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Organic solar cell by employing PED0T:PSS doped with MXene as material of anode modification layer and preparation method thereof

An anode modification layer, solar cell technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as device performance instability, and achieve the effects of reducing interface capability, improving charge transfer efficiency, and improving photoelectric conversion efficiency.

Active Publication Date: 2019-06-18
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PEDOT:PSS has strong acidity (pH=1) and hygroscopicity, resulting in extremely unstable device performance.

Method used

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  • Organic solar cell by employing PED0T:PSS doped with MXene as material of anode modification layer and preparation method thereof
  • Organic solar cell by employing PED0T:PSS doped with MXene as material of anode modification layer and preparation method thereof
  • Organic solar cell by employing PED0T:PSS doped with MXene as material of anode modification layer and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] In Example 1, the organic solar cell device structure in which MXene doped PEDOT:PSS is the anode modification layer is: ITO / MXene:PEDOT:PSS / P3HT:PCBM / Ca / Al.

[0038] The preparation process of the above-mentioned organic solar cell is as follows:

[0039] Step 1. Ultrasonic cleaning with detergent, deionized water, acetone, absolute ethanol, and isopropanol for 20 minutes in sequence; then dry in a vacuum oven at 80°C.

[0040] Step 2, performing plasma surface treatment on the surface of the cleaned and dried anode substrate (ITO) for 5 minutes.

[0041]Step 3. Spin-coat an anode modification layer on the surface of the ITO treated in step 2; the anode modification layer is doped with MXene and PEDOT:PSS, and the doping mass percentage of MXene is 3.5%. The preparation process of the anode modification layer is as follows: first, ultrasonically disperse the MXene aqueous solution, and filter it with a 0.22 μm organic filter element; secondly, add the above-mentioned ...

Embodiment 2

[0054] In Example 2, the organic solar cell device structure in which MXene doped PEDOT:PSS is the anode modification layer is: ITO / MXene:PEDOT:PSS / P3HT:PCBM / Ca / Al.

[0055] The preparation process of the above-mentioned organic solar cell is as follows:

[0056] Step 1. Ultrasonic cleaning with detergent, deionized water, acetone, absolute ethanol, and isopropanol for 20 minutes in sequence; then dry in a vacuum oven at 80°C.

[0057] Step 2, performing plasma surface treatment on the surface of the cleaned and dried anode substrate (ITO) for 8 minutes.

[0058] Step 3. Spin-coat an anode modification layer on the surface of the ITO treated in step 2; the anode modification layer is doped with MXene and PEDOT:PSS, and the doping mass percentage of MXene is 2%. The preparation process of the anode modification layer is as follows: first, ultrasonically disperse the MXene aqueous solution, and filter it with a 0.22 μm organic filter element; secondly, add the above-mentioned M...

Embodiment 3

[0064] In Example 3, the organic solar cell device structure in which MXene doped PEDOT:PSS is the anode modification layer is: ITO / MXene:PEDOT:PSS / P3HT:PCBM / Ca / Al.

[0065] The preparation process of the above-mentioned organic solar cell is as follows:

[0066] Step 1. Ultrasonic cleaning with detergent, deionized water, acetone, absolute ethanol, and isopropanol for 20 minutes in sequence; then dry in a vacuum oven at 80°C.

[0067] Step 2, performing plasma surface treatment on the surface of the cleaned and dried anode substrate (ITO) for 10 minutes.

[0068] Step 3. Spin-coat an anode modification layer on the surface of the ITO treated in step 2; the anode modification layer is doped with MXene and PEDOT:PSS, and the doping mass percentage of MXene is 5%. The preparation process of the anode modification layer is as follows: first, ultrasonically disperse the MXene aqueous solution, and filter it with a 0.22 μm organic filter element; secondly, add the above-mentioned ...

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Abstract

The present invention discloses an organic solar cell by employing PED0T:PSS doped with MXene as the material of an anode modification layer and a preparation method thereof. The organic solar cell device comprises an anode substrate, an anode modification layer, an active layer, a cathode modification layer and a cathode layer which are stacked in order. The material of the anode modification layer is made of the PED0T:PSS doped with MXene, and the doping mass percent of the MXene is 2-6.5%. The organic solar cell device is prepared by employing the PED0T:PSS doped with the MXene with high conductivity and high light transmission and having a work function matched with the work function of an ITO as the anode modification layer, firstly, the MXene has high conductivity to effectively improve the charge transmission efficiency of the organic solar cell, secondarily, the MXene can effectively regulate and control the power function of the anode to reduce the interface ability between the anode and the active layer, and finally, the photoelectric conversion efficiency of the organic solar cell is improved.

Description

technical field [0001] The invention belongs to the technical field of organic solar cells, in particular to an organic solar cell in which MXene is doped with PEDOT:PSS as an anode modification layer material and a preparation method thereof. Background technique [0002] Organic solar cells have attracted extensive attention due to their advantages of non-toxicity, flexibility, low cost, and easy processing. An organic solar cell consists of an anode substrate, an anode modification layer, an active layer, a cathode modification layer and a cathode layer. Among them, the anode modification layer can effectively regulate the work function of the anode, reduce the interfacial capacity between the anode and the active layer, and ultimately improve the photoelectric conversion efficiency of organic solar cells. [0003] The working principle of organic solar cells is as follows: first, light enters the photosensitive active layer through ITO, and the photosensitive active lay...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/44H01L51/46H01L51/48
CPCY02E10/549
Inventor 於黄忠侯春利黄承稳
Owner SOUTH CHINA UNIV OF TECH
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