Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
We developed a new strategy, ligand exchange strategy, for tuning the response speeds of helicity inversion of a metal-containing helical structure. This is based on the exchange of the two axial amine ligands of the octahedral Co centers in the metallocryptands [LCo X ] (X=axial amine ligand). The response speeds of the helicity induction were controlled by using different combinations of achiral and chiral amines as the starting and entering ligands, respectively. The response speeds of the helicity inversion from P to M were also tuned by using different combinations of chiral amines.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1002/chem.201805799 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Expanding Chemistry of Expanded Helicenes.
Chemistry
September 2025
Department of Chemistry, School of Science, Institute of Science Tokyo, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan.
Expanded helicenes are interesting compounds created by modifying the original helicene structure through the incorporation of linearly fused benzene rings, enlarging the helical diameter. Motivated by Tilley et al.'s report of a key expanded helicene structure in 2017, several research groups have synthesized such nonplanar aromatic compounds, aiming to explore their impressive structures, properties, and chiroptical performance.
View Article and Find Full Text PDFEncapsulation Enhances the Quantum Coherence of a Solid-State Molecular Spin Qubit.
Angew Chem Int Ed Engl
September 2025
Departament de Química Inorgànica i Orgànica, Universitat de Barcelona, Diagonal 645, Barcelona, 08028, Spain.
Spins within molecules benefit from the atomistic control of synthetic chemistry for the realization of qubits. One advantage is that the quantum superpositions of the spin states encoding the qubit can be coherently manipulated using electromagnetic radiation. The main challenge is the fragility of these superpositions when qubits are to partake of solid-state devices.
View Article and Find Full Text PDFTilted parallel assembly caused birefringent reversal in columnar phases of oligothiophene as well as applications for LEDs and hole transport materials.
Chem Sci
August 2025
Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Research & Development Center for Natural Products, School of Chemical Science and Technology, Yunnan University Kunming 650091 P.R. China
Polycatenar columnar liquid crystals T ( = 1-6) of π-conjugated oligothiophenes end-capped with bulky -tris(hexadecyloxy)benzyl carbazole groups exhibit unusual molecular tilted and parallel assemblies, realizing the reversal of birefringence within the columnar liquid crystalline (LC) phases depending on core length and temperature. In the parallel arrangement of short core compounds 2T and 3T, molecules align perpendicular to the column axis. The stacking of these molecules involves a rotational component, resulting in local helical assembly, and this specific packing motif collectively stabilizes the Col/6 phase with negative birefringence.
View Article and Find Full Text PDFInterfacial Mirror Symmetry Breaking Induced Helicity-Dependent Photocurrents in hBN/CrPS Heterostructure.
ACS Appl Mater Interfaces
July 2025
School of Electronic Science and Engineering (School of Microelectronics), Guangdong Province Key Lab of Chip and Integration Technology, South China Normal University, Foshan 528225, P.R. China.
Research on quantum geometric-related effects in antiferromagnetic van der Waals heterostructures has predominantly focused on separating the contributions of Berry curvature and quantum metric through the manipulation of Parity-Time (PT) symmetry. However, the critical role of interfacial symmetry-breaking mechanisms, particularly those emerging from parity inversion symmetry manipulation, has remained underexplored. This study advances the field by investigating the hBN/CrPS heterojunction, where the mirror symmetry at the interface is systematically controlled.
View Article and Find Full Text PDFAssembly-Dependent Regulation of the Chiroptical Responses of Chiral Gold Nanoparticles.
ACS Nano
July 2025
School of Life Science and Technology, Xi'an Jiaotong University, No.28 Xianning West Road, Xi'an, Shaanxi 710049, China.
Plasmonic nanoparticles (NPs) can concentrate light around their surface, which enhances the chiral interaction between light and matter. Chiral plasmonic NPs therefore have attracted a great deal of attention. The chiroptical properties of these synthesized chiral nanoparticles have been meticulously investigated through systematic variations in their helical morphologies.
View Article and Find Full Text PDF