Copper nanomaterials and assemblies for soft electronics

Yang, Feng; Zhu, Jian

doi:10.1007/s40843-019-9468-5

Cited by 24 publications

(18 citation statements)

References 178 publications

(353 reference statements)

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“…The development of hybrid organic-inorganic materials based on copper ions is promising due to the combination of their unique properties and low cost [ 9 , 10 , 11 ]. Such materials have high thermal and electrical conductivity, biological activity (for example, antifungal, antibacterial), and are also used as catalysts and sensors [ 12 , 13 , 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

Catechol-Containing Schiff Bases on Thiacalixarene: Synthesis, Copper (II) Recognition, and Formation of Organic-Inorganic Copper-Based Materials

et al. 2021

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For the first time, a series of catechol-containing Schiff bases, tetrasubstituted at the lower rim thiacalix[4]arene derivatives in three stereoisomeric forms, cone, partial cone, and 1,3-alternate, were synthesized. The structure of the obtained compounds was proved by modern physical methods, such as NMR, IR spectroscopy, and HRMS. Selective recognition (Kb difference by three orders of magnitude) of copper (II) cation in the series of d-metal cations (Cu2+, Ni2+, Co2+, Zn2+) was shown by UV-vis spectroscopy. Copper (II) ions are coordinated at the nitrogen atom of the imine group and the nearest oxygen atom of the catechol fragment in the thiacalixarene derivatives. High thermal stable organic-inorganic copper-based materials were obtained on the base of 1,3-alternate + Cu (II) complexes.

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Section: Introductionmentioning

confidence: 99%

Catechol-Containing Schiff Bases on Thiacalixarene: Synthesis, Copper (II) Recognition, and Formation of Organic-Inorganic Copper-Based Materials

et al. 2021

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“…poses stringent requirements in materials storage. [ 33 ] Targeting these challenges, strategies of materials preparation that allow for long‐term stability and low‐cost storage and transportation, without sacrificing materials performance, are highly demanded. For example, silk fibroin, a promising substrate/dielectric material for flexible electronics, [ 34 ] is normally prepared in solution with limited solubility and stability.…”

Section: The Thorny Path Of Lab‐to‐fab Translationmentioning

confidence: 99%

Devising Materials Manufacturing Toward Lab‐to‐Fab Translation of Flexible Electronics

et al. 2020

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Flexible electronics have witnessed exciting progress in academia over the past decade, but most of the research outcomes have yet to be translated into products or gain much market share. For mass production and commercialization, industrial adoption of newly developed functional materials and fabrication techniques is a prerequisite. However, due to the disparate features of academic laboratories and industrial plants, translating materials and manufacturing technologies from labs to fabs is notoriously difficult. Therefore, herein, key challenges in the materials manufacturing of flexible electronics are identified and discussed for its lab‐to‐fab translation, along the four stages in product manufacturing: design, materials supply, processing, and integration. Perspectives on industry‐oriented strategies to overcome some of these obstacles are also proposed. Priorities for action are outlined, including standardization, iteration between basic and applied research, and adoption of smart manufacturing. With concerted efforts from academia and industry, flexible electronics will bring a bigger impact to society as promised.

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“…With the rapid development of soft electronics [10][11][12][13][14][15][16][17][18][19][20], flexible and wearable sensors have shown evident advantages in biomedical applications, such as health-monitoring, wearable devices, artificial skin and intelligent robotics [10,[21][22][23][24][25][26][27][28][29][30][31]. For instance, strain sensors can be attached to human body and its melting point is 10.5 °C.…”

Section: Introductionmentioning

confidence: 99%

Advances in Liquid Metal-Enabled Flexible and Wearable Sensors

2020

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Sensors are core elements to directly obtain information from surrounding objects for further detecting, judging and controlling purposes. With the rapid development of soft electronics, flexible sensors have made considerable progress, and can better fit the objects to detect and, thus respond to changes more sensitively. Recently, as a newly emerging electronic ink, liquid metal is being increasingly investigated to realize various electronic elements, especially soft ones. Compared to conventional soft sensors, the introduction of liquid metal shows rather unique advantages. Due to excellent flexibility and conductivity, liquid-metal soft sensors present high enhancement in sensitivity and precision, thus producing many profound applications. So far, a series of flexible and wearable sensors based on liquid metal have been designed and tested. Their applications have also witnessed a growing exploration in biomedical areas, including health-monitoring, electronic skin, wearable devices and intelligent robots etc. This article presents a systematic review of the typical progress of liquid metal-enabled soft sensors, including material innovations, fabrication strategies, fundamental principles, representative application examples, and so on. The perspectives of liquid-metal soft sensors is finally interpreted to conclude the future challenges and opportunities.2 of 25 to monitor skin strain and muscle movement [32]. Introduction of soft sensors has greatly propelled the development of intelligent artificial skin, which provides not only aesthetic functions, but also perception of tactile sensation and temperature measurement [33,34]. They can also be applied to realize intelligent perception and control for robots [35][36][37]. Moreover, flexible sensors can tightly fit the object and maintain performance even while being stretched. In this way, they can respond to changes more sensitively and detect position and posture alteration in real time.Up to now, materials and techniques to achieve flexible sensors have been widely explored. To obtain better application output for the human body, both flexibility and biocompatibility of the substrates are required. Soft thermoplastic polymers and silicone elastomers are the most common substrates used to fabricate flexible sensors, such as polyethylene terephthalate (PET), poly urethane (PU), polydimethylsiloxane (PDMS) and Eco Flex [38]. Moreover, the sensing elements are other important parts, which are mainly made up of conductive materials, including organic and inorganic nanomaterials [39,40]. Carbon-based materials, such as carbon nanotube and graphene, have been investigated in various soft circuits [39,[41][42][43][44][45][46]. Although circuits fabricated by carbon-based materials are highly stretchable, they are not as conductive as those fabricated by metals. Nanoparticles of rigid metals are applied to design soft circuits with high conductivity, among which silver nanoparticles have been extensively studied [47][48][49][50][51][52][53]. Moreover, liquid me...

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Copper nanomaterials and assemblies for soft electronics

Cited by 24 publications

References 178 publications

Catechol-Containing Schiff Bases on Thiacalixarene: Synthesis, Copper (II) Recognition, and Formation of Organic-Inorganic Copper-Based Materials

Catechol-Containing Schiff Bases on Thiacalixarene: Synthesis, Copper (II) Recognition, and Formation of Organic-Inorganic Copper-Based Materials

Devising Materials Manufacturing Toward Lab‐to‐Fab Translation of Flexible Electronics

Advances in Liquid Metal-Enabled Flexible and Wearable Sensors

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