Unlock instant, AI-driven research and patent intelligence for your innovation.

Translucent perovskite solar cell electrode and preparation method thereof

A solar cell and perovskite technology, applied in the field of solar cells, can solve the problems that the conductivity of silver wires cannot be fully exerted, and the silver wires are easily oxidized, so as to maintain electron transport performance, inhibit rapid oxidation, and reduce series resistance. Effect

Active Publication Date: 2019-05-24
南京奥联光能科技有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for better conductivity between two different materials while reducing their size without compromising its effectiveness or functioning properly. By doing this, it provides an efficient way to create high-quality batteries at lower costs than previous methods.

Problems solved by technology

Technologies described include methods for improving the performance and durability of thin films containing quantum dots or metal meshes, including those called nanosilvers, through various techniques like spinning, dip casting, laser writing, and solvent immersion exposure. While these technical means aim towards enhancing the overall performance and lifespan of electronic components, each approach requires different steps during manufacturing processes. Additionally, current approaches involve multiple step procedures leading to increased processing times and lower product yields compared to traditional methods.

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
  • Translucent perovskite solar cell electrode and preparation method thereof
  • Translucent perovskite solar cell electrode and preparation method thereof
  • Translucent perovskite solar cell electrode and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides a method for preparing a translucent perovskite solar cell electrode, comprising the following steps:

[0046] 1. Preparation of reduced graphene oxide solution

[0047] The graphene oxide powder prepared by the Hummers method was dissolved in pure water to obtain a graphene oxide aqueous solution with a concentration of 0.3 g / L. After adding hydrazine hydrate for reduction, it was filtered and washed 3 times, then dissolved in isopropanol and ultrasonically dispersed ( The temperature of ultrasonic dispersion is 25°C, the frequency is 500Hz, and the flow rate is 2.5m 3 / h, ultrasonic dispersion time is 8h), and obtaining concentration is the reduced graphene oxide solution of 0.2g / L;

[0048] 2. Preparation of nano-silver wire dispersion

[0049] Heat 80mL ethylene glycol to 150°C in an oil bath, keep it warm for 80min, then add AgNO 3 ethylene glycol solution (50mL, concentration 0.15mol / L), and then continuously add 50mL PVP ethylene glyco...

Embodiment 2

[0056] This embodiment provides a method for preparing a translucent perovskite solar cell electrode, comprising the following steps:

[0057] 1. Preparation of reduced graphene oxide solution

[0058] Dissolve the graphene oxide powder prepared by the Hummers method in pure water to obtain a graphene oxide aqueous solution with a concentration of 0.3g / L, add hydrazine hydrate for reduction, filter and wash for 2-5 times, transfer to isopropanol and perform ultrasonication Dispersion (ultrasonic dispersion temperature is 25°C, frequency is 500Hz, flow velocity is 2.5m 3 / h, ultrasonic dispersion time is 5h), and obtaining concentration is the reduced graphene oxide solution of 0.2g / L;

[0059] 2. Preparation of nano-silver wire dispersion

[0060] Heat 120mL ethylene glycol to 180°C in an oil bath, keep it warm for 40min, then add AgNO 3 ethylene glycol solution (20mL, concentration 0.3mol / L), then continuously add 20mL PVP ethylene glycol solution (0.6mol / L) through a cons...

Embodiment 3

[0067] This embodiment provides a method for preparing a translucent perovskite solar cell electrode, comprising the following steps:

[0068] 1. Preparation of reduced graphene oxide solution

[0069] The graphene oxide powder prepared by the Hummers method was dissolved in pure water to obtain a graphene oxide aqueous solution with a concentration of 0.3 g / L. After adding hydrazine hydrate for reduction, it was filtered and washed 3 times, then dissolved in isopropanol and ultrasonically dispersed ( The temperature of ultrasonic dispersion is 25°C, the frequency is 500Hz, and the flow rate is 2.5m 3 / h, ultrasonic dispersion time is 5h), and obtaining concentration is the reduced graphene oxide solution of 0.2g / L;

[0070] 2. Preparation of nano-silver wire dispersion

[0071] Heat 110mL ethylene glycol to 160°C in an oil bath, keep it warm for 50min, then add AgNO 3 ethylene glycol solution (30mL, concentration 0.2mol / L), and then continuously add 30mL ethylene glycol so...

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

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a translucent perovskite solar cell electrode and a preparation method thereof. The preparation method of the translucent perovskite solar cell electrode includes the following steps that: 1) a reduced graphene oxide solution is prepared; 2) a nano silver wire dispersion is prepared; 3) FTO glass covered with an electron transfer layer is placed on a heating table, a perovskite absorption layer is prepared on the surface of the FTO glass covered with the electron transfer layer, and the spin-coating of spiro is performed, so that a hole transport layer can be obtained,and the hole transport layer is coated with the nano silver wire dispersion, after the hole transport layer coated with the nano silver wire dispersion is dried, a nano silver wire electrode is obtained, and the reduced graphene oxide solution is applied between the spiro and silver wires, or a reduced graphene oxide layer is prepared above the silver wires, or reduced graphene oxide layers are prepared above and below the silver wires respectively, so that the translucent perovskite solar cell electrode is obtained. According to the translucent perovskite solar cell electrode and the preparation method thereof of the invention, the reduced graphene oxide can bond silver wire grid junctions, the resistance of the silver nanowires can be decreased, the transport performance of electrons can be improved, and therefore, the conductivity of the silver wires can be enhanced, the series resistance of a battery device can be reduced, and the overall photoelectric performance of the device can be improved.

Description

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

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
Owner 南京奥联光能科技有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More