Abstract:
Poly (3,4-ethylenedioxythiophene)(PEDOT) nanowires for organic photoelectric devices and a method for controlling their optical properties are provided for minute electric components. Poly (3,4-ethylenedioxythiophene)(PEDOT) nanowires for organic photoelectric devices are electrically polymerized using ethylenedioxythiophene(EDOT) monomers. The PEDOT nanowire has a diameter of 150~250nm, a length of 10~40mum and a peak wavelength of 540~640nm. The PEDOT is doped by one or more dopants selected from the group consisting of tetrabutylammonium hexafluorophosphate(TBAPF6), tetrabutylammonium, tetrafluoroborate(TBABF4), 1-butyl-3-methylimidazolium hexafluorophosphate(BMIMPF6) and dodecylbenzene sulfonic acid(DBSA) and then dedoped by cyclicvoltammetry.
Abstract:
The present invention relates to a quantum dot blended nanowire and a method for producing the same, and provides the nanowire which includes poly(3-hexylthiophene), [6,6]-phenyl-C61-butyric acid methyl ester, and the quantum dot. The quantum dot is dispersed in the surface and the inside of the nanowire.
Abstract:
PURPOSE: A multi-layer organic based radiation barcode nano-structure on which nano-sized metal is coated, a manufacturing method thereof and a utilization method are provided to display improved photoluminescence recognition ability. CONSTITUTION: A multi-layer organic based radiation barcode nano-structure on which nano-sized metal is coated includes a plurality of organic layers and metal coated layers. The plurality of organic layers is manufactured by coping with the plurality of organic light emitting polymers. The metal coating layer protects the plurality of organic layers from outside and is coated with nano-sized metal particles. The plurality of organic layers has the nano-sized diameter and forms multi-layer organic electroluminescent nano wires by being welded to each other. A manufacturing method of the multi-layer organic base radiation barcode nano-structure comprises the following steps: providing a first polymerization solution and a second polymerization solution; dipping the nano-porous plate into a first polymerization solution in which the first current is applied; growing the first organic layer on the nano-porous carbon plate; dipping the nano-porous plate into the second polymerization solution in which the second current is applied; growing the second organic layer at one end or both ends of the firs organic layer; and forming a metal coating layer on the outside of the first and second organic layer.
Abstract:
PURPOSE: A multilayer organic light emitting barcode structure and a manufacturing method thereof are provided to recognize a barcode with luminous intensity and colors by using a nano structure of an organic nano line multilayer showing various light emitting regions. CONSTITUTION: A multilayer organic light emitting barcode nano structure(100) is formed by serially connecting a PEDOT(120) and a P3BT(110). The PEDOT and the P3BT are alternatively grown on a nano pore plate(200) and form a multilayer organic light emitting nano line with a diameter of a nano size. A nano porous aluminum oxide template is used as a nano porous plate. A nano pore diameter of the nano porous oxide aluminum template is controlled between 30 and 200 nm by anodizing aluminum.
Abstract:
PURPOSE: A metal-polymer hybrid nanoparticle, a manufacturing method thereof, a light emitting device using thereof, and a solar battery are provided to offer the energy transmission between an organic light-emitting polymer nanoparticle and a metal nanoparticle through a surface plasmon resonance. CONSTITUTION: A metal-polymer hybrid nanoparticle includes an organic light-emitting polymer nanoparticle, and a metal nanoparticle dispersed to the organic light-emitting polymer nanoparticle. A manufacturing method of the metal-polymer hybrid nanoparticle comprises the following steps: dispersing the metal nanoparticle to a first solution; dissolving the organic light-emitting polymer nanoparticle to a second solution; inserting the second solution to the first solution; and separating the metal-polymer hybrid nanoparticle from the mixed solution.
Abstract:
PURPOSE: A nanostructure, a manufacturing method thereof, and a controlling method of an electron beam for manufacturing the nanostructure are provided to use the irradiation of the electron beam for changing the physical properties. CONSTITUTION: A manufacturing method of a nanostructure(130) comprises the following steps: preparing a nanoporous template(100) with an electrode(110); filling pores of nanoporous template with a pi-conjugated luminescent polymer composition to form a pi-conjugated luminescent polymer structure(120); radiating a pre-controlled electron beam to the structure; and removing the nanoporous template.
Abstract:
A polythiophene-based polymer nanomaterial and a method of tuning the optical properties thereof are provided to obtain excellent forming property, luminescent property and field emission property for field emission element and for photoelectric element while adjusting optical properties as necessary by novel combination of raw material. A polythiophene-based polymer nanomaterial is prepared by electropolymerization of at least one monomer selected from a group consisting of thiophene, 3-methyl thiophene, 3-hexyl thiophene and 3-octyl thiophene. The polymer nanomaterial has a diameter of 150-250nm and a length of 7-30mum. The polymer nanomaterial shows maximum luminescence peak at 480-560nm. The polymer nanomaterial is doped with at least one dopent selected from a group consisting of tetrabutyl hexafluorophosphate, 1-butyl-3-methylimidazolium hexafluorophosphate, p-dodecylbenzenesulfonic acid, tetrabutylammonium tetrafluoroborate and tetrabutylammonium trifluoromethanesulfonate. A method of tuning the optical properties of the polythiophene-based polymer nanomaterial comprises steps of: (a) preparing an electrochemical polymerization solution by stirring a mixture comprising dopent and at least one monomer selected from a group consisting of thiophene, 3-methyl thiophene, 3-hexyl thiophene and 3-octyl thiophene in polar solvent; (b) depositing metal on a side of alumina template having nano-pores, followed by attaching the template to stainless electrode; (c) surrounding the alumina template with silicone tape in order to prevent the contact of the stainless electrode with the polymerization solution; (d) soaking the prepared electrode and another stainless electrode in the polymerization solution at an interval; (e) applying electric current on the both ends of the electrodes in order to polymerize the monomers in the polymerization solution with nano-material in the pores of the alumina template by electricity; and (f) removing the alumina template having the inserted nano-material selectively by NaOH concurrently with de-doping, or removing the alumina template by HF aqueous solution for subsequent de-doping.
Abstract:
A field emission display device and a manufacturing method thereof are provided to increase electrical and thermal stabilities of a metal magnetic nano wire by modifying a surface of the metal magnetic nano wire using plasma surface modification. A field emission display device includes first and second substrates(10,40), a cathode electrode(11), a metal magnetic nano-wire tip, an anode electrode(41), and a fluorescent material. Plural pixel regions are formed on the first and second substrates, which are separated from each other. The cathode electrode is laminated on the first substrate. The magnetic nano-wire tip is formed on the cathode electrode and emits electrons, when a voltage is applied thereon. The anode electrode is laminated under the second substrate. The fluorescent material is formed under the anode electrode and emits light, when collided by the electrons. The metal magnetic nano-wire tip is made by using a plasma surface modification process. The light emitted from the fluorescent material is radiated to outside through the second substrate.