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Electron Delocalization in Perylene Diimide Helicenes

Journal Article · · Angewandte Chemie (International Edition)
 [1];  [2];  [2];  [2];  [2];  [2]
  1. Columbia Univ., New York, NY (United States); DOE/OSTI
  2. Columbia Univ., New York, NY (United States)

We report two new helicenes derived from the double fusion of an acene with two perylene diimide (PDI) subunits. These PDI-helicene homologs exhibit very different structural and electronic properties, despite differing by only a single ring in the link between the PDI units. The shorter inter-PDI link brings the two PDI subunits closer together, and this results in the collision of their respective π-electron clouds. This collision facilitates intramolecular through-space electronic delocalization when the PDI-helicene is reduced.

Research Organization:
Columbia Univ., New York, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0014563
OSTI ID:
1533087
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 43 Vol. 55; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (26)

Molecular Semiconductors for Logic Operations: Dead‐End or Bright Future? journal January 2020
A Decatwistacene with an Overall 170° Torsion journal November 2017
Oxa[7]superhelicen: ein π-erweiterter, helikaler Chromophor auf Hexa- peri -hexabenzocoronen-Basis journal April 2018
Synthesis of a Helical Bilayer Nanographene journal March 2018
Stereocontrolled Synthesis of Chiral Heteroaromatic Propellers with Small Optical Bandgaps journal February 2019
Emerging Bottom‐Up Strategies for the Synthesis of Graphene Nanoribbons and Related Structures journal December 2019
Benzo-Fused Double [7]Carbohelicene: Synthesis, Structures, and Physicochemical Properties journal December 2016
A Decatwistacene with an Overall 170° Torsion journal November 2017
Oxa[7]superhelicene: A π-Extended Helical Chromophore Based on Hexa- peri -hexabenzocoronenes journal April 2018
Synthesis of a Helical Bilayer Nanographene journal March 2018
Hexapole [9]Helicene journal December 2018
Stereocontrolled Synthesis of Chiral Heteroaromatic Propellers with Small Optical Bandgaps journal February 2019
Emerging Bottom‐Up Strategies for the Synthesis of Graphene Nanoribbons and Related Structures journal December 2019
Chalcogen‐Fused Perylene Diimides‐Based Nonfullerene Acceptors for High‐Performance Organic Solar Cells: Insight into the Effect of O, S, and Se journal December 2019
Polycyclic aromatic hydrocarbons in the graphene era journal June 2019
Simultaneous enhancement of the molecular planarity and the solubility of non-fullerene acceptors: effect of aliphatic side-chain substitution on the photovoltaic performance journal January 2017
Synthesis of distorted nanographenes containing seven- and eight-membered carbocycles journal January 2018
An electron-deficient nanosized polycyclic aromatic hydrocarbon with enhanced anion–π interactions journal January 2018
Impact of morphology, side-chains, and crystallinity on charge-transport properties of π-extended double helicenes journal January 2019
Carbocyclization approaches to electron-deficient nanographenes and their analogues journal January 2018
Progress in the synthesis of perylene bisimide dyes journal January 2019
Enantiopure distorted ribbon-shaped nanographene combining two-photon absorption-based upconversion and circularly polarized luminescence journal January 2018
Defying strain in the synthesis of an electroactive bilayer helicene journal January 2019
Guest-mediated chirality transfer in the host–guest complexes of an atropisomeric perylene bisimide cyclophane host journal January 2019
Theoretical study on the electronic structure and second-order nonlinear optical properties of benzannulated or selenophene-annulated expanded helicenes journal January 2019
Intramolecular π-stacked perylene-diimide acceptors for non-fullerene organic solar cells journal January 2019


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