ArticleNature communications2022
Controlling the helicity of π-conjugated oligomers by tuning the aromatic backbone twist.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Interfacial stress decoupling enables stable palladium-based hydrogen sensing.Nature communications · 2026Article
- Exciton trapping with a twist.Chemical science · 2026Article
- Synthesis and Persistence Length Study of Defect-Free and Non-Aggregated Conjugated Ladder Polymers.JACS Au · 2025Article
- The Right Strap: The Role of Tether Position and Length in Acene Distortion.Organic letters · 2025Article
- Controlling the Helicity and Handedness of Polyaromatics with Isobenzofuranophane.Angewandte Chemie (International ed. in English) · 2025Article
- Reversible formation and control of linear conjugation in polymers.Nature chemistry · 2025Article
- Synthesis of Alternatively-Twisted Nanographenes by Semi-Deprotection-Induced Cyclization.Precision chemistry · 2025Article
- Synthesis of optically active folded cyclic dimers and trimers.Beilstein journal of organic chemistry · 2025Article
- Helitwistacenes-Combining Lateral and Longitudinal Helicity Results in Solvent-Induced Inversion of Circularly Polarized Light.Angewandte Chemie (International ed. in English) · 2024Article
- Effect of Chalcogenophenes on Chiroptical Activity of Twisted Tetracenes: Computational Analysis, Synthesis and Crystal Structure Thereof.Molecules (Basel, Switzerland) · 2023Article
- Optical Activity and Spin Polarization: The Surface Effect.Journal of the American Chemical Society · 2023Article
- Novel 1,2,3-Triazole-Based Benzothiazole Derivatives: Efficient Synthesis, DFT, Molecular Docking, and ADMET Studies.Molecules (Basel, Switzerland) · 2022Article
- Light-Responsive Oligothiophenes Incorporating Photochromic Torsional Switches.Chemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
- Tuning the Properties of Donor-Acceptor and Acceptor-Donor-Acceptor Boron Difluoride HydrazonesACS omega · 2022Article
- Novel Series of Diaminoanthraquinone-Based π-Extendable Building Blocks with Tunable Optoelectronic Properties.ACS omega · 2022Article
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Authors and funding
5 authors.
Funding
Abstract
The properties of π-conjugated oligomers and polymers are commonly controlled by side group engineering, main chain engineering, or conformational engineering. The last approach is typically limited to controlling the dihedral angle around the interring single bonds to prevent loss of π-conjugation. Here we propose a different approach to conformational engineering that involves controlling the twist of the aromatic units comprising the backbone by using a tether of varying lengths. We demonstrate this approach by synthesizing an inherently twisted building unit comprised of helically locked tethered acenes, bearing acetylene end-groups to enable backbone extension, which was applied in a series of nine helical oligomers with varying backbone length and twist. We find that the optical and electronic properties of π-conjugated systems may be determined by the additive, antagonistic, or independent effects of backbone length and twist angle. The twisted oligomers display chiral amplification, arising from the formation of secondary helical structures.
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