Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Five-Membered Heterocyclic Aromatic Compounds: Overview01:13

Five-Membered Heterocyclic Aromatic Compounds: Overview

5.8K
Heterocyclic aromatic compounds are cyclic compounds that are aromatic and have one or more heteroatoms—atoms other than carbon, in the ring. Depending upon the number of atoms present in the ring, they can be either five or six-membered. Examples of five-membered heterocyclic aromatic compounds include pyrrole, furan, thiophene, and imidazole. Pyrrole consists of one nitrogen atom having one lone pair of electrons. Furan and thiophene have one oxygen and one sulfur heteroatom,...
5.8K
Aromatic Hydrocarbon Cations: Structural Overview01:18

Aromatic Hydrocarbon Cations: Structural Overview

4.0K
Cycloheptatriene is a neutral monocyclic unsaturated hydrocarbon that consists of an odd number of carbon atoms and an intervening sp3 carbon in the ring. The three double bonds in the ring correspond to 6 π electrons, which is a Huckel number, and therefore satisfies the criteria of 4n + 2 π electrons. However, the intervening sp3 carbon disrupts the continuous overlap of p orbitals. As a result, cycloheptatriene is not aromatic.
Removing one hydrogen from the intervening CH2 group...
4.0K
¹H NMR: Long-Range Coupling01:27

¹H NMR: Long-Range Coupling

2.8K
The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
In alkenes, spin information is communicated via σ–π overlap, as seen in allylic (four-bond) and homoallylic (five-bond) couplings. These coupling interactions are stronger when the σ bond is parallel to the alkene...
2.8K
Aromatic Hydrocarbon Anions: Structural Overview01:18

Aromatic Hydrocarbon Anions: Structural Overview

4.0K
Neutral hydrocarbons like cyclopentadiene with an odd number of carbon atoms and one intervening CH2 group in the ring are not aromatic. Cyclopentadiene with 4 π electrons does not satisfy the 4n + 2 π electron rule. Additionally, the intervening CH2 group is sp3 hybridized and lacks a vacant p orbital, thereby interrupting the overlap of p orbitals in a continuous manner and preventing the delocalization of π electrons throughout the ring.
Due to the absence of continuous...
4.0K
Frost Circles for Different Conjugated Systems01:18

Frost Circles for Different Conjugated Systems

3.9K
The inscribed polygon method is consistent with Hückel’s 4n + 2 rule and helps to learn whether the given cyclic compound is aromatic or not. The compound is stable and aromatic if every bonding molecular orbital (MO) is completely filled with a pair of electrons. However, if the non-bonding or antibonding orbitals are filled with electrons, the compound is unstable and not aromatic. Consider the Frost circle diagrams for cycloalkenes containing 4 to 8 carbons.
3.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Step-Edge Functionalization by N-Heterocyclic Carbenes Enhances Catalytic Activity in Electrochemical CO<sub>2</sub> Reduction.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Organic neuromorphic vision devices with multilevel memory for palmprint identification.

Chemical science·2026
Same author

33 Unresolved Questions in Nanoscience and Nanotechnology.

ACS nano·2025
Same author

Cooperative Use of N-Heterocyclic Carbenes and Thiols on a Silver Surface: A Synergetic Approach to Surface Modification.

Journal of the American Chemical Society·2024
Same author

Standardization of Chemically Selective Atomic Force Microscopy for Metal Oxide Surfaces.

ACS nano·2024
Same author

The Electron-Rich and Nucleophilic N-Heterocyclic Imines on Metal Surfaces: Binding Modes and Interfacial Charge Transfer.

Journal of the American Chemical Society·2024

Related Experiment Video

Updated: Feb 20, 2026

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
09:35

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units

Published on: September 18, 2016

12.1K

Manipulation of fullerene superstructures by complexing with polycyclic aromatic compounds.

Qin Tang1, Shufang Zhang, Xinbang Liu

  • 1Herbert Gleiter Institute for Nanoscience, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing, 210094, China. jiqingmin@njust.edu.cn.

Physical Chemistry Chemical Physics : PCCP
|October 28, 2017
PubMed
Summary

Polycyclic aromatic compounds were intercalated into fullerene nanowhisker superstructures, altering their nanofeatures and optical properties. This research offers insights into controlling fullerene nanostructures for optoelectronic applications.

More Related Videos

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
13:58

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics

Published on: September 28, 2016

12.3K
Preparation and Characterization of C60/Graphene Hybrid Nanostructures
08:40

Preparation and Characterization of C60/Graphene Hybrid Nanostructures

Published on: May 15, 2018

10.0K

Related Experiment Videos

Last Updated: Feb 20, 2026

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
09:35

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units

Published on: September 18, 2016

12.1K
Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
13:58

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics

Published on: September 28, 2016

12.3K
Preparation and Characterization of C60/Graphene Hybrid Nanostructures
08:40

Preparation and Characterization of C60/Graphene Hybrid Nanostructures

Published on: May 15, 2018

10.0K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Organic Chemistry

Background:

  • Fullerene nanomaterials exhibit unique electronic and optical properties.
  • Controlling the self-assembly and superstructure formation of fullerenes is crucial for advanced applications.
  • Polycyclic aromatic compounds can interact with fullerene structures, potentially modifying their properties.

Purpose of the Study:

  • To intercalate polycyclic aromatic compounds into fullerene nanowhisker superstructures.
  • To investigate the impact of polycyclic aromatic compound intercalation on fullerene nanostructure formation.
  • To analyze the changes in optical properties, specifically fluorescence emissions, of the modified fullerene superstructures.

Main Methods:

  • Utilized a facile liquid-liquid interfacial precipitation (LLIP) method for intercalation.
  • Synthesized fullerene superstructures in the presence of naphthalene, anthracene, and pyrene.
  • Characterized the resulting nanostructures and their optical properties.

Main Results:

  • Successful intercalation of polycyclic aromatic compounds into fullerene nanowhisker superstructures.
  • Observed interference in fullerene crystal growth, leading to diverse nanofeatures.
  • Significant alterations in fluorescence emissions of fullerene superstructures due to intercalated molecules.
  • Demonstrated the influence of molecular packing on electron transfer within nanostructures.

Conclusions:

  • The LLIP method effectively facilitates the intercalation of polycyclic aromatic compounds into fullerene nanowhisker superstructures.
  • Intercalation influences fullerene self-assembly, yielding tunable nanofeatures.
  • Molecular packing significantly impacts the optical properties of fullerene nanostructures, with implications for electron transfer.
  • Findings provide new strategies for controlling fullerene nanostructures and their optical characteristics for optoelectronic devices.