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Updated: Mar 6, 2026

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
Published on: July 5, 2019
A second-order nonlinear optical material with a 5-fold interpenetrating diamondoid framework based on two achiral
Zhenzhen Shi1, Ling Qin1, Hegen Zheng1
1State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, P. R. China. zhenghg@nju.edu.cn.
Abstract:
A pair of new enantiomeric Zn(ii) complexes with 5-fold interpenetrating diamondoid frameworks have been synthesized using two achiral tritopic and V-shaped ligands through spontaneous resolution, which crystallize in orthorhombic crystal systems with chiral P212121 space groups, showing a strong second harmonic generation response. In the presence of enantiopure propane-1,2-diol as a chiral inducing agent, they are driven to controllable homochiral crystallization of the desired enantiomorph, confirmed by single crystal X-ray diffraction and circular dichroism spectroscopy.

