期刊
CHEMICAL COMMUNICATIONS
卷 58, 期 22, 页码 3697-3700出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06863f
关键词
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资金
- Polish National Science Centre, Poland [HARMONIA 2016/22/M/ST5/00431, SONATA 2018/31/D/ST5/00432]
- Foundation for Polish Science [TEAM POIR.04.04.00-00-3CF4/16-00]
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2021R1A2C3006308]
- National Research Foundation of Korea [2021R1A2C3006308] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This study describes the photophysical behavior of three cyclophane analogs with the DPND core. By changing the deviation from planarity within the DPND core, intersystem crossing can be induced, resulting in a shift of emission maximum from the green to red region without any synthetic modifications.
This communication describes the photophysical behavior of three analogs of cyclophane bearing the dipyrrolonaphthyridinedione (DPND) core. In these molecules, intersystem crossing (ISC) can be successfully induced by distinct changes in the deviation from planarity within the DPND core, allowing at the same time the emission maximum to shift from the green to red region of the visible spectrum without any synthetic modifications of the chromophore structure. This finding may build the foundation for a new paradigm for inducing ISC-type transitions within other centrosymmetric and planar cross-conjugated chromophores.
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