P‐116: Elucidation of OLED Degradation Mechanism Using Mass Spectrometry and Theoretical Analysis-Reference-Cited by-同舟云学术

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P‐116: Elucidation of OLED Degradation Mechanism Using Mass Spectrometry and Theoretical Analysis

Published:2023-06 Issue:1 Volume:54 Page:1291-1293
ISSN:0097-966X
Container-title:SID Symposium Digest of Technical Papers
language:en
Short-container-title:Symp Digest of Tech Papers

Author:

Sawada Keisuke¹,Shirakura Daichi¹,Shibamori Takahiro¹,Miyamoto Takashi¹,Uejima Motoyuki²,Sato Tohru²,Sakanoue Kei²

Affiliation:

1. Toray Research Center, Inc. 2-11 Sonoyama 3-chome, Otsu Shiga Japan 520-8567

2. MOLFEX Inc. 34-4 Takano-Nishibiraki-cho, Sakyo-ku Kyoto-shi Kyoto Japan 606-8103

Abstract

We elucidated the degradation mechanism of OLEDs using mass spectrometry and theoretical analysis. GCIB‐TOF‐SIMS and MS/MS revealed that the carbazole group adduct to mCBP was formed in the emission layer of the degraded OLED. The generation process of the degradation product was clarified using quantum chemical calculations and vibronic coupling density analysis.

Publisher

Wiley

Subject

General Medicine

Reference7 articles.

1. Degradation Mechanisms and Reactions in Organic Light-Emitting Devices;Scholz S;Chem. Rev.,2015

2. Degradation of Hole Transport Materials via Exciton-Driven Cyclization;Bell BM;Appl. Mater. Interfaces.,2017

3. Materials depth distribution and degradation of a FIrpic based solution-processed blue OLED

4. Examination in application of TOF-SIMS with MS/ms to a degradation analysis of OLED;Shirakura D;SID Symposium Digest of Technical Papers,2019

5. Vibronic coupling in naphthalene anion: vibronic coupling density analysis for totally symmetric vibrational modes;Sato T;J. Phys. Chem. A.,2008

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