Abstract:
A method for transferring a carbon nanotube array is provided. A substitute substrate, a growing substrate, and a carbon nanotube array grown on the growing substrate are provided. The carbon nanotube array has a bottom surface adjacent to the growing substrate and a top surface away from the growing substrate. The substitute substrate is placed on the top surface of the carbon nanotube array and liquid medium is sandwiched between the substitute substrate and the carbon nanotube array. The liquid medium is solidified between the substitute substrate and the carbon nanotube array. The substitute substrate is separated from the growing substrate to separate the bottom surface of the carbon nanotube array from the growing substrate. The solid medium is removed between the substitute substrate and the carbon nanotube array. A method for forming a carbon nanotube structure is also provided.
Abstract:
A optical microscopy vapor-condensation-assisted device comprises an air blowing device, a vapor producing device and a guide pipe connected with each other in seal. One end of the vapor producing device is connected to the air blowing device, another end of the vapor producing device is connected to the guide pipe. The vapor producing device produces vapor. The air blowing device blows air through the vapor producing device into the guide pipe.
Abstract:
An electric heater includes a base, a bracket, a working head and a protecting structure. The bracket is disposed on the base. The working head is disposed on the bracket. The working head includes a supporter and a heating module. The heating module is disposed on the supporter. The heating module includes a heating element and at least two electrodes. The at least two electrodes are electrically connected with the heating element. The heating element includes a carbon nanotube layer structure. The protecting structure covers the heating module.
Abstract:
A reactor includes a reactor chamber and a substrate. The reactor chamber having an inlet and an outlet. The hollow structure is received in the reactor chamber, wherein the hollow structure includes a sidewall, a bottom, and a opening opposite to the bottom, the sidewall defines a number of apertures, gases in the reactor chamber flow penetrate the hollow structure through the number of apertures.
Abstract:
A method for making a transparent conductive element includes providing a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotube wires in parallel with and spaced from each other and a number of carbon nanotubes in contact with adjacent two of the carbon nanotube wires. The carbon nanotube film is placed on a surface of a softened polymer substrate. The polymer substrate and the carbon nanotube film are stretched. The softened polymer substrate is solidified to maintain the stretched state of the carbon nanotube film.
Abstract:
An earphone includes a loudspeaker, a signal process, an audio signal input port, and a driving port. The loudspeaker includes a thermoacoustic device disposed in a housing. The signal processor is electrically connected to the loudspeaker to provide signal to the loudspeaker. The audio input port is electrically connected to the signal processor to provide audio signal. The driving port is electrically connected to the signal processor to provide driving signal. The thermoacoustic device includes a substrate, and the substrate defines a number of grooves, a sound wave generator is suspended on the grooves.
Abstract:
An anode of a lithium battery includes a carbon nanotube film structure and an anode active material. The carbon nanotube film structure includes a number of carbon nanotubes joined by van der Waals force therebetween. The anode active material is located on surface of the carbon nanotubes to form a tubular structure.
Abstract:
A method for making superconducting wire is provided. A drawn carbon nanotube film is pulled out from a carbon nanotube array. The drawn carbon nanotube film is placed spaced from and opposite to a number of superconducting preforms on a carrier. The superconducting preforms are moved from the carrier onto the drawn carbon nanotube film by applying an electric field between the drawn carbon nanotube film and the carrier. A composite wire is made by twisting the drawn carbon nanotube film with the superconducting preforms thereon. Finally, the composite wire is sintered.
Abstract:
A method for making a carbon nanotube composite preform includes following steps. A substrate is provided. Carbon nanotubes are formed on the substrate. The carbon nanotubes and the substrate are placed in a solvent for a predetermined time. The carbon nanotubes and the substrate are drawn from the solvent. The carbon nanotubes and the substrate are dried.
Abstract:
The present disclosure relates to a carbon nanotube structure. The carbon nanotube structure includes a carbon nanotube array, a carbon nanotube layer located on one side of the carbon nanotube array, and a carbon nanotube cluster between the carbon nanotube array and the carbon nanotube layer. The carbon nanotube array includes a number of first carbon nanotubes that are parallel with each other. The carbon nanotube layer includes a number of second carbon nanotubes. The carbon nanotube cluster includes a plurality of third carbon nanotubes that are entangled around both the plurality of first carbon nanotubes and the plurality of second carbon nanotubes.