing and coating techniques in the production of organic photovoltaic cells

et al. 2020

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“…Figure 4d shows a schematic and a photo image of the cell with a PCE of 4% and a maximum transparency of 66% at 550 nm, as shown in Figure 4e,f. Inkjet printing technique was employed to fabricate Ag NWs electrodes from Ag NWs solutions [44]. The printed Ag NWs mesh showed similar uniformity, conductivity, and transmittance with Ag NW films prepared by conventional methods such as slot die or spray coating.…”

Section: Metal Nanowiresmentioning

confidence: 99%

Recent Studies of Semitransparent Solar Cells

Shin

Choi

2018

Coatings

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It is necessary to develop semitransparent photovoltaic cell for increasing the energy density from sunlight, useful for harvesting solar energy through the windows and roofs of buildings and vehicles. Current semitransparent photovoltaics are mostly based on Si, but it is difficult to adjust the color transmitted through Si cells intrinsically for enhancing the visual comfort for human. Recent intensive studies on translucent polymer-and perovskite-based photovoltaic cells offer considerable opportunities to escape from Si-oriented photovoltaics because their electrical and optical properties can be easily controlled by adjusting the material composition. Here, we review recent progress in materials fabrication, design of cell structure, and device engineering/characterization for high-performance/semitransparent organic and perovskite solar cells, and discuss major problems to overcome for commercialization of these solar cells.

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“…However, mask use typically requires complex and high-cost processes that yield limited patterning area, as well as low patterning efficiency. By contrast, direct printing technologies offers roll-to-roll compatibility [44][45][46][47] by which large-area, arbitrary conductive patterns have been achieved in cost-effective and time-effective way. [48][49][50] However, the printing-based techniques only work for high-concentration inks or short Ag NWs (i.e., NWs with aspect ratios of less than 50).…”

Section: Introductionmentioning

confidence: 99%

Coat-and-print patterning of silver nanowires for flexible and transparent electronics

Meredov

Shamim

2019

npj Flex Electron

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Silver nanowires (Ag NWs) possess excellent optoelectronic properties, which have led to many technology-focused applications of transparent and flexible electronics. Many of these applications require patterning of Ag NWs into desired shapes, for which maskbased and printing-based techniques have been developed and widely used. However, there are still several limitations associated to these techniques. These limitations, such as complicated patterning procedures, limited patterning area, and compromised optical transparency, hamper the efficient fabrication of high-performance Ag NW patterns. Here, we propose a coat-and-print approach for effectively patterning Ag NWs. We printed a polymer-based ink on the spin-coated Ag NW films. The ink acts as a protective layer to help remove excess Ag NWs from the substrate and then dissolves itself into an organic solvent. In this way, we can take advantage of both coating-based techniques (lead to Ag NWs with high transparency) and printing-based techniques (efficiently pattern diverse shapes). The resultant Ag NW patterns exhibit comparable conductivity (sheet resistance: 7.1 to 30 Ohm/ sq) and transparency (transmittance: 84 to 95% at λ = 550 nm) to those made by conventional coating methods. In addition, the patterned Ag NWs exhibit robust mechanical stability and reliability, surviving extensive bending and peeling tests. Due to higher conductivity, efficient patterning ability and inherent transparency, this material system and application method is highly suitable for transparent and flexible electronics. As a proof of concept, this research demonstrates a wide-band antenna, operating in the mm-wave range that includes the 5G communication band. The proposed antenna exhibits a wide bandwidth of 26 GHz (from 17.9 GHz to 44 GHz), robust return loss under 1000 cyclic bending (bending radius of 3.5 mm), and decent transparency over the entire visible wavelength (86.8% transmittance at λ = 550 nm). This work's promising results indicate that this method can be adapted for roll-to-roll manufacturing to efficiently produce patterned and optically transparent devices.

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Inkjet printed silver nanowire percolation networks as electrodes for highly efficient semitransparent organic solar cells

Cited by 99 publications

References 22 publications

Overview of printing and coating techniques in the production of organic photovoltaic cells

Overview of printing and coating techniques in the production of organic photovoltaic cells

Recent Studies of Semitransparent Solar Cells

Coat-and-print patterning of silver nanowires for flexible and transparent electronics

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