Centrifugal assistant light active layer stratified organic solar cell based on spinning-coating process, and preparation method thereof

A solar cell and photoactive layer technology, applied in photovoltaic power generation, circuits, electrical components, etc., can solve problems such as poor contact of the buffer layer and poor phase separation in the photoactive layer, so as to improve interface contact and solve internal problems. Effect of poor phase separation and improved charge transport capability

Active Publication Date: 2019-11-26
UNIV OF ELECTRONICS SCI & TECH OF CHINA
View PDF5 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects of poor phase separation in the photoactive layer of the above-mentioned non-fullerene system and poor contact with the buffer layer, the purpose of the present invention is to provide an organic solar cell based on a spin-coating process for delamination of the centrifugally assisted photoactive layer and its preparation method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Centrifugal assistant light active layer stratified organic solar cell based on spinning-coating process, and preparation method thereof
  • Centrifugal assistant light active layer stratified organic solar cell based on spinning-coating process, and preparation method thereof
  • Centrifugal assistant light active layer stratified organic solar cell based on spinning-coating process, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A kind of preparation method of the organic solar cell of centrifugal auxiliary photoactive layer 4 delaminations based on spin-coating process, comprises the following steps:

[0042] S1: Clean the substrate composed of the transparent substrate 1 and the transparent conductive anode ITO with a surface roughness less than 1 nm, and dry it with nitrogen after cleaning;

[0043] S2: Spin-coat PEDOT:PSS on the surface of the transparent conductive cathode ITO, the spin-coating speed is 3000rpm, the time is 60s, prepare the anode buffer layer, and bake the formed film at a low temperature, the temperature of the low-temperature baking is 100 ℃, the time is 20min, and the thickness of the anode buffer layer is 30nm;

[0044] S3: Prepare PBDB-T: ITIC photoactive layer 4 by spin-coating process on the anode buffer layer, PBDB-T: ITIC photoactive layer 4 is composed of electron donor material PBDB-T and acceptor non-fullerene material ITIC The solution is prepared, the mass p...

Embodiment 2

[0051] A kind of preparation method of the organic solar cell of centrifugal auxiliary photoactive layer 4 delaminations based on spin-coating process, comprises the following steps:

[0052] S1: Clean the substrate composed of the transparent substrate 1 and the transparent conductive anode ITO with a surface roughness less than 1 nm, and dry it with nitrogen after cleaning;

[0053] S2: Spin-coat PEDOT:PSS on the surface of the transparent conductive cathode ITO, the spin-coating speed is 3000rpm, the time is 60s, prepare the anode buffer layer, and bake the formed film at a low temperature, the temperature of the low-temperature baking is 100 ℃, the time is 20min, and the thickness of the anode buffer layer is 30nm;

[0054] S3: Prepare PBDB-T: ITIC photoactive layer 4 by spin-coating process on the anode buffer layer, PBDB-T: ITIC photoactive layer 4 is composed of electron donor material PBDB-T and acceptor non-fullerene material ITIC The solution is prepared, the mass p...

Embodiment 3

[0064] A kind of preparation method of the organic solar cell of centrifugal auxiliary photoactive layer 4 delaminations based on spin-coating process, comprises the following steps:

[0065] S1: Clean the substrate composed of the transparent substrate 1 and the transparent conductive anode ITO with a surface roughness less than 1 nm, and dry it with nitrogen after cleaning;

[0066] S2: Spin-coat PEDOT:PSS on the surface of the transparent conductive cathode ITO, the spin-coating speed is 3000rpm, the time is 60s, prepare the anode buffer layer, and bake the formed film at a low temperature, the temperature of the low-temperature baking is 100 ℃, the time is 20min, and the thickness of the anode buffer layer is 30nm;

[0067] S3: Prepare PBDB-T: ITIC photoactive layer 4 by spin-coating process on the anode buffer layer, PBDB-T: ITIC photoactive layer 4 is composed of electron donor material PBDB-T and acceptor non-fullerene material ITIC The solution is prepared, the mass p...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the field of the organic semiconductor thin-film solar cell, and specifically discloses a centrifugal assistant light active layer stratified organic solar cell based on spinning-coating process, and a preparation method thereof. The preparation method comprises the following steps: S1, cleaning a baseplate composed of a transparent substrate and an ITO transparent conductive cathode layer, and blow-drying by using nitrogen after cleaning; S2, spinning-coating, printing or spraying PEDOT: PSS precursor solution on the ITO transparent conductive cathode layer surface, and preparing an anode buffer layer, and performing low-temperature baking on the formed thin-film; S3, preparing a PBDB-ITIC light active layer on the anode buffer layer by adopting the spinning-coating process; S4, adhering the baseplate spun-coated with the PBDB-T:ITIC light active layer to a vertical sidewall to perform rotary centrifuging; S5, performing thermal annealing treatment on the PBDB-T:ITIC light active layer in a glovebox; S6, evaporating LiF on the PBDB-T:ITIC light active layer surface under the condition that the vacuum degree is 3*10<3>Pa, and preparing a cathode buffer layer; and S7, evaporating a metal cathode layer on the cathode buffer layer. And an aim of improving various performance parameters of the organic solar cell is finally improved.

Description

technical field [0001] The invention belongs to the technical field of organic semiconductor thin-film solar cells, and specifically relates to an organic solar cell based on a spin-coating process and a delamination of a photoactive layer assisted by centrifugal force and a preparation method thereof. Background technique [0002] With the rapid development of the world economy and the rapid development of science and technology, people's demand for energy is increasing day by day. New energy is considered to be a key project in the 21st century. In this context, solar energy, as a renewable green energy, has attracted extensive attention from researchers due to its huge reserves, wide distribution, green and harmless characteristics. As a means of effectively developing and utilizing solar energy that can directly convert sunlight energy into electrical energy, solar cells have attracted the attention of researchers. According to the different properties of the photoacti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/42
CPCH10K71/00H10K71/12H10K30/00Y02E10/549
Inventor 于军胜张大勇杨根杰王子君
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap