Printed Copper Nanoparticle Metal Grids for Cost‐Effective ITO‐Free Solution Processed Solar Cells

Georgiou, Efthymios; Choulis, Stelios A.; Hermerschmidt, Felix; Pozov, Sergey M.; Burgués‐Ceballos, Ignasi; Christodoulou, Constantinos; Schider, Gerburg; Kreissl, Stefanie; Ward, Richard; List‐Kratochvil, Emil J. W.; Boeffel, Christine

doi:10.1002/solr.201700192

Cited by 33 publications

(43 citation statements)

References 38 publications

(59 reference statements)

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“…The photocurrent maps (c,d,e) confirm the most homogenous current distribution using the six‐line grid architecture (d), when compared to the four‐line and eight‐line grid (c,e). Adapted with permission . Copyright 2018, Wiley VCH.…”

Section: Transferring From Ag To Cu Metal Nanoparticle Inkscontrasting

confidence: 98%

“…These solutions can then be deposited using standard lab‐based techniques such as spin coating, but also using sophisticated, technology‐relevant processing systems such as inkjet‐printing or roll‐coating . Organic field effect transistors (OFETs), highly efficient organic photovoltaics (OPVs) and high‐performance OLEDs, have been fabricated using inkjet printing, thereby underlining the versatility of this printing method …”

Section: Introduction—solution Processed Organic Electronicssupporting

confidence: 83%

“…Georgiou et al presented the first optoelectronic devices based on inkjet‐printed Cu grids as a replacement for ITO . The solution‐processed Cu nanoparticles produced high quality Cu grids with good adhesion to the substrate and the required conductivity.…”

Section: Transferring From Ag To Cu Metal Nanoparticle Inksmentioning

confidence: 83%

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Implementing Inkjet‐Printed Transparent Conductive Electrodes in Solution‐Processed Organic Electronics

Hermerschmidt

Choulis

List‐Kratochvil

2019

Adv Materials Technologies

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Through the use of solution‐based materials, the field of printed organic electronics has not only made new devices accessible, but also allows the process of manufacture to move toward a high throughput industrial scale. However, while solution‐based active layer materials in these systems have been studied quite intensely, the printed electrodes and specifically the transparent conductive anode have only relatively recently been investigated. In this progress report, the use of metal nanoparticles within printed organic electronic devices is highlighted, specifically their use as replacement of the commonly used indium tin oxide transparent conductive electrode within organic photovoltaics (OPVs) and organic light emitting diodes (OLEDs). A cross fertilization between the applications is expected since an OPV device is essentially an inversely operated OLED. This report aims to highlight the use of inkjet‐printed nanoparticles as cost‐effective electrodes for printed optoelectronic applications and discusses methods to improve the conductive and interfacial properties. Finally, in an outlook, the use of these types of metal nanoparticle inks to manipulate light management properties, such as outcoupling, in the device is investigated.

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Section: Transferring From Ag To Cu Metal Nanoparticle Inkscontrasting

confidence: 98%

Section: Introduction—solution Processed Organic Electronicssupporting

confidence: 83%

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Implementing Inkjet‐Printed Transparent Conductive Electrodes in Solution‐Processed Organic Electronics

Hermerschmidt

Choulis

List‐Kratochvil

2019

Adv Materials Technologies

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“…The flexible nature of Cu-based transparent conductors additionally makes possible the flexible or stretchable solar cells, which are highly desired in future electronics applications [159,160]. Till now, Cu-based transparent conductors have been successfully used in polymer solar cells [15,[161][162][163][164][165], perovskite solar cells [166], and semiconductor-liquid junction solar cells [167].…”

Section: Solar Cellsmentioning

confidence: 99%

Copper nanomaterials and assemblies for soft electronics

Yang

Zhu

2019

Sci. China Mater.

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Soft electronics that can simultaneously offer electronic functions and the capability to be deformed into arbitrary shapes are becoming increasingly important for wearable and bio-implanted applications. The past decade has witnessed tremendous progress in this field with a myriad of achievements in the preparation of soft electronic conductors, semiconductors, and dielectrics. Among these materials, copper-based soft electronic materials have attracted considerable attention for their use in flexible or stretchable electrodes or interconnecting circuits due to their low cost and abundance with excellent optical, electrical and mechanical properties. In this review, we summarize the recent progress on these materials with the detailed discussions of the synthesis of copper nanomaterials, approaches for their assemblies, strategies to resist the ambient corrosion, and their applications in various fields including flexible electrodes, sensors, and other soft devices. We conclude our discussions with perspectives on the remaining challenges to make copper soft conductors available for more widespread applications.

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“…[1][2][3][4][5] Inkjet printing is an additive, direct [1][2][3][4][5] Inkjet printing is an additive, direct…”

mentioning

confidence: 99%

Truly Low Temperature Sintering of Printed Copper Ink Using Formic Acid

Hermerschmidt

Burmeister

Ligorio

et al. 2018

Adv Materials Technologies

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write technique that requires no masks or lithographic prepatterning of substrates and is compatible with printing manufacturing. Its drop-on-demand (DoD) technology allows the ink droplets to be deposited exactly where required on the substrate, [6] therefore minimizing material loss. Moreover, inkjet printing can be upscaled and transferred to a roll-toroll (R2R) process, [7,8] which can yield a productivity of up to 6 m 2 min −1 , while also producing small feature sizes down to 10 µm and varying shapes. [9][10][11][12] This paves the way to fully solution-processed devices, with all layers including the electrodes being deposited from an ink.The most often used ink formulations can roughly be divided into two categories: inks made from capped metal nanoparticles and metal-organic decomposition inks. [13] To prevent nozzle clogging and comply with printhead restrictions, the inks often contain low metal loading and stabilizers. A treatmentThe fabrication and feasibility of inkjet-printed electrodes for devices such as organic field-effect transistors (OFETs), highly efficient organic photovoltaics (OPVs), and high performance organic light-emitting diodes (OLEDs) underline the versatility of this printing method. [1][2][3][4][5] Inkjet printing is an additive, direct

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Printed Copper Nanoparticle Metal Grids for Cost‐Effective ITO‐Free Solution Processed Solar Cells

Cited by 33 publications

References 38 publications

Implementing Inkjet‐Printed Transparent Conductive Electrodes in Solution‐Processed Organic Electronics

Implementing Inkjet‐Printed Transparent Conductive Electrodes in Solution‐Processed Organic Electronics

Copper nanomaterials and assemblies for soft electronics

Truly Low Temperature Sintering of Printed Copper Ink Using Formic Acid

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