Abstract:
A molecular electronic device with an electrode including a conductive polymer electrode layer is provided to embody reliable switching element or memory device by efficiently preventing a short-circuiting between electrodes. A molecular electronic device with an electrode including a conductive polymer electrode layer includes a first electrode(110), a functional molecular active layer(140), and a second electrode(130). The functional molecular active layer is assembled on the first electrode and includes an electric active functional group having cyclic compound. The second electrode is formed on the functional molecular active layer. The second electrode includes a conductive polymer electrode layer(122) contacting with the functional molecular active layer and a metal electrode layer(124) formed on the conductive polymer electrode layer. The functional molecular active layer is composed of a single molecular layer.
Abstract:
A compound for a molecular electronic device is provided to be properly applied to embody a fine molecular electronic device of several tens nano-meter level. A molecular electronic device is provided to show improved coverage characteristic of a molecular active layer formed by self-assembling the compound on an electrode. A compound for a molecular electronic device consists of a porphyrin disulfide compound represented by the formula(6), wherein each R1 and R2 is independently C1-20 saturated or unsaturated hydrocarbon which may be substituted or unsubstituted by F; each R', R" and R'" is independently pentyl or p-toyl; and M is Zn or Mg. A method for preparing the compound for the molecular electronic device comprises the steps of: (a) reacting a compound of H-CO-R1-Br with sodium thiosulfate pentahydrate and R2-SH in sequence to synthesize a compound of H-CO-R1-S-S-R2; (b) condensating the compound of H-CO-R1-S-S-R2, pyrrole and R-aldehyde; and (c) oxidizing the product obtained from the step(b) using DDQ(2,3-dichloro-5,6-dicyano-1,4-benzoquinone), wherein each R1 and R2 is independently C1-20 saturated or unsaturated hydrocarbon which may be substituted or unsubstituted by F; each R', R" and R'" is independently pentyl or p-toyl. A molecular electronic device comprises: a first electrode; a second electrode formed on the first electrode; a molecular active layer which is interposed between the first and second electrodes and self-assembled on the first electrode, wherein the molecular active layer consists of a mono-molecular layer which is a product obtained by self-assembling the compound for the molecular electronic device on the first electrode using a disulfide group as an anchoring group.
Abstract:
A compound for a molecular electronic device with a thiol-based anchoring group is provided to embody a molecular electronic device having a switch characteristic and a memory characteristic by forming a self-assembled molecular active layer between upper and lower electrodes. A dinitrothiophene group is prepared. An aminobenzene group is prepared into which a thiol derivative is introduced. An azo compound having an azo group is connected between the dinitrothiophene group and the aminobenzene group. The aminobenzene group into which the thiol derivative is introduced includes a disulfide group that supplies a ring structure.
Abstract:
PURPOSE: A method for fabricating a molecular electronic device is provided to improve the production efficiency by eliminating the problems caused by the defect of monolayer and the heat used in the electrode formation. CONSTITUTION: The method for fabricating a molecular electronic device comprises the steps of: (a) laminating a first electrode, an insulating layer(115b) and a second electrode(120) on a substrate(100), successively; (b) patterning the lateral sides of the first electrode, insulating layer and second electrode to expose the sections of the first and the second electrodes; and (c) forming an organic semi-conductor monolayer(140) on the exposed sections by a self-assembling method. Particularly, a protecting layer(125b) is optionally further laminated in the step (a) and the following steps are performed accordingly.
Abstract:
PURPOSE: A method for fabricating a molecular electronic device is provided to improve the production efficiency by eliminating the problems caused by the defect of monolayer and the heat used in the electrode formation. CONSTITUTION: The method for fabricating a molecular electronic device comprises the steps of: (a) laminating a first electrode, an insulating layer(115b) and a second electrode(120) on a substrate(100), successively; (b) patterning the lateral sides of the first electrode, insulating layer and second electrode to expose the sections of the first and the second electrodes; and (c) forming an organic semi-conductor monolayer(140) on the exposed sections by a self-assembling method. Particularly, a protecting layer(125b) is optionally further laminated in the step (a) and the following steps are performed accordingly.
Abstract:
PURPOSE: Provided are a compound having hole transfer/injection ability, which is excellent in adhesive ability, heat-stability, and time-stability, and an organic electroluminescent element having a self-assembled layer containing the compound, which is excellent in electrical properties and optical properties. CONSTITUTION: The compound having the hole transfer/injection ability is represented by the formula: Ar-R-SiX3 and the organic electroluminescent element contains a cathode, a hole transfer/injection layer, an organic luminescent layer, an electron transfer/injection layer, an anode, and the self-assembled layer placed between the cathode and the hole transfer/injection layer and comprising the compound represented by the formula: Ar-R-SiX3. In the formula, Ar is a functional group having the hole transfer/injection ability, wherein R1-R3 are identically or differently hydrogen atom, two aryl groups, or amine group having substituted aryl, or C1-C22 alkyl or alkoxy group, R is C1-C22 alkyl group, and X is alkoxy or halogen.
Abstract:
PURPOSE: An organic electroluminescence device and a method for manufacturing the same are provided to significantly increase aperture ratio and lengthen useful life of the device by reducing the luminous area. CONSTITUTION: An organic electroluminescence device comprises a substrate(200); a transparent electrode(211) formed on the substrate; an organic light emitting layer(212) formed on the transparent electrode; a metal electrode(213) formed on the organic light emitting layer; a first insulation layer(220) formed on the metal electrode; a gate electrode(231) formed on the first insulation layer; a second insulation layer(232) formed on the gate electrode; an organic semiconductor layer(233) formed on the second insulation layer; a source electrode(234) formed on the second insulation layer, in such a manner that the source electrode is connected to an end of the organic semiconductor layer and the metal electrode; and a drain electrode(235) formed on the second insulation layer, in such a manner that the drain electrode is connected to the other end of the organic semiconductor layer.
Abstract:
PURPOSE: Provided are bisphenylene-spirobifluorene compounds which have improved color purity and stability and excellent solubility in an organic solvent. Also, provided are a method for synthesizing the same, and electroluminescence material and element using the same. CONSTITUTION: The bisphenylene-spirobifluorene compound is represented by the formula, wherein R1 and R2 are the same or different each other, R1 and R2 are individually linear or branched C1-C22 alkyl; X1 and X2 individually contain at least one chemical element selected from the group consisting of C, O, N, S, Si and Ge; and m and n are individually integer of 1-4.