Recent advances and prospects of inkjet printing in heterogeneous catalysis

Maleki, Hesam; Bertola, Volfango

doi:10.1039/d0cy00040j

Cited by 45 publications

(27 citation statements)

References 145 publications

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“…Previous best practices suggested that the ink should display a stable Newtonian fluid with viscosity and surface tension in the range of 1–20 mPa s and 25–50 mN m −1 , respectively for inkjet printing. [ 34 ]…”

Section: Resultsmentioning

confidence: 99%

“…Previous best practices suggested that the ink should display a stable Newtonian fluid with viscosity and surface tension in the range of 1-20 mPa s and 25-50 mN m −1 , respectively for inkjet printing. [34] Figure 5a shows the viscosity curve as a function of shear rate for MWCNTs inks with GA and PVP surfactants. Both inks met the printing requirements by recording a viscosity range of 1-13 mPa s at a shear rate of 10 to 1000 s −1 .…”

Section: Rheological Assessment Of Mwcnts Inksmentioning

confidence: 99%

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Performance Enhancement of Inkjet Printed Multi‐Walled Carbon Nanotubes Inks using Synthetic and Green Surfactants

Kamarudin

Jaafar

Manaf³

et al. 2021

Adv Materials Technologies

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While the efficiency of synthetic surfactants in controlling the dispersion behaviour of nanomaterials in aqueous solution has been well documented, issues on environmental impact remain unsolved. The aim of this study is to synthesize multi‐walled carbon nanotubes (MWCNTs) inks using green surfactants and their chemical, physical, and electrical performances are compared to those of synthetic surfactant inks. The conductive ink is synthesized by dispersing MWCNTs in surfactant solution (gum Arabic [GA], alkali lignin [AL], polyvinylpyrrolidone [PVP] or pluronic F‐127 [PL]) with various concentrations. Among four investigated surfactants, GA/MWCNTs and PVP/MWCNTs inks are selected for further investigation due to their excellent dispersion stability. The printability of both inks is assessed by analyzing the quality of the conductive patterns printed with different inkjet printers theoretically and experimentally. It is found that multi‐nozzle printer is capable of developing printed patterns with lower sheet resistance compared to single‐nozzle printer. Overall, 5 GA/MWCNTs ink recorded as the most stable ink with only 14.4% reduction of absorbance after 30 days and with zeta potential value of −40.3 ± 5.36 mV. Ten layers of 5 GA/MWCNTs ink printed on PVA demonstrate a dense MWCNTs networks, which contribute to the lowest surface resistance of 3.0 kΩ sq−1.

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Section: Resultsmentioning

confidence: 99%

Section: Rheological Assessment Of Mwcnts Inksmentioning

confidence: 99%

Performance Enhancement of Inkjet Printed Multi‐Walled Carbon Nanotubes Inks using Synthetic and Green Surfactants

Kamarudin

Jaafar

Manaf³

et al. 2021

Adv Materials Technologies

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“…To avoid operating at high temperature, thermal DOD printers work well with low boiling point solvents, such as water or short‐chain alcohols. [ 37 ] In the piezoelectric DOD mode printing, a piezoelectric actuator is used to generate the pressure pulse by applying mechanical force to the ink chamber. Printable ink is thus purged out from the chamber by the formed pressure pulse and deposited on a substrate.…”

Section: Inkjet Printing Technologymentioning

confidence: 99%

“…The suggested surface tension range in DOD mode is generally between 20–50 mN m −1 . [ 37,39 ] Too high surface tension will hinder the formation of ink droplets, and too low surface tension will cause air inhalation, thus reducing the quality of printing. [ 49 ] To avoid nozzle clogging and damage, the particle size of the functional materials must be strictly controlled, which is required to be less than 1/50 of the nozzle diameter.…”

