All-printed, low-cost, tunable sensing range strain sensors based on Ag nanodendrite conductive inks for wearable electronics

Tian, Bin; Yao, Weijing; Zeng, Pan; Li, Xuan; Wang, Huanjun; Liu, Li; Yu, Feng; Luo, Chengzhi; Wu, Wei

doi:10.1039/c8tc04753g

Cited by 90 publications

(94 citation statements)

References 50 publications

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“…By altering the SC of Ag FDs, three Ag FDs conductive inks (denoted as Ag FDs ink-32 wt%, Ag FDs ink-35 wt%, and Ag FDs ink-38 wt%, respectively) are formulated. [35] Figure 1d and Figure S2, Supporting Information, further illustrate that these three conductive inks have good printing effects and enable to achieve large area printing on paper. It indicates that the viscosity of the conductive inks increases as the SC of Ag FDs increases.…”

Section: Resultsmentioning

confidence: 87%

“…Electron. [35] When the width of the microcracks reaches Adv. 2020, 6,1900922 www.advelectronicmat.de the surface of the Ag FDs layer, and the SIS solution is added dropwise.…”

Section: Resultsmentioning

confidence: 99%

“…[9,23] Recently, www.advelectronicmat.de structure mainly consisting of functional conductive layer, and substrate layer, which can be prepared by depositing conductive materials on the surface of the substrate or embedding it in the substrate. [2,4,22,35] The preparation methods mainly include coating (spin coating, spray coating, dip coating, etc. ), [7,36,37] spinning (wet spinning, electrospinning, etc.…”

Section: Introductionmentioning

confidence: 99%

“…[9,35,41] In our previous work, the wearable strain sensor with excellent sensing performance was prepared by screenprinting method, but its mechanical stability was poor due to low adhesion of the conductive functional layer to the substrate. [35] Moreover, the commonly used stretchable polymer substrates (polydimethylsiloxane [PDMS], Ecoflex) have a low surface energy, thus the conductive ink cannot be directly deposited onto the surface of the polymer substrate by screenprinting. The transfer-printing combined with screen-printing can solve these two problems, embedding the conductive functional layer in the polymer elastomer substrate and improving the adhesion between the conductive layer and the substrate.…”

Section: Introductionmentioning

confidence: 99%

“…Compared with the carbon-based materials (such as graphene, [30] CNTs, [5] and carbonized fibers [31] ), the metallic nanomaterials, especially of silver nanomaterials (including Ag nanowires, Ag flakes) usually have superior electrical conductivity. [9,28,35] In our previous works, the preparation process of the Ag FDs is simple and fast, enabling mass production. The unique structure of Ag FDs provides larger surface area, which is beneficial to maintain the connection of conductive path under tensile strain.…”

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confidence: 99%

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Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

Tian

Luo

et al. 2019

Adv Elect Materials

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the researchers are beginning to introduce some features (such as the flexibility, bendability, self-healing, stretchability, sensing function, heater management) into the single electronic device to achieve the multifunctional integrated electronic systems. [7,22,[24][25][26][27] Therefore, multifunctionality becomes a major trend in flexible wearable electronics, which can effectively reduce production costs and save space.Interestingly, the flexible conductors, resistive-type strain sensors, and Joule heaters have similar device structures, making it possible to integrate all these functions in one device. [28,29] Recently, Souri and Bhattacharyya reported highly stretchable multifunctional wearable electronics (MWEs) based on conductive wool fabrics coated with graphene nanoplatelets and carbon black, which possessed sensing and heating performance. [7] However, owing to the high initial resistance (1.22 ± 0.15 KΩ), the MWEs require a high load voltage of 20 V to heat up to 103 °C, and its gauge factor (GF) is less than 0.5. [7] Cai and coauthors prepared MWEs based on carbon nanotube (CNT)/ cotton/spandex composite yarn that can be stretched to 350%, but also exhibit low sensitivity and poor heating performance (heated to 105 °C at 10 V). [8] Therefore, it is still a challenge to obtain the MWEs with high stretchability, good sensitivity, and excellent low-voltage driving heating performance.The electrical conductivity determines the performance of conductors and low-voltage driving heaters, in par with the sensitivity of resistive-type strain sensors. Compared with the carbon-based materials (such as graphene, [30] CNTs, [5] and carbonized fibers [31] ), the metallic nanomaterials, especially of silver nanomaterials (including Ag nanowires, Ag flakes) usually have superior electrical conductivity. [32][33][34] Among in silver nanomaterials, silver fractal dendrites (Ag FDs) with unique branch structure could obtain high conductivity at lower sintering temperature (<80 °C). The unique structure of Ag FDs provides larger surface area, which is beneficial to maintain the connection of conductive path under tensile strain. [9,28,35] In our previous works, the preparation process of the Ag FDs is simple and fast, enabling mass production. [9,28] Therefore, the Ag FDs is an ideal conductive material for fabricating the MWEs with high conductivity, excellent sensing performance and Joule heating performance.Another challenge is to exploit a simple and fast way to fabricate the high-performance MWEs. Conductors, resistivetype strain sensors and heaters have simple and similar device Multifunctionality is a major development trend in flexible stretchable wearable electronics, requiring integration of electrical conductivity, sensing performance, and heating management on a portable electronic device. Herein, the silver fractal dendrites (Ag FDs) conductive ink is formulated and deposited into the polystyrene-block-polyisoprene-block-polystyrene (SIS) thin films by a simple and cost-effective transfer-printing method...

