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Manipulating D-A interaction to achieve stable photoinduced organic radicals in triphenylphosphine crystals.
Tang, Chunlin; Song, Lijuan; Zhou, Kang; Ren, Peng; Zhao, Engui; He, Zikai.
Afiliación
  • Tang C; School of Science, Harbin Institute of Technology Shenzhen Guangdong 518055 China hezikai@hit.edu.cn.
  • Song L; School of Science, Harbin Institute of Technology Shenzhen Guangdong 518055 China hezikai@hit.edu.cn.
  • Zhou K; Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic Shenzhen Guangdong 518055 China.
  • Ren P; School of Science, Harbin Institute of Technology Shenzhen Guangdong 518055 China hezikai@hit.edu.cn.
  • Zhao E; School of Science, Harbin Institute of Technology Shenzhen Guangdong 518055 China hezikai@hit.edu.cn.
  • He Z; School of Science, Harbin Institute of Technology Shenzhen Guangdong 518055 China hezikai@hit.edu.cn.
Chem Sci ; 14(7): 1871-1877, 2023 Feb 15.
Article en En | MEDLINE | ID: mdl-36819874
New strategies for the design and synthesis of stable organic radicals without additives are highly desirable. Herein, we design a series of donor-acceptor structured triarylphosphines and disclose the fast color change triggered by UV-irradiation in the crystalline state. Photoinduced organic radicals are undoubtedly verified and proved to be the reason for the color change by time-dependent and quantitative electron paramagnetic resonance analysis, X-ray crystallographic analysis, and theoretical calculations. It is revealed that the intrinsic symmetry breaking of peripheral architecture helps to form continuous molecular chains by donor-acceptor counterpart pairing. Intermolecular electron-transfer occurs among molecular chains and results in radical ion pairs upon photoirradiation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chem Sci Año: 2023 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chem Sci Año: 2023 Tipo del documento: Article Pais de publicación: Reino Unido