Hydrogen-Bonded Homochiral Molecular Crystals with Mechanical Elasticity and Photomechanical Bending
Source abstract
Abstract
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.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supramolecular Chemistry and Complexes · Supramolecular Self-Assembly in Materials · Luminescence and Fluorescent Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
Beijing National Laboratory of Molecular Sciences and CAS Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, North First Street 2, Zhongguancun, Beijing 100190, P. R. China
Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
Funding
National Natural Science Foundation of China
References (66)
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