Abstract: A method of making a photodetector includes: providing a substrate and forming an interdigital electrode layer on a surface of the substrate; and forming a photoactive layer on a surface of the interdigital electrode layer.

Abstract: A method for forming an organic thin film solar battery includes steps of: providing a substrate and an evaporating source; forming a first electrode on a surface of the substrate; spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and forming a second electrode on a surface of the photoactive layer.

Abstract: A method for forming an organic light emitting diode is provided. A substrate and an evaporating source are provided. A first electrode is formed on a surface of the substrate. The evaporating source is spaced from the first electrode. The carbon nanotube film structure is heated to gasify an organic light emitting material and form an organic light emitting layer on a surface of the first electrode. A second electrode is formed on a surface of the organic light emitting layer.

Abstract: A method of making a photodetector includes: providing a substrate and forming an interdigital electrode layer on a surface of the substrate; and forming a photoactive layer on a surface of the interdigital electrode layer.

Abstract: A photodetector includes a substrate, an interdigital electrode layer and a photoactive layer. The interdigital electrode layer is located or sandwiched between the substrate and the photoactive layer. The interdigital electrode layer includes a first interdigital electrode and a second interdigital electrode. The first interdigital electrode and the second interdigital electrode are spaced from and staggered with each other.

Abstract: A method for forming an organic light emitting diode array is provided. A substrate is provided. A plurality of first electrodes is formed on a substrate surface. A patterned mask layer is disposed on the substrate surface to cover the substrate and expose at least a portion of each first electrode. An evaporating source is provided. The evaporating source comprises a carbon nanotube film structure and an organic semiconductor material. The evaporating source is spaced from the plurality of first electrodes. The carbon nanotube film structure is heated to gasify the organic light emitting material and form a plurality of organic light emitting layers on a exposed surface of the plurality of first electrodes. A plurality of second electrodes are formed on a surface of the plurality of organic light emitting layers. The patterned mask layer is removed to form an organic light emitting diode array.

Abstract: A photodetector includes a substrate, an interdigital electrode layer and a photoactive layer. The interdigital electrode layer is located or sandwiched between the substrate and the photoactive layer. The interdigital electrode layer includes a first interdigital electrode and a second interdigital electrode. The first interdigital electrode and the second interdigital electrode are spaced from and staggered with each other.

Abstract: A method for forming an organic thin film transistor is provided. An interdigital electrode layer is located on a surface of the insulating substrate. An organic semiconductor layer is formed on a surface of the interdigital electrode layer. An insulating layer is located to cover the organic semiconductor layer. A gate electrode is formed on the insulating layer. A method for forming the organic semiconductor layer is provided. An evaporating source is provided, and the evaporating source and the interdigital electrode layer are spaced from each other. The carbon nanotube film structure is heated to gasify an organic semiconductor material to form the organic semiconductor layer on an interdigital electrode layer surface.

Abstract: A method for forming an organic light emitting diode array is provided. A substrate is provided. A plurality of first electrodes is formed on a substrate surface. A patterned mask layer is disposed on the substrate surface to cover the substrate and expose at least a portion of each first electrode. An evaporating source is provided. The evaporating source comprises a carbon nanotube film structure and an organic semiconductor material. The evaporating source is spaced from the plurality of first electrodes. The carbon nanotube film structure is heated to gasify the organic light emitting material and form a plurality of organic light emitting layers on a exposed surface of the plurality of first electrodes. A plurality of second electrodes are formed on a surface of the plurality of organic light emitting layers. The patterned mask layer is removed to form an organic light emitting diode array.

Abstract: A method for forming an organic thin film transistor is provided. An interdigital electrode layer is located on a surface of the insulating substrate. An organic semiconductor layer is formed on a surface of the interdigital electrode layer. An insulating layer is located to cover the organic semiconductor layer. A gate electrode is formed on the insulating layer. A method for forming the organic semiconductor layer is provided. An evaporating source is provided, and the evaporating source and the interdigital electrode layer are spaced from each other. The carbon nanotube film structure is heated to gasify an organic semiconductor material to form the organic semiconductor layer on an interdigital electrode layer surface.

Abstract: A thermoacoustic device includes a substrate, a first electrode and a second electrode, at least two supporting members, and a first carbon nanotube film. The substrate includes a surface. The first electrode and the second electrode are located on the surface of the substrate and spaced from each other. The at least two supporting members are spaced from each other and respectively located on surfaces of the first electrode and the second electrode. The at least two supporting members include a plurality of carbon nanotubes parallel with each other and substantially perpendicular to the surface of the substrate. The first carbon nanotube film is supported by the at least two supporting members and has a portion between the at least two supporting members suspended above the substrate. The supporting members electrically connect the first carbon nanotube film with the first electrode and the second electrode.

