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Non-conjugate ionic polymer solar batteries and preparation method thereof

A technology of ionic polymers and solar cells, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as reducing device stability and life, battery efficiency, and poor interface contact, so as to improve work function and stability properties, good hole-transporting ability

Inactive Publication Date: 2014-09-03
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the traditional forward structure polymer solar cell structure, PEDOT:PSS will corrode the ITO in contact with it, reducing the stability and life of the device.
In the reverse structure polymer solar cell structure, PEDOT:PSS is also difficult to attach to the surface of most photoelectric active layers, resulting in poor interface contact and decreased cell efficiency.

Method used

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  • Non-conjugate ionic polymer solar batteries and preparation method thereof
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  • Non-conjugate ionic polymer solar batteries and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The transparent conductive glass substrate 1 sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen gas. The transparent conductive glass substrate 1 of indium tin oxide (ITO) is processed in ultraviolet ozone surface treatment equipment (UVO), and under the rotating speed of 1000rpm, the mass fraction of Nafion spin-coated on indium tin oxide (ITO) is 0.25% Nafion's water-ethanol (volume ratio of water and ethanol is 1:1) solution, placed in the air at room temperature for 25 minutes, dried in the air at 60°C for 10 minutes, and then baked and cured at 100°C for 5 minutes , cooled naturally to obtain the anode modification layer 3 . Then P3HT at a total concentration of 20 mg / mL was mixed with PC 60 BM (P3HT and PC 60 A mixed solution with a mass ratio of BM of 1:1) was directly spin-coated on the above-mentioned anode modification layer 3 at a ro...

Embodiment 2

[0039]The transparent conductive glass substrate 1 sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen gas. The transparent conductive glass substrate 1 of indium tin oxide (ITO) is processed in the ultraviolet ozone surface treatment equipment (UVO), and under the rotating speed of 1000rpm, the mass fraction of spin-coating Nafion on indium tin oxide (ITO) is 0.25% Nafion's water-ethanol (volume ratio of water and ethanol is 1:1) solution, placed in the air at room temperature for 25 minutes, dried in the air at 60°C for 10 minutes, and then baked and cured at 150°C for 5 minutes , cooled naturally to obtain the anode modification layer 3 . Then P3HT at a total concentration of 20 mg / mL was mixed with PC 60 BM (P3HT and PC 60 A mixed solution with a mass ratio of BM of 1:1) was directly spin-coated on the above-mentioned anode modification layer 3 at ...

Embodiment 3

[0041] The transparent conductive glass substrate 1 sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen gas. The transparent conductive glass substrate 1 of indium tin oxide (ITO) is processed in the ultraviolet ozone surface treatment equipment (UVO), and under the rotating speed of 1000rpm, the mass fraction of spin-coating Nafion on indium tin oxide (ITO) is 0.25% Nafion's water-ethanol (volume ratio of water and ethanol is 1:1) solution, placed in the air at room temperature for 25 minutes, dried in the air at 60°C for 10 minutes, and then baked and cured at 200°C for 5 minutes , cooled naturally to obtain the anode modification layer 3 . Then P3HT at a total concentration of 20 mg / mL was mixed with PC 60 BM (P3HT and PC 60 A mixed solution with a mass ratio of BM of 1:1) was directly spin-coated on the above-mentioned anode modification layer 3 at...

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Abstract

The invention belongs to the technical field of polymer solar batteries, and particularly relates to non-conjugate ionic polymer solar batteries and a preparation method thereof. The polymer solar battery of a forward direction structure comprises a substrate, a transparent conductive metal oxide electrode layer, an anode modification layer, a photoelectric active layer, a cathode modification layer and a metal electrode layer, wherein the substrate, the transparent conductive metal oxide electrode layer, the anode modification layer, the photoelectric active layer, the cathode modification layer and the metal electrode layer are stacked in sequence. The polymer solar battery of a reverse direction structure comprises a substrate, a transparent conductive metal oxide electrode layer, a cathode modification layer, a photoelectric active layer, an anode modification layer and a metal electrode layer, wherein the substrate, the transparent conductive metal oxide electrode layer, the cathode modification layer, the photoelectric active layer, the anode modification layer and the metal electrode layer are sequentially stacked. The anode modification layers are made of Nafion, can be prepared by the adoption of a spin coating method and are introduced to the polymer solar batteries, so that effective collection and transmission of holes are achieved, and stability and applicability of the holes in the polymer solar batteries are promoted to a great extent.

Description

technical field [0001] The invention belongs to the technical field of polymer solar cells, in particular to a non-conjugated ionic polymer solar cell and a preparation method thereof. Background technique [0002] Organic polymer thin film solar cells, which have emerged in recent years, have attracted much attention due to their low cost of material synthesis and device fabrication, easy modulation of functions and structures, good flexibility and film formation, and simple manufacturing processes. In the traditional forward structure bulk heterojunction polymer solar cells, due to the low work function (4.7eV) of the anode ITO, it cannot match the highest occupied molecular orbital energy level (about 5.0eV) of most conjugated polymer photovoltaic materials. Matching, PEDOT:PSS is commonly used as an anode modification layer to improve the work function of the anode, thereby increasing the hole collection ability. However, PEDOT:PSS will corrode the ITO in contact with i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/46H01L51/48
CPCY02E10/549H10K71/12H10K85/151H10K30/20H10K30/81
Inventor 谭占鳌侯旭亮孙刚屠逍鹤林俊
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)