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Polyoxometallate-based composite film

A polyoxometalate and composite thin film technology, applied in photovoltaic power generation, electrical components, circuits, etc., can solve the problems of difficult to achieve green environmental protection, high price, etc., achieve good photoelectric response, easy operation, and uniform film formation Effect

Inactive Publication Date: 2014-10-22
NORTHEAST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The raw materials used are not only expensive, but also organic solvents such as chlorobenzene and dichlorobenzene are often used in the production process, which is difficult to meet the requirements of environmental protection

Method used

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  • Polyoxometallate-based composite film
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  • Polyoxometallate-based composite film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] will {W 72 V 30} Dissolve in water to prepare a 0.5mmol / L aqueous solution, adjust the pH of the solution to 2 with sulfuric acid, dissolve the water-soluble PPV derivative P2 in water, and prepare a 0.3mg / mL aqueous solution. Soak the ITO substrate in the piranha solution for 20 minutes, take it out, rinse it with deionized water, blow it dry with nitrogen, then soak it in 0.25mg / mL PEI solution for 20 minutes, take it out, rinse it with deionized water, blow it dry with nitrogen Dry, get a pre-treated substrate.

[0035] Soak the treated substrate in {W 72 V 30} in the aqueous solution for 20 minutes, take it out, rinse it with deionized water, dry it with nitrogen gas, then soak it in the P2 aqueous solution for 20 minutes, take it out, rinse it with deionized water, and blow it dry with nitrogen gas. In this way, the substrates are adsorbed on {W 72 V 30} and P2, repeated 5 times to prepare polyoxometalate-based composite films.

[0036] With the composite th...

Embodiment 2

[0038] will {W 72 V 30} Dissolve in water to prepare a 0.5mmol / L aqueous solution, adjust the pH of the solution to 2 with sulfuric acid, dissolve the water-soluble PPV derivative P2 in water, and prepare a 0.3mg / mL aqueous solution. Soak the ITO substrate in the piranha solution for 20 minutes, take it out, rinse it with deionized water, blow it dry with nitrogen, then soak it in 0.25mg / mL PEI solution for 20 minutes, take it out, rinse it with deionized water, blow it dry with nitrogen Dry, get a pre-treated substrate.

[0039] Soak the treated substrate in {W 72 V 30} in the aqueous solution for 20 minutes, take it out, rinse it with deionized water, dry it with nitrogen gas, then soak it in the P2 aqueous solution for 20 minutes, take it out, rinse it with deionized water, and blow it dry with nitrogen gas. In this way, the substrates are adsorbed on {W 72 V 30} and P2 were repeated 10 times to prepare polyoxometalate-based composite films.

[0040] With the composi...

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Abstract

The invention relates to a composite film, and specifically relates to a polyoxometallate-based composite film. According to the invention, the Keplerate type polyoxometallate and water-soluble polyphenylenevinylene derivatives are taken as raw materials, a preprocessed ITO conductive glass is taken as the substrate, and a composite film having the advantage of photoelectric response is prepared through the layer-by-layer self-assembly technology. The whole thin film preparation process adopts an aqueous solution, so the preparation process is environmental friendly and harmless, and the operation is simple and practicable. The prepared composite film shows good photoelectric response through photocurrent transient tests, and the prepared composite film is a photoelectric system having potential application foreground.

Description

technical field [0001] The invention relates to a composite film, in particular to a composite film based on polyoxometalates. Background technique [0002] In recent years, photovoltaic systems based on electron donor / acceptor materials have been a research hotspot. In 1986, Dr. Deng Qingyun took the lead in developing organic double-layer photovoltaic devices. In 1992, Professor Alan Heeger studied the photoelectric effect of the high molecular polymer poly(p-phenylene vinylene) (PPV) derivative / fullerene (C60) system, and in 1993 made the corresponding photovoltaic device. In the following two decades, this field has attracted the interest of a large number of scientists, and a series of photovoltaic systems with good photoelectric conversion performance have been developed. However, in the electron donor / acceptor photovoltaic systems reported today, the electron donors are mostly oil-soluble polythiophenes and poly(p-phenylene vinylene derivatives), and the electron ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/46
CPCH10K71/12H10K85/111Y02E10/549
Inventor 王恩波金戈陈维林王诗铭
Owner NORTHEAST NORMAL UNIVERSITY
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