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Investigations of the Optical and Thermal Properties of the Pyrazoloquinoline Derivatives and Their Application for OLED Design

Gabriela Lewińska, Karen Khachatryan, Krzysztof S. Danel, Zoriana Danel, Jerzy Sanetra and Konstanty W. Marszałek

Investigations of the Optical and Thermal Properties of the Pyrazoloquinoline Derivatives and Their Application for OLED Design.

ABSTRACT: In this study, the photo-optical properties of the series of new 1H-pyrazolo[3,4-b]quinoline derivatives were investigated. Pyrazoloquinoline studies were conducted to explain the electroluminescent effect in organic LEDs. Absorption and photoluminescence spectra for the materials under consideration were examined, and quantum chemical calculations were made. Differential scanning calorimetric and thermogravimetric measurements were carried out for the manufactured materials. The phase situation of the materials was determined, and glassy transitions were detected for three of the investigated materials. Degradation temperatures were obtained. Single-layer luminescent diodes based on the ITO/PEDOT:PSS/active layer/Al scheme were fabricated. Current–voltage and brightness–voltage characteristics of the diodes were determined, ignition voltage was calculated, and electroluminescence types were determined.

Keywords: OLED; pyrazoloquinoline; differential scanning calorimetry; thermogravimetry

Optical and Thermal Properties of the Pyrazoloquinoline Derivatives - K. Khachatryan
 Polymers 2020, 12(11), 2707;  doi.org/10.3390/polym12112707

Share and cite:

MLA: Lewińska, Gabriela, et al. "Investigations of the Optical and Thermal Properties of the Pyrazoloquinoline Derivatives and Their Application for OLED Design." Polymers 12.11 (2020): 2707.

APA: Lewińska, G., Khachatryan, K., Danel, K. S., Danel, Z., Sanetra, J., & Marszałek, K. W. (2020). Investigations of the Optical and Thermal Properties of the Pyrazoloquinoline Derivatives and Their Application for OLED Design. Polymers, 12(11), 2707.

ISO 690: LEWIŃSKA, Gabriela, et al. Investigations of the Optical and Thermal Properties of the Pyrazoloquinoline Derivatives and Their Application for OLED Design. Polymers, 2020, 12.11: 2707.

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