Bipolar Arylsilane: Synthesis, Photoelectronic Properties, and High-Performance Deep Blue Organic Light-Emitting Diodes
Source abstract
Abstract
Although great advances have been achieved in organic electroluminescence fields, highly efficient deep blue materials are still limited. In this work, two sp3 linker connected bipolar arylsilanes, end-capped by diphenylamino/carbazolyl and phenanthroimidazole, were prepared and characterized. The bipolar arylsilanes exhibit high thermal/morphological stabilities, deep blue emission, and high luminescence efficiencies in a solid state. Information obtained for the crystal structures indicates a twisted conformation for the molecules. Organic light-emitting diodes (OLEDs) using DSiPPI as a dopant exhibit a deep blue luminescence with Commission Internationale de L’Eclairage (CIE) coordinates of (0.167, 0.078) and a maximum external quantum efficiency (EQEmax) of 7.07%, indicating the great potential for the use of this chromophore in deep blue OLED applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Organic Light-Emitting Diodes Research · Luminescence and Fluorescent Materials · Organic Electronics and Photovoltaics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
Frontier Institute of Science and Technology, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Key Laboratory of Sustainable Energy Materials Chemistry Xi’an Jiaotong University, Xi’an 710054, China
State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Natural Science Foundation of Zhejiang Province
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