一种双可见光-近红外发射型镱（III）配合物，在OLED器件中具有光学测量内部温度的潜在应用

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications Pub Date : 2024-11-24 DOI:10.1016/j.inoche.2024.113636

Daniil S. Koshelev , Alina V. Kirianova , Ekaterina Yu. Korneeva , Andrey A. Vaschenko , Elizaveta V. Lider , Lyubov’ S. Klyushova , Yanan Zhu , Valentina V. Utochnikova

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引用次数: 0

摘要

合成了一种具有芘取代希夫碱配体的双发射型镱配合物，并对其进行了表征。该配合物具有可见光和近红外（NIR）辐射，在77 ~ 420 K范围内，发射波段比与温度有显著的相关性。这一特性使得该复合物适用于发光测温应用，包括有机发光二极管（oled）发射层（EML）内部。测试了几种具有不同空穴传输层和不同EML厚度的异质结构。具有较薄EML的OLED1的外电流效率（ECE）可达30 μW/W，电致发光光谱包含可见光和近红外发射带，可以测量EML温度高达77-114°C。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A dual vis-NIR emissive ytterbium(III) complex with potential application in OLED devices with optical determination of the internal temperature

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A dual vis-NIR emissive ytterbium(III) complex with potential application in OLED devices with optical determination of the internal temperature

A dual-emissive ytterbium complex with a pyrene-substituted Schiff base ligand was synthesized and characterized. The complex exhibits both visible and near-infrared (NIR) emissions, with the emission bands ratio showing a significant temperature dependence in the range of 77–420 K. This feature makes the complex suitable for luminescent thermometry applications including inside of the organic light-emitting diode (OLEDs) emission layer (EML). Several heterostructures with different hole transport layers and different thicknesses of the EML were tested. The OLED1 with thinner EML demonstrate external current efficiency (ECE) up to 30 μW/W while electroluminescence spectra contain both vis and NIR emission bands that make it possible to measure EML temperature which reach up to 77–114 °C.

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来源期刊

Inorganic Chemistry Communications 化学-无机化学与核化学

CiteScore

5.50

自引率

7.90%

发文量

1013

审稿时长

53 days

期刊介绍： Launched in January 1998, Inorganic Chemistry Communications is an international journal dedicated to the rapid publication of short communications in the major areas of inorganic, organometallic and supramolecular chemistry. Topics include synthetic and reaction chemistry, kinetics and mechanisms of reactions, bioinorganic chemistry, photochemistry and the use of metal and organometallic compounds in stoichiometric and catalytic synthesis or organic compounds.