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Hydrogen-Bonded Homochiral Molecular Crystals with Mechanical Elasticity and Photomechanical Bending
Chemistry of Materials ( IF 7.2 ) Pub Date : 2023-05-31 , DOI: 10.1021/acs.chemmater.3c00965 Pengyu Li 1 , Chendong Ji 1 , Minghua Liu 2 , Klaus Müllen 3 , Meizhen Yin 1
Chemistry of Materials ( IF 7.2 ) Pub Date : 2023-05-31 , DOI: 10.1021/acs.chemmater.3c00965 Pengyu Li 1 , Chendong Ji 1 , Minghua Liu 2 , Klaus Müllen 3 , Meizhen Yin 1
Affiliation
Molecular crystals with mechanical elasticity and photomechanical bending based on the homochiral effect are presented. Through homochiral assembly, the V-shaped chiral cyanostilbenes form a hydrogen-bonded stair-like packing and further arrange into tile-window structures. These structures have enough free volume for molecular motions, promoting crystal flexibility and photoresponses. Notably, the hydrogen bonds play a dual function in the homochiral crystal. They enhance the resilience of the crystal to improve elasticity and facilitate force transmission from Z-E isomerization for crystal photobending. Our work broadens the application of the homochiral effect in regulating dynamic crystal properties.
中文翻译:
具有机械弹性和光机械弯曲的氢键单手性分子晶体
提出了基于单手性效应的具有机械弹性和光机械弯曲的分子晶体。通过纯手性组装,V型手性氰芪化合物形成氢键阶梯状堆积,并进一步排列成瓦窗结构。这些结构有足够的自由体积用于分子运动,促进晶体柔韧性和光响应。值得注意的是,氢键在纯手性晶体中发挥双重功能。它们增强了晶体的弹性,以改善弹性并促进ZE异构化的力传递以实现晶体光弯曲。我们的工作拓宽了同手性效应在调节动态晶体特性方面的应用。
更新日期:2023-05-31
中文翻译:
具有机械弹性和光机械弯曲的氢键单手性分子晶体
提出了基于单手性效应的具有机械弹性和光机械弯曲的分子晶体。通过纯手性组装,V型手性氰芪化合物形成氢键阶梯状堆积,并进一步排列成瓦窗结构。这些结构有足够的自由体积用于分子运动,促进晶体柔韧性和光响应。值得注意的是,氢键在纯手性晶体中发挥双重功能。它们增强了晶体的弹性,以改善弹性并促进ZE异构化的力传递以实现晶体光弯曲。我们的工作拓宽了同手性效应在调节动态晶体特性方面的应用。