NOVELTY - Organic optoelectronical device comprises: a substrate, a first electrode layer and a second electrode layer.    USE - The organic optoelectronical device is useful for preparing organic field-effect tube (claimed) for electron transmission or excition separation.    ADVANTAGE - The device has the function of electron transmission or excition separation, can increase the internal electron mobility or excition separation efficiency of device, improve the photo-electricity or electricity-photo conversion efficiency, and prolong the service live of device.    DETAILED DESCRIPTION - Organic optoelectronical device comprises: a substrate, a first electrode layer and a second electrode layer, where the first electrode layer or the second electrode layer is arranged on the surface of the substrate, a function layer is arranged between the first electrode layer and the second electrode layer, the functional layer is one or more of following layers: (a) an electronic transmission layer, a luminescent layer, a hole transmission layer; (b) an electronic donor layer, an excition generation layer, an excition separation layer, an electronic receptor layer; and (c) an insulating layer and an organic semiconductor layer; the electronic transmission layer or the electronic donor layer or the excition separation layer or the organic semiconductor layer is made from organic polymer material, the chemical structure of the organic polymer material is Formula (I).    R1-R8=substituted groups with -CnH2n+1 as a general formula;    R11-R14=substituted groups with -CnH2n+1 as a general formula;    R9-R10 groups=are identical or different, which are one or more of electronic transmission groups shown by Formulae (1-83);    R=1-30C alkyl, 2-30C alkenyl, 1-30C alkoxy, 6-30C aryl, 3-30C heteroaryl, and 1-30C heteroalkyl;    X=O, S or NR'; and    R'=1-30C alkyl, 6-30C aryl, 3-30C heteroaryl, 1-30C heteroalkyl or their combination.    INDEPENDENT CLAIMS are:    (1) a preparation method for preparing the organic electroluminescence device and the organic solar battery comprising: (a) performing an ultrasonic cleaning on the substrate using acetone, ethanol solution and deionized water, drying it wet by high pressure oxygen after cleaning; (b) placing the substrate in a vacuum evaporation chamber preparing to prepare an electrode, in which the electrode comprises a first electrode layer or a second electrode layer; (c) moving the substrate with the prepared electrode to a vacuum chamber, pre-treating it under a oxygen environment; (d) placing the pre-treated substrate in a spin coater, performing a spin coating on the organic thin film in the spin coater, spin coating the organic function layer according to the structure of device, in which the organic function layer comprises a luminescent layer or an excition generation layer, an electronic transmission layer or an electronic receptor layer, a hole transmission layer or an electronic donor layer; (e) preparing another electrode layer in a high-vacuum evaporating chamber after the organic layer spin coating; (f) packaging the made device in a glove box, in which the glove box is a N2 atmosphere; and (g) testing current-voltage-luminance characteristics and luminance spectrum parameter of organic electroluminescence device; testing current-voltage curve of the solar battery without light or in light; and    (2) a preparation method of the organic field-effect tube comprising: (a) performing an ultrasonic cleaning on the substrate using a mixture solution of sulfuric acid (H2SO4):hydrogen peroxide (H2O2)=7:3, H2O:NH3=5:1 and ultrapure water, drying it wet by high pressure nitrogen after cleaning; (b) preparing a gate electrode on the surface of substrate by a vacuum evaporating or spin coating or sputtering method; (c) etching a pattern of the gate electrode by an etching method; (d) preparing an insulating layer on the surface of the substrate coated with the gate electrode by a vacuum evaporating or spin coating or sputtering method, preparing an organic semiconductor layer by spin coating; (e) preparing a source electrode and a drain electrode on the organic semiconductor layer by a vacuum evaporating or spin coating or sputtering method; and (f) forming a source electrode and drain electrode pattern by etching.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the organic optoelectronical device.