An apparatus and method for printing and manufacturing off-substrate nanowires
A technology for printing and manufacturing nanowires, applied in the fields of manufacturing tools, additive manufacturing, additive processing, etc., can solve the problems of the influence of nanostructure performance, complex hydrothermal process, complex processing steps, etc., to achieve rapid manufacturing and low equipment cost , the effect of simple process
Active Publication Date: 2022-06-17
NINGBO UNIV
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Problems solved by technology
However, these methods often involve complex processing steps that are time-consuming and expensive
The hydrothermal method is a common method for efficiently preparing vertical nanowire arrays. Combined with reasonable micro-nano operations, vertical nanowires can be prepared into off-substrate nanowires. However, the hydrothermal method is complex and requires strict control of process parameters. In addition, the preparation process High temperature will have a certain impact on the performance of nanostructures
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[0023] The specific embodiments of the present invention will be described in detail below with reference to the technical solutions and the accompanying drawings. see Figure 1 to Figure 4 .
[0024]This embodiment discloses a printing and manufacturing device for de-substrate nanowires, and the device specifically includes a printing and manufacturing module, a laser cutting module and a receiving and transferring module. The device uses the electro-jet printing technology to prepare two three-dimensional viscous supports with a certain distance on the substrate, and adjusts the printing parameters to obtain a nano-scale high-viscosity continuous jet that is much smaller than the inner diameter of the needle. Under the action of gravity, etc., it is placed on two three-dimensional viscous supports at a certain speed, and the high-viscosity continuous jet is fully bonded and cured with the three-dimensional viscous supports to obtain a nano simply supported beam, and the upp...
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The invention belongs to the field of advanced manufacturing technology, and relates to a printing and manufacturing device and method for off-substrate nanowires, in which two three-dimensional viscous supports with a certain distance are printed on the substrate by jets ejected based on the electrohydrodynamic effect, Then print the nanoscale high-viscosity continuous jet on the three-dimensional viscous support. The nano-scale high-viscosity continuous jet is fully bonded and solidified with the three-dimensional viscous support to form a nano-simple beam. Two high-power density laser beams are used to cut the nano-scale. The branch beam is used to prepare the off-substrate nanowires, and the off-substrate nanowires can be transferred to the desired structure by means of a transfer platform. The electro-fluidic printing method combined with laser cutting to manufacture off-substrate nanowires has the advantages of low equipment cost, simple process, and short processing cycle. It is a low-cost and rapid manufacturing of high-performance nanodevices based on off-substrate nanowires as the core sensing unit Provide an effective way.
Description
technical field [0001] The invention belongs to the technical field of advanced manufacturing, and relates to a printing and manufacturing device and method for removing substrate nanowires. Background technique [0002] Micro-nano structures have been extensively studied as sensing / actuating units of high-performance micro-nano devices, and are widely used in micro-nano devices such as high-sensitivity sensors, high-resolution displays / detectors, and bulk capacitors. Nanowires have outstanding properties such as high sensitivity, large specific surface area, and high crystalline quality. Nanowire-based devices exhibit remarkable exotic properties in magnetism, light, electricity, heat, force, etc., and are widely used in environmental monitoring, energy electronics, biomedical and other fields have gradually shown great application prospects. Unsubstrate nanowires can not only get more outstanding performance from the constraints of the substrate, but also can be transferr...
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IPC IPC(8): B29C69/00B29C64/112B29C64/20B33Y30/00B33Y10/00
CPCB29C69/001B29C64/112B29C64/20B33Y30/00B33Y10/00
Inventor 李凯张方圆刘涛韩小帅刘麦祺王晓英
Owner NINGBO UNIV