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Section: Resultsmentioning

confidence: 87%

“…Electron. [35] When the width of the microcracks reaches Adv. 2020, 6,1900922 www.advelectronicmat.de the surface of the Ag FDs layer, and the SIS solution is added dropwise.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

Tian

Luo

et al. 2019

Adv Elect Materials

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Superior Electromagnetic Shielding and Mechanical Buffering Achieved by Alternating Conductive and Porous Supramolecular Networks

Yang

Dai

et al. 2022

Adv Eng Mater

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The development of electromagnetic interference (EMI) shielding materials with excellent EMI shielding effectiveness (SE), and superior mechanical performance is of great importance in daily life and in the military, where they are used for intelligent transportation systems and ammunition. Generally, shielding performances can be realized via reflection loss and absorption loss. However, it is still a challenge to enhance these two kinds of electromagnetic wave loss in the same material at the same time to achieve ideal shielding performance. Herein, a flexible Ag NDs/CNT@PC/Ni‐9 film composed of five conductive layers and four porous layers is prepared by alternating Ag NDs/CNT layers and PC/Ni layers through self‐assembly. The obtained film with a thickness of 890 μm exhibits a remarkable SE performance of 138 dB in the X‐band. Additionally, with a series of continuous volcanic mechanical impacts (>10 000 g), the maximum instantaneous acceleration is decreased by 30.02% due to the buffering of the film, which constitutes a much‐improved energy absorption cushion relative to that of traditional buffering materials, such as foam metal and rubber. A material integrated with strong EMI shielding and high mechanical shock resistance is designed, which provides an effective strategy for the development of functional materials for extreme environments.

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Solution Printing of Electronics and Sensors: Applicability and Application in Space

Zhang

Ding

et al. 2022

Adv Eng Mater

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To ensure the safety and reliability of increasingly frequent, long‐duration, and long‐distance space missions, a sufficient and timely supply of the electronics and sensors that are essential in the maintenance and regeneration of spacecraft in space has become urgent. Solution‐based printing (SP) in space can be considered a disruptive technology for in situ manufacturing and maintenance of functional devices during the long duration and endurance of space exploration and crewed spaceﬂight. Herein, the origin and overview of the printing techniques in space are first introduced and further the printing processes in extreme space environments are discussed; then, its potential space applications in flexible solar cells, soft and wearable sensors, and space‐based antennas are forecast; finally, survivability for printed electronics in space is analyzed. Overall, a comprehensive description of the applicability and application of the SP techniques for manufacturing electronics and sensors in space is given.

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All-printed, low-cost, tunable sensing range strain sensors based on Ag nanodendrite conductive inks for wearable electronics

Abstract: Stretchable and wearable strain sensors based on Ag nanodendrites with high stretchability and sensitivity are fabricated by directly screen-printing technology.

Cited by 90 publications

References 50 publications

Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

Superior Electromagnetic Shielding and Mechanical Buffering Achieved by Alternating Conductive and Porous Supramolecular Networks

Solution Printing of Electronics and Sensors: Applicability and Application in Space

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