Flexible organic/polymer solar cell and preparation method thereof

A solar cell and polymer technology, which is applied in semiconductor/solid-state device manufacturing, circuits, electrical components, etc., can solve problems such as difficulty in realizing high-efficiency flexible organic polymer solar cells, unfavorable large-scale industrial production, etc., and achieve the effect of improving performance.

Inactive Publication Date: 2012-12-12
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the general flexible substrate can withstand a temperature of 150°C, it is difficult to realize high-efficiency flexible organic polymer solar cells using traditional processes, which is not conducive to large-scale industrial production.

Method used

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  • Flexible organic/polymer solar cell and preparation method thereof
  • Flexible organic/polymer solar cell and preparation method thereof
  • Flexible organic/polymer solar cell and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] select figure 1 In the flexible organic / polymer (polymer) solar cell device structure shown, polyethylene terephthalate is selected as the flexible substrate, and poly[9,9-dioctylfluorene-9,9-bis( N,N-Dimethylaminopropyl)fluorene] (PFN) as the cathode interface layer, benzodithiophene derivatives (PTB7) as polymer electron donor materials, carbon 70 derivatives-[6,6]-benzene Base-C71-butyric acid methyl ester (PC 71 BM) is the electron acceptor material, and the device structure is prepared as PET / ITO / PFN / PTB7:PC 71 BM / MoO 3 / Al flexible organic / polymer (polymer) solar cells, and their volt-ampere characteristic curves (such as figure 2 shown). A conventional flexible device based on a low temperature process was also prepared in the experiment as a control example. Among them, the structure of Comparative Example 1 is: PET / ITO / PEDOT:PSS / PTB7:PC 71 BM / Al, the structure of Comparative Example 2 is PET / ITO / PTB7:PC 71 BM / MoO 3 / Al.

[0062] according to figure ...

Embodiment 2

[0067] Repeat Example 1, select poly 3-hexylthiophene (P3HT) as the electron donor material in the photoactive layer 4, [6,6]-phenyl-C 61-butyric acid methyl ester (PC 61 BM) as the electron acceptor material in the photoactive layer 4, other conditions remain unchanged, and the device structure is prepared as the device structure is PET / ITO / PFN / P3HT:PC 61 BM / MoO 3 / Al flexible organic / polymer (polymer) solar cells. A conventional flexible device based on a low temperature process was also prepared in the experiment as a control example. Wherein, the structure of comparative example 1 is: PET / ITO / PEDOT:PSS / P3HT:PC 61 BM / Al, the structure of Comparative Example 2 is PET / ITO / P3HT:PC 61 BM / MoO 3 / Al). The volt-ampere characteristic curves of various devices were measured under AM 1.5 G simulated sunlight with an irradiance of 1000 watts / square meter, such as image 3 Experiment shown. The performance results of the devices are listed in Table 3.

[0068] It can be seen t...

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Abstract

The invention provides a flexible organic / polymer solar cell and a preparation method thereof. The flexible organic / polymer solar cell is formed by a flexible substrate, a cathode, a cathode interface layer, an optical active layer, an anode interface layer and an anode sequentially in a stacking mode. The flexible organic / polymer solar cell is characterized in that the flexible substrate is used, the cathode interface layer is arranged between the cathode and the optical active layer, the cathode interface layer is composed of conjugated polymers of polar units containing polar groups or ionic groups or is composed of corresponding polyelectrolyte of the cathode interface layer, and the cathode interface layer is formed by a method of spin coating, brush coating, spray coating, dip coating, roller coating, silk-screen printing, printing or ink-jet printing. According to the flexible organic / polymer solar cell and the preparation method, the performance of the flexible organic / polymer solar cell as well as the stability and the life of a device of the solar cell are greatly improved, a solution processing technology and a low-temperature processing technology are adopted, preparation technologies are simple, the large-area batch production can be achieved, and the manufacturing cost is low.

Description

Technical field [0001] Background technique [0002] [0003] [0004] [0005] [0006] [0007] [0008] [0009] Invention content [0010] [0011] [0012] [0013] [0014] [0015] [0016] [0017] R 1 R 2 [0018] R 1 R 2 [0019] R 1 R 2 [0020] R 1 [0021] [0022] R 3 R 4 1 20 [0023] R 3 R 4 1 20 [0024] R 3 R 4 1 20 [0025] R 3 1 20 [0026] [0027] It It It [0028] 5 R 6 R 7 R 8 1 ~ C 10 Alkyl group. [0029] It It [0030] It It It [0031] It It It [0032] It It It It [0033] 9 R 10 1 ~ C 10 Alkyl group. [0034] Silole derivative: It It It [0035] Among them, x is sulfur (s) or selenium (SE), R 11 R 12 -The H or C 1 ~ C 10 Alkyl, or phenyl group. [0036] The above -mentioned flexible organic / polymer solar cell, the light activity layer may be conjugated polymer (polyphenolonene and its derivatives, polyethylene B and its derivatives, polychida and its derivatives, polykazole, polycholeAnd its ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/56
Inventor 吴宏滨赵宝锋何志才曹镛
Owner SOUTH CHINA UNIV OF TECH
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