28‐1: <i>Invited Paper:</i> Analyzing Charge Dynamics in Quantum Dot Light‐Emitting Diodes via Impedance Spectroscopy-Reference-Cited by-同舟云学术

28‐1: Invited Paper: Analyzing Charge Dynamics in Quantum Dot Light‐Emitting Diodes via Impedance Spectroscopy

Published:2024-06 Issue:1 Volume:55 Page:350-352
ISSN:0097-966X
Container-title:SID Symposium Digest of Technical Papers
language:en
Short-container-title:Symp Digest of Tech Papers

Author:

Ma Jingrui¹²,Xu Zhonghua¹³,Qu Xiangwei¹²,Sun Xiao Wei¹²

Affiliation:

1. Institute of Nanoscience and Applications Southern University of Science and Technology Shenzhen China 518055

2. Key Laboratory of Energy Conversion and Storage Technologies (Southern University of Science and Technology), Ministry of Education, Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, and Department of Electrical and Electronic Engineering Southern University of Science and Technology Shenzhen China 518055

3. College of Mathematics, Physics and Electronic Information Engineering Guangxi Minzu Normal University Chongzuo China 532200

Abstract

The carrier dynamics in quantum dot light‐emitting diodes (QLEDs) significantly deviate from that in traditional organic and inorganic light‐emitting diodes. This study elucidates the charge injection and recombination processes in QLEDs using impedance spectroscopy. Parameters derived from the equivalent circuit model, in conjunction with the applied device voltage, elucidate the nuanced changes in carrier behavior during operation. This methodology serves as a potent tool and novel approach for comprehending and analyzing the physics of QLED devices.

Publisher

Wiley

Reference17 articles.

1. An Introduction to Electrochemical Impedance Spectroscopy

2. Impedance spectroscopy as a probe for the degradation of organic light-emitting diodes

3. Electrical impedance measurements of polymer light‐emitting diodes

4. Impedance spectroscopy for quantum dot light-emitting diodes