Section: Inkjet Printing Technologymentioning

confidence: 99%

Recent Developments of Inkjet‐Printed Flexible Energy Storage Devices

Wang

et al. 2022

Adv Materials Inter

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involving material exploration, structure design, and fabrication innovation. [6][7][8][9][10][11] Currently, flexible EES devices are fabricated through two main strategies: i) Utilization of intrinsic flexible materials. For example, carbon materials and conductive polymers are widely applied as EES electrodes, and polymers like Nafion, polyacrylamide (PAM), and polyethylene oxide (PEO) are used as electrolytes, and polymer matrixes such as polydimethylsiloxane (PDMS), polyimide (PI) are used as substrates or packing materials; [12][13][14][15] ii) Taking advantage of deformable structures. In this aspect, it has been demonstrated that the rigid materials can be endowed with flexibility after they are transformed from bulk to thin films or fibers, or are configured into such structures where stretching can be altered to bending motions, for example, serpentine, wavy and rigid island structures. [16][17][18] To maximize the flexibility of EES devices, it is desired to combine the aforementioned two strategies by constructing the intrinsically flexible EES materials in deformable structures. To optimize the performance of a flexible electronic system, it is also desired to integrate the EES devices with other functional units in well-designed mechanical structures. This has brought a big challenge to the manufacturing of flexible electronics since traditional manufacturing methods are insufficient in the structure design.Modern printing methods, such as 3D printing, screen printing, and inkjet printing, which exhibit high-degree flexibility pattern writing, provide new opportunities for manufacturing flexible EES devices as well as other electronic devices. 3D printing, also known as additive manufacturing technology, enables fabricating of EES electrodes and solid electrolytes in well-designed 3D architectures by stacking functional materials layer by layer. [19][20][21][22] However, increasing the printing dimension raises challenges for device flexibility, resulting in critical limitations in material selection and complex material processing. [23] Moreover, the highcost of 3D printing instruments and big trade-off between printing speed and resolution make 3D printing difficult to be applied in the manufacturing of integrated flexible electronic devices. [24] Screen printing is an industrial printing technique that can form EES electrodes in pre-designed patterns on flexible substrates by dragging material inks across a screen with meshes. The typical thickness of screen-printed film is about 10 µm. [25][26][27] The screen printing process is

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“…In contrast, inkjet printing is being widely adopted to fabricate electronic devices in a digital noncontact mode that allows for printing on large areas and on a variety of substrates with low wastage of materials, thus, rendering it cost effective, facile, and scalable. − In the case of all-solid-state batteries (ASSB), electrolyte/electrode interfaces are very critical toward the functionalities, and to achieve the desired electrolyte/electrode interface characteristics, either high pressure or a combination of high pressure and temperature needs to be applied. Therefore, inkjet printing, which can be performed at relatively low temperatures and ambient pressure, can play a major role in the fabrication of ASSBs by printing both the solid electrolyte and the active electrode (especially for thin ASSBs and micro ASSBs), thus helping address the problems associated with the interfaces and degradation during high-temperature processing. − Furthermore, additive manufacturing techniques, such as direct ink writing and stereolithography, have been used to develop electrodes for LIBs. , The inkjet-printing method has been successfully used to fabricate SnO 2 , Li 4 TiO 12 , and Si-based thin films as negative electrodes for flexible LIBs .…”

Section: Introductionmentioning

confidence: 99%

Inkjet-Printed Environmentally Friendly Graphene Film for Application as a High-Performance Anode in Li-Ion Batteries

Kushwaha

Jangid

Bhatt

et al. 2021

ACS Appl. Energy Mater.

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We report here the fabrication of large-area continuous graphene films on different substrates via inkjet printing using “solvent-exfoliated” graphene nanosheets and associated printable ink prepared with the nanosheets in “green solvent” (i.e., ethanol) and ethyl-cellulose (as a stabilizer). The printed film was thermally annealed in Ar to improve the electrical conductivity and embed well-defined porosity. Sheet resistance decreased with an increase in the number of printed layers, attaining a low value of ∼0.15 kΩ/sq after 8 printing cycles. When printed on Cu foil and directly tested as a potential anode for Li-ion batteries, a high reversible Li storage capacity of ∼942 mAh/g could be obtained at 0.1C based on dual contributions from “classical” Li-intercalation/deintercalation and surface charge storage. The nanoscaled dimension and porous nature aided the latter, which also resulted in good rate capability, leading to ∼40% of the above reversible capacity at 5C. Furthermore, the electrode could retain ∼87% of the initial reversible capacity after 100 cycles, even at a fairly high current density equivalent to 2C. Overall, the inkjet-printed graphene film, by itself, is a promising anode for Li-ion batteries, with the development likely to aid a variety of important applications, including flexible devices and energy storage systems.

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Recent advances and prospects of inkjet printing in heterogeneous catalysis

Abstract: This review provides an insight into inkjet printing technology in the context of heterogeneous catalysis.

Cited by 45 publications

References 145 publications

Performance Enhancement of Inkjet Printed Multi‐Walled Carbon Nanotubes Inks using Synthetic and Green Surfactants

Performance Enhancement of Inkjet Printed Multi‐Walled Carbon Nanotubes Inks using Synthetic and Green Surfactants

Recent Developments of Inkjet‐Printed Flexible Energy Storage Devices

Inkjet-Printed Environmentally Friendly Graphene Film for Application as a High-Performance Anode in Li-Ion Batteries

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