Recent Advances in Structural Design of Efficient Near-Infrared Light-Emitting Organic Small Molecules
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- Title
- Recent Advances in Structural Design of Efficient Near-Infrared Light-Emitting Organic Small Molecules
- Authors
- Kim Hae Un; Kim Taehyun; Kim Chanhyuk; Park Taiho; Kim Minjun
- Date Issued
- 2023-01
- Publisher
- John Wiley & Sons Ltd.
- Abstract
- Organic light-emitting materials in the near-infrared (NIR) region are important to realize next-generation lightweight and wearable applications in bioimaging, photodynamic therapy, and telecommunications. Inorganic and organometallic light-emitting materials are expensive and toxic; thus, the development of purely organic light-emitting materials is essential. However, the development of highly efficient NIR light-emitting materials made of organic materials is still in its infancy. Therefore, this review outlines molecular design strategies for developing organic small-molecule NIR light-emitting materials with high emission efficiency that can overcome the energy-gap law to be applied to next-generation wearable devices. After briefly reviewing the basic knowledge required for the NIR emission of organic molecules, representative high-efficiency molecules reported over the past 5 years are classified according to their core moieties, and their molecular design, physical properties, and luminescence characteristics are analyzed. Further, the perspective and outlook regarding the development of next-generation high-efficiency NIR organic light-emitting materials are provided.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/119455
- DOI
- 10.1002/adfm.202208082
- ISSN
- 1616-301X
- Article Type
- Article
- Citation
- Advanced Functional Materials, vol. 33, no. 1, 2023-01
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- There are no files associated with this item.
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