摘要:
A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber with the substrate together. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are entangled with each other.
摘要:
A thermionic emission device includes an insulating substrate, and one or more grids located thereon. Each grid includes a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The first and second electrode down-leads are parallel to each other. The third and fourth electrode down-leads are parallel to each other. The first and second electrode down-leads are insulated from the third and fourth electrode down-leads. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The first electrode and the second electrode are separately located and electrically connected to the first electrode down-lead and the third electrode down-lead respectively. The thermionic electron emitter includes at least one carbon nanotube wire.
摘要:
A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are joined end-to-end.
摘要:
A thermionic electron emission device includes an insulating substrate, and one or more grids located thereon. The one or more grids include(s) a first, second, third and fourth electrode down-leads located on the periphery thereof, and a thermionic electron emission unit therein. The first and second electrode down-leads are parallel to each other. The third and fourth electrode down-leads are parallel to each other. The first and second electrode down-leads are insulated from the third and fourth electrode down-leads. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The first electrode and the second electrode are separately located and electrically connected to the first electrode down-lead and the third electrode down-lead respectively. Wherein the thermionic electron emitter includes a carbon nanotube film structure.
摘要:
A method for fabricating a surface-conduction electron emitter includes the steps of: (a) providing a substrate; (b) disposing two lower layers on the surface of the substrate, the two lower layers are parallel and apart from each other; (c) disposing a plurality of carbon nanotube elements on the lower layers; (d) disposing two upper layers on the two lower layers, and thereby, sandwiching the carbon nanotube elements therebetween; and (e) forming a micro-fissure between the carbon nanotube elements.
摘要:
A heater includes a substrate, a plurality of first electrode down-leads, a plurality of second electrode down-leads and a plurality of heating units. The plurality of first electrode down-leads are located on the substrate in parallel to each other and the plurality of second electrode down-leads are located on the substrate in parallel to each other. The first electrode down-leads cross the second electrode down-leads and define a plurality of grids. One heating unit is located in each grid. Each heating unit includes a first electrode, a second electrode and a heating element. The heating element includes a carbon nanotube structure.
摘要:
An incandescent light source display includes a substrate, a plurality of first electrode down-leads, a plurality of second electrode down-leads and a plurality of heating units. The plurality of first electrode down-leads are located on the substrate in parallel to each other and the plurality of second electrode down-leads are located on the substrate in parallel to each other. The first electrode down-leads cross the second electrode down-leads and corporately define a grid having a plurality of cells. Each of the incandescent light sources is located in correspondence with each of the cells. Each incandescent light source includes a first electrode, a second electrode and an incandescent element. The incandescent element includes a carbon nanotube structure.
摘要:
A thermoacoustic device includes a substrate, at least one first electrode, at least one second electrode and a sound wave generator. The at least one first electrode and the at least one second electrode are disposed on the substrate. The sound wave generator is contacting with the at least one first electrode and the at least one second electrode. The sound wave generator is suspended on the substrate via the first electrode and the second electrode. The sound wave generator includes a carbon nanotube structure.
摘要:
A method for manufacturing a field emission element includes the following steps. The insulating substrate is provided. At least one grid, a first electrode and a second electrode are formed on the insulating substrate. The first and second electrodes are within the grid. The insulating substrate having at least one grid, the first electrode and the second electrode is covered with a carbon nanotube structure. The carbon nanotube structure includes a plurality of carbon nanotubes successively extended from the second electrode to the first electrode. The carbon nanotubes between the first electrode and the second electrode are cut to form a plurality of substantially parallel electron emitters in the at least one grid. One end of each electron emitter is electrically connected to the second electrode and opposite end of each electron emitter faces towards the first electrode.
摘要:
A field emission cathode includes a conductive substrate and a carbon nanotube film disposed on a surface of the conductive substrate. The carbon nanotube film includes a plurality of successive and oriented carbon nanotube bundles parallel to the conductive substrate, the carbon nanotubes partially extrude from the carbon nanotube film. A method for fabricating the field emission cathode includes the steps of: (a) providing a conductive substrate; (b) providing at least one carbon nanotube film, the carbon nanotube film including a plurality of successive and oriented carbon nanotube bundles joined end to end, the carbon nanotube bundles parallel to the conductive substrate, and (c) disposing the at least one carbon nanotube film to the conductive substrate to achieve the field emission cathode.