Method for representing phase separation degree of polymer solar cell photosensitive layers

A technology for solar cells and photosensitive layers, applied in the field of polymer solar cells, can solve problems such as methods for the degree of phase separation of photosensitive layers that have not yet been seen, and achieves optimized D/A two-phase phase separation scale, simple calculation process, and calculation results. accurate effect

Inactive Publication Date: 2013-10-23
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
View PDF0 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, many research groups such as K. Meerholz and Y. Yang have also used this method to study the influence of factors such as film solvent and annealing on the phase separation of the photosensitive layer, but the analysis of the phase diagr

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
  • Method for representing phase separation degree of polymer solar cell photosensitive layers
  • Method for representing phase separation degree of polymer solar cell photosensitive layers
  • Method for representing phase separation degree of polymer solar cell photosensitive layers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0024] In the present invention, the donor and the acceptor in the atomic force microscope (AFM) phase diagram are converted into black and white two phases by using the method of black and white image at first, and the obvious donor / acceptor (D / A) contact boundary is obtained, and then by calculating the difference The relative length of the D / A contact boundary of the photosensitive layer of the sample realizes the quantitative characterization of the phase separation degree of the photosensitive layer of the polymer solar cell.

[0025] It should be noted that the present invention relates to a method for characterizing the degree of phase separation of the photosensitive layer of a polymer solar cell, wherein the prepa...

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 discloses a method for representing the phase separation degree of polymer solar cell photosensitive layers. The method comprises the first step of respectively representing the photosensitive layers of a plurality of polymer solar cell samples prepared under different conditions through an AFM to obtain photosensitive layer AFM phase diagrams, the second step of selecting an interest region with a certain size from the phase diagrams respectively, the third step of blackening and whitening the interest regions to convert a donor D and a receptor A inside each interest region into a black phase and a white phase, and the fourth step of calculating the lengths of the contacted boundaries of the donors and the receptors inside the blackened and whitened interest regions respectively and quantitatively analyzing and comparing the phase separation degree of the photosensitive layers of the polymer solar cell samples according to the calculated result. The calculating method is simple, the calculated result is reliable, and the study on factors influencing the phase separation of the photosensitive layers, optimization on D/A two-phase separation scale and improvement on the performance of a cell are facilitated.

Description

technical field [0001] The invention belongs to the technical field of polymer solar cells, and in particular relates to a method for characterizing the phase separation degree of a photosensitive layer of a polymer solar cell. Background technique [0002] Research on polymer solar cells began in the 1970s. Compared with traditional inorganic solar cells, polymer solar cells have the advantages of designable molecular structure, light material weight, simple production process, low manufacturing cost, good processing performance, and rollability, so they can improve battery performance and reduce production costs. , reduce environmental pollution as the development direction of the field of solar cells has received widespread attention. [0003] After decades of development, the structure of organic polymer solar cells has been continuously improved, and the efficiency of the cells has also been continuously improved. Among them, the bulk heterojunction polymer solar cell...

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
IPC IPC(8): G01Q60/24
Inventor 孟军华张兴旺高红丽尹志岗吴金良
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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