Direct-printed nanoscale metal-oxide-wire electronics

Kim, Tae-Sik; Lee, Yeongjun; Xu, Wentao; Kim, Yeon Hoo; Kim, Mi-Seong; Min, Sung‐Yong; Kim, Tae Hoon; Jang, Ho Won; Lee, Tae‐Woo

doi:10.1016/j.nanoen.2019.01.052

Cited by 38 publications

(29 citation statements)

References 56 publications

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“…1A. The understandings in biology and advances in materials and electronic technologies have led to the recent development of artificial synaptic devices, mostly in rigid or flexible formats (10)(11)(12)(13)(14)(15)(16)(17), to emulate the biological counterparts toward emerging applications, such as parallel processing (18)(19)(20)(21)(22)(23), low-power computing (10,24), neuroprosthetics (11,25), etc. Artificial synapses, which are very stretchable similar to those that appear in soft animals, are key to enabled neurological functions in soft machines and many other applications, such as neuroprosthetics (11,(26)(27)(28)(29).…”

Section: Introductionmentioning

confidence: 99%

Stretchable elastic synaptic transistors for neurologically integrated soft engineering systems

et al. 2019

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Artificial synaptic devices that can be stretched similar to those appearing in soft-bodied animals, such as earthworms, could be seamlessly integrated onto soft machines toward enabled neurological functions. Here, we report a stretchable synaptic transistor fully based on elastomeric electronic materials, which exhibits a full set of synaptic characteristics. These characteristics retained even the rubbery synapse that is stretched by 50%. By implementing stretchable synaptic transistor with mechanoreceptor in an array format, we developed a deformable sensory skin, where the mechanoreceptors interface the external stimulations and generate presynaptic pulses and then the synaptic transistors render postsynaptic potentials. Furthermore, we demonstrated a soft adaptive neurorobot that is able to perform adaptive locomotion based on robotic memory in a programmable manner upon physically tapping the skin. Our rubbery synaptic transistor and neurologically integrated devices pave the way toward enabled neurological functions in soft machines and other applications.

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Section: Introductionmentioning

confidence: 99%

Stretchable elastic synaptic transistors for neurologically integrated soft engineering systems

et al. 2019

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“…Compared to general jetting systems such as near-field electrospinning, melt-electrospinning, and electrohydrodynamic (EHD) jetting, the CREW process can be easily combined with conventional 3D printing technology (fig. S7 and table S1) (20,(30)(31)(32)49). The integration of the CREW system into a conventional 3D printer can decrease the feature size by more than 10 times.…”

Section: Materials Diversity and 3d Construction Of Heterogeneous Polymer Scaffoldsmentioning

confidence: 99%

3D jet writing of mechanically actuated tandem scaffolds

et al. 2021

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The need for high-precision microprinting processes that are controllable, scalable, and compatible with different materials persists throughout a range of biomedical fields. Electrospinning techniques offer scalability and compatibility with a wide arsenal of polymers, but typically lack precise three-dimensional (3D) control. We found that charge reversal during 3D jet writing can enable the high-throughput production of precisely engineered 3D structures. The trajectory of the jet is governed by a balance of destabilizing charge-charge repulsion and restorative viscoelastic forces. The reversal of the voltage polarity lowers the net surface potential carried by the jet and thus dampens the occurrence of bending instabilities typically observed during conventional electrospinning. In the absence of bending instabilities, precise deposition of polymer fibers becomes attainable. The same principles can be applied to 3D jet writing using an array of needles resulting in complex composite materials that undergo reversible shape transitions due to their unprecedented structural control.

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“…[ 82 , 148 , 182 , 184 , 208 , 209 ], stretchable interconnects [ 210 ] and many others [ 29 , 73 ]. These intrinsic stretchable inorganic materials have enabled many novel applications that were impossible for conventional electronics as well as for organic PE to achieve such as personal healthcare monitoring [ 17 , 207 , 211 ], human–machine interface (artificial intelligence) [ 59 , 212 , 213 ], neuromorphic computing [ 140 , 214 , 215 ], etc. where faster computing and mechanical flexibility is needed.…”

Section: Opportunities and Challengesmentioning

confidence: 99%

High-performance printed electronics based on inorganic semiconducting nano to chip scale structures

et al. 2020

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The Printed Electronics (PE) is expected to revolutionise the way electronics will be manufactured in the future. Building on the achievements of the traditional printing industry, and the recent advances in flexible electronics and digital technologies, PE may even substitute the conventional silicon-based electronics if the performance of printed devices and circuits can be at par with silicon-based devices. In this regard, the inorganic semiconducting materials-based approaches have opened new avenues as printed nano (e.g. nanowires (NWs), nanoribbons (NRs) etc.), micro (e.g. microwires (MWs)) and chip (e.g. ultra-thin chips (UTCs)) scale structures from these materials have been shown to have performances at par with silicon-based electronics. This paper reviews the developments related to inorganic semiconducting materials based high-performance large area PE, particularly using the two routes i.e. Contact Printing (CP) and Transfer Printing (TP). The detailed survey of these technologies for large area PE onto various unconventional substrates (e.g. plastic, paper etc.) is presented along with some examples of electronic devices and circuit developed with printed NWs, NRs and UTCs. Finally, we discuss the opportunities offered by PE, and the technical challenges and viable solutions for the integration of inorganic functional materials into large areas, 3D layouts for high throughput, and industrial-scale manufacturing using printing technologies.

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Direct-printed nanoscale metal-oxide-wire electronics

Cited by 38 publications

References 56 publications

Stretchable elastic synaptic transistors for neurologically integrated soft engineering systems

Stretchable elastic synaptic transistors for neurologically integrated soft engineering systems

3D jet writing of mechanically actuated tandem scaffolds

High-performance printed electronics based on inorganic semiconducting nano to chip scale structures

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