Hydrogen‐Bond‐Directed Assembly of Urea Derivatives: Exceptional Birefringence Achieved by <i>π</i> ‐Conjugated Unit Alignment
] from the vertical and antiparallel arrangement found in pristine urea into a highly parallel alignment within layered structures. This significantly enhances macroscopic optical anisotropy. This work establishes a hydrogen-bond engineering paradigm for the rational design of high-performance UV/DUV optical crystals by controlling π-conjugated unit assembly.
Authors
- Shilie Pan (ORCID: https://orcid.org/0000-0003-4521-4507)
- minqiang gai (ORCID: https://orcid.org/0000-0003-2484-6062)
- Yuqi Qin
- Peng Jiang
- Junwei Feng
Institutions
- Xinjiang Technical Institute of Physics & Chemistry (CN)
- University of Chinese Academy of Sciences (CN)
Publication Details
- Journal
- Small
- Published
- 2026-04-14
- DOI
- https://doi.org/10.1002/smll.73374
- Primary Topic
- Crystallography and molecular interactions
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Natural Science Foundation of Xinjiang Province
- National Natural Science Foundation of China
- West Light Foundation of the Chinese Academy of Sciences