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A fan-shaped synthetic chiral nanographene 被引量:1
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作者 Haonan Shi bangyuan xiong +4 位作者 Ying Chen Chaojun Lin Jiajian Gu Yanpeng Zhu Jiaobing Wang 《Chinese Chemical Letters》 SCIE CAS CSCD 2023年第2期154-157,共4页
We report the synthesis and characterization of a fan-shaped chiral nanographene 1,which is composed of 6 hexabenzocoronene subunits with 216 conjugated carbon atoms.In the dehydrocyclization reaction,38 C–C bonds ar... We report the synthesis and characterization of a fan-shaped chiral nanographene 1,which is composed of 6 hexabenzocoronene subunits with 216 conjugated carbon atoms.In the dehydrocyclization reaction,38 C–C bonds are formed simultaneously.1 exhibits strong panchromatic absorption from the ultraviolet to the near-infrared,with an absorption coefficient of 209,000 L mol^(-1)cm^(-1)at 564 nm.Optically pure samples,obtained via chiral HPLC,show distinct ECD signals(|Δε|=704 L mol^(-1)cm^(-1)at 405 nm).Upon excitation,1 emits near-infrared fluorescence at 820 nm with a quantum yield of 5.5%.These photophysical properties of 1 were analyzed with the assistance of DFT calculations. 展开更多
关键词 NANOGRAPHENE Molecular nanocarbon CHIRALITY Polycyclic aromatic hydrocarbon HELICENE
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Molecular assembly of a pyridine functionalized janusarene
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作者 Zhibo Yin Luoyi Fan +5 位作者 Chaojun Lin Haonan Shi bangyuan xiong Jiajian Gu Yanpeng Zhu Jiaobing Wang 《Chinese Chemical Letters》 SCIE CAS CSCD 2022年第1期280-282,共3页
We describe a janusarene derivative PyJ,which forms micrometer-scale one-dimensional metallo-supramolecular polymer through coordination driven self-assembly.PyJ is a well-preorganized dodecatopic pyridyl ligand built... We describe a janusarene derivative PyJ,which forms micrometer-scale one-dimensional metallo-supramolecular polymer through coordination driven self-assembly.PyJ is a well-preorganized dodecatopic pyridyl ligand built on a hexaphenylbenzene platform.The two-face structural feature of PyJ allows for a delicate control over multiple Py-Ag^(+)-Py coordination interactions,leading to assembled structure of PyJ-Ag^(+),which was characterized by dynamic light scattering,atomic force microscopy,and transmission electron microscopy. 展开更多
关键词 Janusarene Supramolecular polymer ASSEMBLY COORDINATION HELICAL
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