Abstract: A method for forming an organic light emitting diode is provided. A substrate and an evaporating source are provided. A first electrode is formed on a surface of the substrate. The evaporating source is spaced from the first electrode. The carbon nanotube film structure is heated to gasify an organic light emitting material and form an organic light emitting layer on a surface of the first electrode. A second electrode is formed on a surface of the organic light emitting layer.

Abstract: A method for forming an organic thin film solar battery includes steps of: providing a substrate and an evaporating source; forming a first electrode on a surface of the substrate; spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and forming a second electrode on a surface of the photoactive layer.

Abstract: A thermoacoustic device includes a base, a first electrode and a second electrode, at least two supporting members, and a first carbon nanotube film. The base includes a surface. The first electrode and the second electrode are located on the surface of the base and spaced from each other. The at least two supporting members are spaced from each other and respectively located on surfaces of the first electrode and the second electrode. The at least two supporting members include a plurality of carbon nanotubes parallel with each other and substantially perpendicular to the surface of the base. The first carbon nanotube film is supported by the at least two supporting members and has a portion between the at least two supporting members suspended above the base. The supporting members electrically connect the first carbon nanotube film with the first electrode and the second electrode.

Abstract: A thermoacoustic device includes a substrate, a first electrode and a second electrode, at least two supporting members, and a first carbon nanotube film. The substrate includes a surface. The first electrode and the second electrode are located on the surface of the substrate and spaced from each other. The at least two supporting members are spaced from each other and respectively located on surfaces of the first electrode and the second electrode. The at least two supporting members include a plurality of carbon nanotubes parallel with each other and substantially perpendicular to the surface of the substrate. The first carbon nanotube film is supported by the at least two supporting members and has a portion between the at least two supporting members suspended above the substrate. The supporting members electrically connect the first carbon nanotube film with the first electrode and the second electrode.

Abstract: A method for making a carbon nanotube structure includes providing a substitute substrate, a growing substrate, and a carbon nanotube array, the carbon nanotube array grown on the growing substrate. A carbon nanotube structure can be drawn from the carbon nanotube array. The carbon nanotube structure includes carbon nanotube segments joined end-to-end. The carbon nanotube array is transferred from the growing substrate onto the substitute substrate. During transfer, structural integrity of the carbon nanotube array is maintained. The carbon nanotube structure is drawn from the carbon nanotube array transferred onto the substitute substrate.

Abstract: A method for transferring a carbon nanotube array includes providing a substitute substrate, a growing substrate, and a carbon nanotube array. The carbon nanotube array is grown on the growing substrate. A carbon nanotube structure can be drawn from the carbon nanotube array. The carbon nanotube structure includes carbon nanotube segments joined end-to-end. The carbon nanotube array is transferred from the growing substrate onto the substitute substrate. During transfer, the structural integrity of the carbon nanotube array is maintained.

Abstract: A vacuum evaporating source comprises an evaporating material and a carbon nanotube film structure. The evaporating material is located on a carbon nanotube film structure surface. The carbon nanotube film structure is a carrying structure for the evaporating material.

Abstract: A vacuum evaporation apparatus comprises a carbon nanotube film structure within an evaporating source, a depositing substrate, a vacuum room, and an electromagnetic signal input device. The evaporating source and the depositing substrate are located in the vacuum room. The depositing substrate and the evaporating source are faced to and spaced from each other. The evaporating source includes an evaporating material, a carbon nanotube film structure, a first electrode, and a second electrode. The carbon nanotube film structure is a carrier to carrying the evaporating material. The evaporating material is located on a surface of the carbon nanotube film structure. The electromagnetic signal input device inputs an electromagnetic signal to the carbon nanotube film structure.

Abstract: A vacuum evaporation apparatus comprises a carbon nanotube film structure within an evaporating source, a depositing substrate, and a vacuum room. The evaporating source and the depositing substrate are located in the vacuum room. The depositing substrate and the evaporating source are faced to and spaced from each other. The evaporating source includes an evaporating material, a carbon nanotube film structure, a first electrode, and a second electrode. The first electrode and the second electrode are spaced from each other and electrically connected to the carbon nanotube film structure. The carbon nanotube film structure is a carrier to carrying the evaporating material. The evaporating material is located on a surface of the carbon nanotube film structure.