Large-scale organic nanowire lithography and electronics

Abstract

Controlled alignment and patterning of individual semiconducting nanowires at a desired position in a large area is a key requirement for electronic device applications. High-speed, large-area printing of highly aligned individual nanowires that allows control of the exact numbers of wires, and their orientations and dimensions is a significant challenge for practical electronics applications. Here we use a high-speed electrohydrodynamic organic nanowire printer to print large-area organic semiconducting nanowire arrays directly on device substrates in a precisely, individually controlled manner; this method also enables sophisticated large-area nanowire lithography for nano-electronics. We achieve a maximum field-effect mobility up to 9.7 cm 2 V À 1 s À 1 with extremely low contact resistance (o5.53 O cm), even in nano-channel transistors based on single-stranded semiconducting nanowires. We also demonstrate complementary inverter circuit arrays comprising well-aligned p-type and n-type organic semiconducting nanowires. Extremely fast nanolithography using printed semiconducting nanowire arrays provide a simple, reliable method of fabricating large-area and flexible nano-electronics.

Photo-patternable and transparent films using cellulose nanofibers for stretchable origami electronics

“…To achieve this functionality, we suggest a patternable and foldable substrate using our CNF hybrid film. Although many previous studies have reported on stretchable interconnects using graphene, 35 metal nanowires, 36 metal nanofiber, 37,38 and geometrical approaches, 39 conventional electronic devices fabricated on the elastomeric substrate are easily broken because most of the semiconductor, dielectric and encapsulation materials are still brittle. Therefore, the approach using origami substrates made of strain-free rigid plates with reversibly foldable and stretchable, elastomeric joints 40 has been considered as a promising strategy for stretchable electronics.…”

Controllable Direct-Writing of Serpentine Micro/Nano Structures via Low Voltage Electrospinning

“…Additionally, unlike conventional drop-on-demand type jet printing technique [10], WDW can print the serpentine patterns in continuous jet mode. Therefore, it is believed that WDW can achieve low cost, high precision fabrication of flexible/stretchable electronics [18,32]. Moreover, we observed that the serpentine structures deposited with different parameters show different structural colors under irradiation of light.…”

“H”‐like Organic Nanowire Heterojunctions Constructed from Cooperative Molecular Assembly for Photonic Applications

“…1D nanomaterials, acting as building blocks in miniaturized optoelectronics,1 have attracted great research interests for manipulating photons at micro/nanoscale. Assembling 1D nanowires into complex heterostructures with high spatial and angular precision is critical for realizing various functional devices, including photonic routers,2 logic gates,3 modulators,4 wavelength filters,5 and multiplexers 6.…”