Direct Deposition of Aligned Single Walled Carbon Nanotubes by Fountain Pen Nanolithography

Strain, Kirsten M.; Yeshua, Talia; Gromov, Andrey; Nerushev, Oleg; Lewis, Aaron; Campbell, Eleanor E. B.

doi:10.1166/mex.2011.1044

Cited by 3 publications

(6 citation statements)

References 9 publications

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“…CNTs will also self‐align if the patterned lines are thinner than the average length of the CNTs (Section 2.4.3). [ 2d,207 ] Baba et al. first demonstrated DPN patterning of CNTs, creating SWCNT lines with width down to 100 nm.…”

Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

“…also reported using fountain‐pen nanolithography to deposit surfactant/SWCNT ink dispersions. [ 207a ] However, they required SAM‐functionalized substrates to attract and adhere the SWCNTs from the ink dispersions. Yeshua et al.…”

Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

“…improved the fountain‐pen technique, using an aqueous dispersion of SC‐dispersed SWCNTs as the ink, and depositing onto substrates without modification ( Figure a). [ 207b ] They also investigated many writing parameters to determine the optimal conditions, allowing them to pattern aligned, conductive SWCNT lines with 10–200 nm width and 0.5–8 µm s −1 writing speed (Figure 9b). Washing the substrate after drying the ink for 3 h to 4 days removes much surfactant and leaves behind SWCNTs in the line pattern, although it is not known how many SWCNTs were also removed (Figure 9c,d).…”

Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

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Nanoscale Patterning of Carbon Nanotubes: Techniques, Applications, and Future

Corletto

Shapter

2020

Advanced Science

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Carbon nanotube (CNT) devices and electronics are achieving maturity and directly competing or surpassing devices that use conventional materials. CNTs have demonstrated ballistic conduction, minimal scaling effects, high current capacity, low power requirements, and excellent optical/photonic properties; making them the ideal candidate for a new material to replace conventional materials in next-generation electronic and photonic systems. CNTs also demonstrate high stability and flexibility, allowing them to be used in flexible, printable, and/or biocompatible electronics. However, a major challenge to fully commercialize these devices is the scalable placement of CNTs into desired micro/nanopatterns and architectures to translate the superior properties of CNTs into macroscale devices. Precise and high throughput patterning becomes increasingly difficult at nanoscale resolution, but it is essential to fully realize the benefits of CNTs. The relatively long, high aspect ratio structures of CNTs must be preserved to maintain their functionalities, consequently making them more difficult to pattern than conventional materials like metals and polymers. This review comprehensively explores the recent development of innovative CNT patterning techniques with nanoscale lateral resolution. Each technique is critically analyzed and applications for the nanoscale-resolution approaches are demonstrated. Promising techniques and the challenges ahead for future devices and applications are discussed.

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Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

Section: Patterning From Cnt Dispersionsmentioning

confidence: 99%

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Nanoscale Patterning of Carbon Nanotubes: Techniques, Applications, and Future

Corletto

Shapter

2020

Advanced Science

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“…Fountain pen nanochemistry was first demonstrated by etching a 16 μm long, 1.5 μm wide, and 200 nm deep trench in a chrome layer within 40 s at room temperature [26]. Electrophoretic protein printing [70], printing of protein array [71,72], deposition of single walled carbon nanotube [73], polymer lenses [74], molecularly imprinted microstructures [75,76] were also demonstrated using this technique. One of the challenges of this technique is the reproducibility in making the pens and their arrays for high throughput applications.…”

Section: Nano Fountain Pen (Nfpen)mentioning

confidence: 99%

Scanning Probe Microscope-Based Fluid Dispensing

et al. 2014

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Advances in micro and nano fabrication technologies have enabled fabrication of smaller and more sensitive devices for applications not only in solid-state physics but also in medicine and biology. The demand for devices that can precisely transport material, specifically fluids are continuously increasing. Therefore, integration of various technologies with numerous functionalities in one single device is important. Scanning probe microscope (SPM) is one such device that has evolved from atomic force microscope for imaging to a variety of microscopes by integrating different physical and chemical mechanisms. In this article, we review a particular class of SPM devices that are suited for fluid dispensing. We review their fabrication methods, fluid-pumping mechanisms, real-time monitoring of dispensing, physics of dispensing, and droplet characterization. Some of the examples where these probes have already been applied are also described. Finally, we conclude with an outlook and future scope for these devices where femtolitre or smaller volumes of liquid handling are needed.

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“…Initial experiments 34 indicated that FPN could deposit aligned SWCNT structures. In the present report these initial studies have been advanced in many directions in order to make the writing of SWCNTs a general tool in nanotechnology.…”

mentioning

confidence: 99%

Nanodrawing of Aligned Single Carbon Nanotubes with a Nanopen

et al. 2016

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Single-walled carbon nanotubes (SWCNTs) are considered pivotal components for molecular electronics. Techniques for SWCNT lithography today lack simplicity, flexibility, and speed of direct, oriented deposition at specific target locations. In this paper SWCNTs are directly drawn and placed with chemical identification and demonstrated orientation using fountain pen nanolithography (FPN) under ambient conditions. Placement across specific electrical contacts with such alignment is demonstrated and characterized. The fundamental basis of the drawing process with alignment has potential applications for other related systems such as inorganic nanotubes, polymers, and biological molecules.

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Direct Deposition of Aligned Single Walled Carbon Nanotubes by Fountain Pen Nanolithography

Cited by 3 publications

References 9 publications

Nanoscale Patterning of Carbon Nanotubes: Techniques, Applications, and Future

Nanoscale Patterning of Carbon Nanotubes: Techniques, Applications, and Future

Scanning Probe Microscope-Based Fluid Dispensing

Nanodrawing of Aligned Single Carbon Nanotubes with a Nanopen

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