Effect of temperature on the oxidation of Cu nanowires and development of an easy to produce, oxidation-resistant transparent conducting electrode using a PEDOT:PSS coating

Mardiansyah, Dedi; Badloe, Trevon; Triyana, Kuwat; Mehmood, Muhammad Qasim; Raeis‐Hosseini, Niloufar; Lee, Yoonkyung; Sabarman, Harsojo; Kim, Kyunghoon; Rho, Junsuk

doi:10.1038/s41598-018-28744-9

Cited by 82 publications

(58 citation statements)

References 30 publications

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“…A nanowire-based transparent conductive film has the advantages of excellent photovoltaic performance, low preparation cost, and it could be used to prepare flexible devices. CuNWs are being used to prepare flexible transparent conducting substrates because of their low cost and ease of fabrication on a large area 10–12 .…”

Section: Introductionmentioning

confidence: 99%

A Novel Preparation of Nano-Copper Chalcogenide (Cu2S)-based Flexible Counter Electrode

Jin

Liu

et al. 2019

Sci Rep

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Copper nanowires (CuNWs) are used to prepare flexible, transparent conducting substrates due to their low cost and ease of fabrication on a large area. A CuNW/polymer composite substrate was prepared and vulcanized to create a novel flexible nano-Cu 2 S/polymer composite substrate. The physical and photovoltaic properties of the substrate can be controlled by tuning the concentration of CuNW dispersion during the preparation of CuNWs and nano Cu 2 S films. The nano-Cu 2 S-based composite substrate was used as an effective flexible counter electrode of a quantum-dot-sensitized solar cell (QDSSC) and resulted in a maximum cell efficiency of 1.01%.

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Section: Introductionmentioning

confidence: 99%

A Novel Preparation of Nano-Copper Chalcogenide (Cu2S)-based Flexible Counter Electrode

Jin

Liu

et al. 2019

Sci Rep

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“…In addition, the 2θ peaks at 36.56°, and 61.45° are the characteristic peaks of the all the composite fabricated in this study. CuFC exhibits 2θ peaks at 36.4°, 52.5°, 64.5°, and 76.8° imply presence of corresponding reflective planes of Cu nanomaterials such as (110), (200), (113), and (220), respectively [ 19 ]. The 2θ peaks of CoFC at 38.3°, and 62.…”

Section: Resultsmentioning

confidence: 99%

EMI Shielding of the Hydrophobic, Flexible, Lightweight Carbonless Nano-Plate Composites

et al. 2020

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The cost-effective spray coated composite was successfully synthesis and characterized by scanning electron microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, and X-ray diffraction techniques. The one step synthetic strategy was used for the synthesis of nanoplates that have a crystalline nature. The composites are amorphous and hydrophobic with micron thickness (<400 m). The maximum contact angle showed by composite is 132.65° and have wetting energy of −49.32 mN m−1, spreading coefficient −122.12 mN m−1, and work of adhesion 23.48 mN m−1. The minimum thickness of synthesized nanoplate is 3 nm while the maximum sheet resistance, resistivity, and electrical conductivity of the composites are 11.890 ohm sq−1, 0.4399 Ω.cm−1, and 8.967 S.cm−1, respectively. The cobalt nanoplate coated non-woven carbon fabric (CoFC) possesses excellent sheet resistance, hydrophobic nature, and EMI shielding efficiency of 99.99964%. The composite can block above 99.9913% of incident radiation (X band). Hence, the composite can be utilized in application areas such as medical clothes, mobile phones, automobiles, aerospace, and military equipment.

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“…As multiple researchers have already found that oxidation is the main factor in a resistivity increase in metal/polymer nanocomposites (excluding noble metals) [3,7,8], it has to be minimized to retain the conductive properties of the filament material. Since high temperatures accelerate the oxidation process [36], low nozzle temperatures and increased cooling of the extruding material can reduce the filler oxidation. Further, a low printing speed and extrusion rate reduce the shear rate in the nozzle narrowing and reduce the damage of the established conductive network during the extrusion.…”

Section: Discussionmentioning

confidence: 99%

“…The oxidation of copper nanowires and other metal nanoparticles was already thoroughly studied [36,37] and practical solutions exist, mostly in the form of coatings with ligand molecules [38] and inert metals [8].…”

Section: Discussionmentioning

confidence: 99%

Process Parameters for FFF 3D-Printed Conductors for Applications in Sensors

Palmić

Slavič

Boltežar

2020

Sensors

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With recent developments in additive manufacturing (AM), new possibilities for fabricating smart structures have emerged. Recently, single-process fused-filament fabrication (FFF) sensors for dynamic mechanical quantities have been presented. Sensors measuring dynamic mechanical quantities, like strain, force, and acceleration, typically require conductive filaments with a relatively high electrical resistivity. For fully embedded sensors in single-process FFF dynamic structures, the connecting electrical wires also need to be printed. In contrast to the sensors, the connecting electrical wires have to have a relatively low resistivity, which is limited by the availability of highly conductive FFF materials and FFF process conditions. This study looks at the Electrifi filament for applications in printed electrical conductors. The effect of the printing-process parameters on the electrical performance is thoroughly investigated (six parameters, >40 parameter values, >200 conductive samples) to find the highest conductivity of the printed conductors. In addition, conductor embedding and post-printing heating of the conductive material are researched. The experimental results helped us to understand the mechanisms of the conductive network’s formation and its degradation. With the insight gained, the optimal printing strategy resulted in a resistivity that was approx. 40% lower than the nominal value of the filament. With a new insight into the electrical behavior of the conductive material, process optimizations and new design strategies can be implemented for the single-process FFF of functional smart structures.

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Effect of temperature on the oxidation of Cu nanowires and development of an easy to produce, oxidation-resistant transparent conducting electrode using a PEDOT:PSS coating

Cited by 82 publications

References 30 publications

A Novel Preparation of Nano-Copper Chalcogenide (Cu2S)-based Flexible Counter Electrode

A Novel Preparation of Nano-Copper Chalcogenide (Cu2S)-based Flexible Counter Electrode

EMI Shielding of the Hydrophobic, Flexible, Lightweight Carbonless Nano-Plate Composites

Process Parameters for FFF 3D-Printed Conductors for Applications in Sensors

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