Low Cost and Facile Fabrication of a Micro‐Mold with High Aspect Ratio for Transparent Electrodes with Metal Mesh Using Micro‐Scale 3D Printing

Wang, Rui; Zhu, Xiaoyang; Li, Hongke; Zhang, Jinbao; Wang, Fei; Zhang, Guangming; Yang, Jianjun; Peng, Zilong; Zhang, Yuan‐Fang; Lan, Hongbo

doi:10.1002/admt.202200584

Cited by 8 publications

(5 citation statements)

References 59 publications

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“…112 When bent, exible electronics continue to work as intended and are more durable than conventional electronics. 113,176 The formulation of composite materials solves the problems of leakage and the difficulties caused by surface tension during processing when a liquid metal is used in wearable electronics. However, throughout the bending process, exible electronic devices may experience long-term stress that will cause cracks and other damage.…”

Section: Wearable Exible Electronicsmentioning

confidence: 99%

Recent progress in eutectic gallium indium (EGaIn): surface modification and applications

Ge,

Wang,

Zhu

et al. 2024

J. Mater. Chem. A

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Section: Wearable Exible Electronicsmentioning

confidence: 99%

Recent progress in eutectic gallium indium (EGaIn): surface modification and applications

Ge,

Wang,

Zhu

et al. 2024

J. Mater. Chem. A

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“…where Z 0 = 377 Ω is the free space impedance. The SLEMM-1 and SLEMM-2 samples achieve 𝜎 DC /𝜎 OP of 3100 and 2620, The following works from the literature are included: Ag mesh (Lei), [55] Ag mesh (Li), [50] Ag mesh (Li), [9] Cu/Ag meshes, [56] Ag mesh (Sun), [57] Ag mesh (Govind), [58] and Ag mesh (Yang). [59] respectively.…”

Section: Single-layer Embedded Metal Meshes (Slemms)mentioning

confidence: 99%

“…A performance comparison between our SLEMMs and other flexible metal meshes in the literature. a) transmission versus sheet resistance and b) figure of merit 𝜎 DC /𝜎 OP versus sheet resistance.The following works from the literature are included: Ag mesh (Lei),[55] Ag mesh (Li),[50] Ag mesh (Li),[9] Cu/Ag meshes,[56] Ag mesh (Sun),[57] Ag mesh (Govind),[58] and Ag mesh (Yang) [59].…”

mentioning

confidence: 99%

Single‐ and Double‐Layer Embedded Metal Meshes for Flexible, Highly Transparent Electromagnetic Interference Shielding

Zarei,

Li,

Papazekos

et al. 2024

Adv Materials Technologies

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Simulation and experimental studies are carried out on single‐layer and double‐layer embedded metal meshes (SLEMM and DLEMM) to assess their performance as transparent electromagnetic interference (EMI) shielding. The structures consist of silver meshes embedded in polyethylene terephthalate (PET). As a transparent electrode, SLEMMs exhibit a transparency of 82.7% and a sheet resistance of 0.61 Ωsq−1 as well as 91.0% and 1.49 Ωsq−1. This performance corresponds to figures of merit of 3101 and 2620, respectively. The SLEMMs achieve 48.0 dB EMI shielding efficiency (SE) in the frequency range of 8–18 GHz (X‐ and Ku‐bands) with 91% visible transmission and 56.2 dB EMI SE with 82.7% visible transmission. Samples exhibit stable performance after 1000 bending cycles with a radius of curvature of 4 mm and 60 tape test cycles. DLEMMs consist of fabricating SLEMM on opposite sides of the substrate where the distance can be varied using a spacer. Simulations are performed to investigate how varying spacer distance between two layers of metal meshes influences the EMI SE. DLEMMs are fabricated and achieved an EMI SE of 77.7 dB with 81.7% visible transmission. SLEMMs and DLEMMs may have a wide variety of applications in aerospace, medical, and military applications.

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“…However, nanoimprinting and liquid-bridge transfer printing technology need to use high-precision molds to transfer printing. The manufacture of this mould needs lithography, etching and other technologies [263,264]. Not only the process is complex, but also the related equipment is expensive, so the production cost is high.…”

Section: Othersmentioning

confidence: 99%

Recent advances in nanofiber-based flexible transparent electrodes

Zhang

Zhu

Tai

et al. 2023

Int. J. Extrem. Manuf.

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Flexible and stretchable transparent electrodes are widely used in smart display, energy, wearable devices and other fields. Due to the limitations of flexibility and stretchability of indium tin oxide (ITO) electrodes, alternative electrodes have appeared, such as metal films, metal nanowires, and conductive meshes. However, few of the above electrodes can simultaneously have excellent flexibility, stretchability, and optoelectronic properties. Nanofiber (NF), a continuous ultra-long one-dimensional conductive material, is one of the most promising materials for high-performance transparent electrodes with excellent properties due to its unique structure. This paper summarizes the important research progress of NF flexible transparent electrodes (FTEs) in recent years from the aspects of NF electrode materials, preparation technology and application. First, the unique advantages and limitations of various NF materials are systematically discussed. Then, we summarized the preparation technology of various advanced NF FTEs, and pointed out the future development trend. We also discussed the application of NFs in solar cells, supercapacitors, electric heating equipment, sensors, etc., and analyzed its development potential in flexible electronic equipment, as well as problems that need to be solved. Finally, the challenges and future development trends are proposed for the wide application of NF FTEs in the field of flexible optoelectronics.

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Low Cost and Facile Fabrication of a Micro‐Mold with High Aspect Ratio for Transparent Electrodes with Metal Mesh Using Micro‐Scale 3D Printing

Abstract: Scheme 1. Schematic preparation process of polymer convex micro-mold with high AR.

Cited by 8 publications

References 59 publications

Recent progress in eutectic gallium indium (EGaIn): surface modification and applications

Recent progress in eutectic gallium indium (EGaIn): surface modification and applications

Single‐ and Double‐Layer Embedded Metal Meshes for Flexible, Highly Transparent Electromagnetic Interference Shielding

Recent advances in nanofiber-based flexible transparent electrodes

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