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Metal-organic coordination polymer film, thermoelectric device and preparation method thereof
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A technology of thermoelectric devices and thin films, which is applied in the manufacture/processing of thermoelectric devices, materials for lead-out wires of thermoelectric devices, etc., to achieve the effect of simple process and easy preparation
Active Publication Date: 2016-08-24
INST OF CHEM CHINESE ACAD OF SCI
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(O. Bubnova, Z.U. Khan, A. Malti, S. Braun, M. Fahlman, M. Berggren, X. Crispin, Nature Materials, 10 (2011) 429-433; I. Levesque, P. O. Bertrand, N. Blouin, M.Leclerc, S.Zecchin, G.Zotti, C.I.Ratcliffe, D.D.Klug, X.Gao, F.Gao, J.S.Tse, Chemistry of Materials, 19(2007) 2128-2138; D.Belo, J.Morgado, E.B. Lopes, I.C.Santos, S.Rabaca, M.T.Duarte, V.Gama, R.T.Henriques, M.Almeida, Synthetic Metals, 102 (1999) 1751-1752) There are many studies on organic thermoelectric materials, but materials with relatively high properties still less
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Embodiment 1
[0037] Embodiment 1, the preparation of the CuTCNQ thin film that arranges nanorod array neatly in large area
[0038] Cut a 2mm×5mm piece of Corning glass, wash and dry it with hydrogen peroxide:concentrated sulfuric acid (volume ratio 1:2), deionized water, ethanol, and acetone, and then coat the surface with speed at 7×10 -6Copper films with a thickness of 10nm, 20nm, 30nm, and 40nm were evaporated under Torr's vacuum; the glass sheet with copper film on the surface was transferred to a tube furnace, fixed on the inner wall of the quartz tube, and the surface of the copper film was Place about 200mg of 7,7,8,8-tetracyano-p-dimethylbenzoquinone crystals facing down, right under the copper film, and heat at a constant temperature at 140°C for 2 hours in an argon atmosphere to make 7,7,8, The 8-tetracyano-p-dimethylbenzoquinone vapor undergoes a spontaneous oxidation-reduction reaction with the copper film directly above, and a well-arranged CuTCNQ nanorod array film can be ...
Embodiment 2
[0043] Embodiment 2, preparation of Au / Cu / CuTCNQ / Au thermoelectric device
[0044] Take a 1cm×1cm Corning glass piece, wash and dry it with hydrogen peroxide:concentrated sulfuric acid (volume ratio 1:2), deionized water, ethanol, and acetone respectively, add a mask on the surface of the cleaned glass piece, and evaporate gold electrode, the thickness of the gold electrode is 50nm, and the vacuum evaporation pressure is 7×10 -6 Torr with a speed of After evaporation, cover both ends of the gold electrode with aluminum foil, and use a mask to evaporate a layer of copper film on the top of the gold electrode. The thickness of the copper film is 40nm, and the vacuum evaporation pressure is 7×10 -6 Torr with a speed of
[0045] Then follow the same steps as in Example 1 to prepare a neatly arranged CuTCNQ nanorod array film on its surface. At the same time, pre-deposit a layer of gold film with a thickness of about 100nm on the clean silicon wafer, draw a small part of the ...
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Abstract
The invention discloses a Cu-7,7,8,8-tetracyanoquinodimethane metal organic coordination polymer film as well as a preparing method and application thereof. The method comprises the following steps of evaporating a Cu film on one surface of a substrate material; fixing the substrate material of which the surface is evaporated with the Cu film on the upper part of a quartz tube of a tube furnace, wherein the surface, evaporated with the Cu film, of the substrate material is arranged downwards; placing 7,7,8,8-tetracyanoquinodimethane below the Cu film in the quartz tube, wherein under the inert atmosphere and the heating condition of 120-160 DEG C, the vapor of the 7,7,8,8-tetracyanoquinodimethane and the Cu film are subjected to redox reaction to obtain the Cu-7,7,8,8-tetracyanoquinodimethane metal organic coordination polymer film. The metal organic coordination polymer film can be used for preparing a longitudinal thermo-electric device. The preparing method is simple in process and easy for preparation, and has good application for researching the thermoelectric properties in different directions of anisotropic thermo-electric materials.
Description
technical field [0001] The invention relates to a metal-organic coordination polymer film, a thermoelectric device and a preparation method thereof, belonging to the field of organic thermoelectricity. Background technique [0002] Thermoelectric materials use the thermoelectric effect, that is, the Seebeck effect, to realize the conversion between thermal energy and electrical energy. Thermoelectric materials are mainly used in thermoelectric power generation, electric refrigeration, and various sensor devices to recover various waste heat and convert them into electrical energy. The improvement of utilization efficiency alleviates the energy crisis; at the same time, refrigeration and heating devices made of thermoelectric materials using the Peltier effect also have broad application prospects because of their characteristics of no moving parts, no noise, and no pollution. [0003] At present, the research on thermoelectric materials mainly focuses on inorganic thermoelec...
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