Intrinsically stretchable and transparent thin-film transistors based on printable silver nanowires, carbon nanotubes and an elastomeric dielectric

Liang, Jiajie; Lu, Li; Chen, Dustin; Hajagos, Tibor Jacob; Ren, Zhi; Chou, Shu-Yu; Hu, Wei; Pei, Qibing

doi:10.1038/ncomms8647

Cited by 283 publications

(274 citation statements)

References 45 publications

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“…[197] It is also possible to achieve much better mechanical stability if using elastomeric materials as the substrate and dielectric. [198] Xia et al reported a stretchable all-CNT transistor with an elastomeric polydimethylsiloxane (PDMS) thin film as substrate and dielectric layer, showing no noticeable change (less than 5%) in electrical performance up to a large strain of 22.5%. [199] Chortos et al selected a tough thermoplastic polyurethane (TPU) as the dielectric and substrate to fabricate transparent and stretchable all-CNT TFTs (Figure 9), where the channel and electrodes consisted of polymer-sorted and unsorted CNTs, respectively.…”

Section: Carbon Nanotubes As Electrodesmentioning

confidence: 99%

All‐Carbon Thin‐Film Transistors as a Step Towards Flexible and Transparent Electronics

Sun

Liu

Ren

et al. 2016

Adv Elect Materials

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silicon wafer, TFTs can be fabricated on various types of rigid or flexible substrates. [1] TFTs fabricated on glass are primarily used for driving circuits in the liquid-crystal displays of televisions, computer monitors, and mobile phones, etc. Well-established TFT technologies based on amorphous silicon and polycrystalline silicon are well-suited for large-area, highresolution panels, e.g., six pieces of 65-and 75-inch TFT arrays can be fabricated on a 10.5th generation glass substrate. [2] However, TFTs based on these silicon-based semiconductors still face challenges in flexible and transparent applications, which would allow circuit integration on curved and non-rigid surfaces and in multi-layer packaging, e.g., head-up displays on windshields, informational displays on eyeglasses and transparent electronic skin in wearable electronics. [3] In terms of the materials used to construct flexible and transparent devices, not only the transistor channel but also the dielectric layers and metallic interconnects should have excellent flexibility and transparency. [4] The following factors play critical roles in the selection of channel materials: carrier mobility, temperature of material preparation, flexibility, large area availability, cost and stability. Carrier mobility is an important parameter to characterize the drift velocity of electrons or holes in a semiconductor under an applied electric field. [5] A high mobility corresponds to a high operating speed of the TFTs and their circuits. The only advantage of low-temperature polycrystalline silicon is its relatively high mobility. [6] Amorphous oxide semiconductors, including indium gallium zinc oxide, have a modest mobility and are costly due to the use of noble metal elements. [7] Hydrogenterminated amorphous silicon has modest properties in carrier mobility, large-area and flexibility, [1] and organic semiconductors are better suited for flexible and transparent TFTs except for their shortcomings of low mobility and poor environmental stability. [8] On the other hand, normal metal electrodes, such as gold, silver, aluminum and copper, cannot be used to form transparent electrodes due to their poor light transmittance. Both transparent indium tin oxide (ITO) electrodes and opaque metal electrodes suffer from flexibility constraints and can usually tolerate strains of less than 2%. [9][10][11] Therefore, the discovery of new types of robust channel and electrode materials is essential to achieve transparent, flexible, and even stretchable electronics. [12] Carbon nanomaterials, such as carbon nanotubes (CNTs) and graphene, have attracted great attention for potential use in flexible and transparent electronics since their discovery in the last two decades, [13,14] owing to their excellent properties Carbon nanotubes and graphene have attracted great attention for potential applications in flexible and transparent electronics, owing to their exceptional properties including very high electrical conductivity, optical transmittance, mechanical strength and f...

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Section: Carbon Nanotubes As Electrodesmentioning

confidence: 99%

All‐Carbon Thin‐Film Transistors as a Step Towards Flexible and Transparent Electronics

Sun

Liu

Ren

et al. 2016

Adv Elect Materials

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“…The most widely explored schemes involve NWs, where there are many examples of flexible/ stretchable electronics that exploit the outstanding electrical, 39 mechanical, 40 and optical properties 41 of these materials. In one representative case, hydro-thermal growth of vertically oriented ZnO NWs yields active materials for adaptive tactile imaging systems, as shown in Fig.…”

Section: Bottom-up Approachesmentioning

confidence: 99%

Inorganic semiconducting materials for flexible and stretchable electronics

et al. 2017

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Recent progress in the synthesis and deterministic assembly of advanced classes of single crystalline inorganic semiconductor nanomaterial establishes a foundation for high-performance electronics on bendable, and even elastomeric, substrates. The results allow for classes of systems with capabilities that cannot be reproduced using conventional wafer-based technologies. Specifically, electronic devices that rely on the unusual shapes/forms/constructs of such semiconductors can offer mechanical properties, such as flexibility and stretchability, traditionally believed to be accessible only via comparatively low-performance organic materials, with superior operational features due to their excellent charge transport characteristics. Specifically, these approaches allow integration of high-performance electronic functionality onto various curvilinear shapes, with linear elastic mechanical responses to large strain deformations, of particular relevance in bio-integrated devices and bio-inspired designs. This review summarizes some recent progress in flexible electronics based on inorganic semiconductor nanomaterials, the key associated design strategies and examples of device components and modules with utility in biomedicine.

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“…Although intrinsically stretchable circuit elements, such as transistors,5 capacitors,6 and light‐emitting electrochemical cells,[[qv: 2b]] have been developed, these components will not be able to match the performance of their rigid counterparts. Therefore, many stretchable electronic applications will require the mounting of rigid components onto stretchable circuit boards (SCBs), where the SCB accounts for the mechanical deformation of the system.…”

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confidence: 99%

Fast and Efficient Fabrication of Intrinsically Stretchable Multilayer Circuit Boards by Wax Pattern Assisted Filtration

Tybrandt

Vörös

2015

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Intrinsically stretchable multilayer circuit boards are fabricated with a fast and material efficient method based on filtration. Silver nanowire conductor patterns of outstanding performance are defined by filtration through wax printed membranes and the circuit board is assembled by subsequent transfers of the nanowires onto the elastomer substrate. The method is used to fabricate a bright stretchable light emitting diode matrix display.

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Intrinsically stretchable and transparent thin-film transistors based on printable silver nanowires, carbon nanotubes and an elastomeric dielectric

Cited by 283 publications

References 45 publications

All‐Carbon Thin‐Film Transistors as a Step Towards Flexible and Transparent Electronics

All‐Carbon Thin‐Film Transistors as a Step Towards Flexible and Transparent Electronics

Inorganic semiconducting materials for flexible and stretchable electronics

Fast and Efficient Fabrication of Intrinsically Stretchable Multilayer Circuit Boards by Wax Pattern Assisted Filtration

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