Inkjet printing of single-walled carbon nanotube thin-film transistors patterned by surface modification

Nobusa, Yuki; Yomogida, Yohei; Matsuzaki, Satoki; Yanagi, Kazuhiro; Kataura, Hiromichi; Takenobu, Taishi

doi:10.1063/1.3657502

Cited by 43 publications

(31 citation statements)

References 18 publications

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“…These results are comparable to values reported in the literature for printed CNT FETs (Supporting Information Figure S1). [19][20][21][22][23][24][25][26][27][28] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 The similarity in elemental composition to that of clothes afforded our elastomeric FET to possess clothes-like robustness and softness. To demonstrate this important point, our elastomeric FET was exposed to experiments spanning some of the most severe conditions of daily life.…”

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confidence: 87%

Robust and Soft Elastomeric Electronics Tolerant to Our Daily Lives

et al. 2015

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Clothes represent a unique textile, as they simultaneously provide robustness against our daily activities and comfort (i.e., softness). For electronic devices to be fully integrated into clothes, the devices themselves must be as robust and soft as the clothes themselves. However, to date, no electronic device has ever possessed these properties, because all contain components fabricated from brittle materials, such as metals. Here, we demonstrate robust and soft elastomeric devices where every component possesses elastomeric characteristics with two types of single-walled carbon nanotubes added to provide the necessary electronic properties. Our elastomeric field effect transistors could tolerate every punishment our clothes experience, such as being stretched (elasticity: ∼ 110%), bent, compressed (>4.0 MPa, by a car and heels), impacted (>6.26 kg m/s, by a hammer), and laundered. Our electronic device provides a novel design principle for electronics and wide range applications even in research fields where devices cannot be used.

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confidence: 87%

Robust and Soft Elastomeric Electronics Tolerant to Our Daily Lives

et al. 2015

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“…Several methods have been proposed to print CNTs by mixing into a solution, including painting [20], spraying [21], and inkjet printing [22]. Inkjet printing is a promising method to draw complex pattern conveniently, especially when a desktop inkjet printer is employed.…”

Section: Introductionmentioning

confidence: 99%

Dielectric Elastomer Actuators with Carbon Nanotube Electrodes Painted with a Soft Brush

et al. 2018

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Abstract:We propose a simple methodology to paint carbon nanotube (CNT) powder with a soft brush onto an elastomer. A large deformation of dielectric elastomer actuator (DEA) occurs according to the small constraint of the electrodes. Uniform painting with a soft brush leads to a stable deformation, as demonstrated by the results of multiple trials. Unexpectedly, painting with a soft brush results in aligned materials on the elastomer. The oriented materials demonstrate anisotropic mechanical and electronic properties. This simple methodology should help realize innovative DEA applications.

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“…7 These techniques have attracted considerable attention as a fundamental processing technology in the emerging field of "printed electronics (PE)." [8][9][10][11][12][13][14][15][16] In PE, functional microdroplet inks that contain dissolved or dispersed semiconducting 17 or metallic materials 18 are deposited to manufacture active or passive electronic components. Several reports have demonstrated that predefined patterned surface-energy modification can be used to attain fine thin-film patterning for manufacturing PE circuits.…”

Section: Introductionmentioning

confidence: 99%

Observation and simulation of microdroplet shapes on surface-energy-patterned substrates: Contact line engineering for printed electronics

Noda

Matsui

Minemawari

et al. 2013

Journal of Applied Physics

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Equilibrium microdroplet shapes on hydrophilic/hydrophobic patterned surfaces were investigated both by experimental observation using an inkjet printing technique and by computer simulation. We demonstrated that the hybrid energy minimization simulation can accurately reproduce the equilibrium shapes of observed microdroplets, including the droplet contact line in the vicinity of a sharp corner in the hydrophilic region. We found that the relative ratio of nonwetting areas by the droplets around a rectangular corner can be used as a useful index to check the reliability of the simulation as well as to estimate the surface-energy distribution within the hydrophilic region. Based on the estimation of the additional local force acting on the contact lines, we discuss the design rules for printed electronics circuits, such as the shapes of the integrated electrode to realize the ideal spreading.

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Inkjet printing of single-walled carbon nanotube thin-film transistors patterned by surface modification

Cited by 43 publications

References 18 publications

Robust and Soft Elastomeric Electronics Tolerant to Our Daily Lives

Robust and Soft Elastomeric Electronics Tolerant to Our Daily Lives

Dielectric Elastomer Actuators with Carbon Nanotube Electrodes Painted with a Soft Brush

Observation and simulation of microdroplet shapes on surface-energy-patterned substrates: Contact line engineering for printed electronics

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