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Network Covalent Solids02:18

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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
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Boron-Cluster Embedded Necklace-Shaped Nanohoops.

Miao Zhu1, Qin Zhou1, He Cheng1

  • 1Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China.

Angewandte Chemie (International Ed. in English)
|October 6, 2022
PubMed
Summary
This summary is machine-generated.

Researchers synthesized novel necklace-like nanohoops incorporating carborane. These carborane-functionalized nanohoops exhibit exceptional fluorescence, paving the way for applications in organic light-emitting diodes (OLEDs) and bioimaging.

Keywords:
Boron ClusterCarboraneCycloparaphenylenesDFT CalculationsLuminescence

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Area of Science:

  • Organic Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Designing novel molecular architectures is crucial for developing advanced materials.
  • Carbon-based nanohoops offer unique structural and electronic properties.
  • Carboranes are versatile boron-containing molecules with potential in functional materials.

Purpose of the Study:

  • To synthesize necklace-like nanohoops embedded with carborane for the first time.
  • To explore the properties of these novel carborane-functionalized nanohoops.
  • To investigate their potential applications in optoelectronics and bioimaging.

Main Methods:

  • Synthesis of necklace-like nanohoops.
  • Functionalization with nido-o-carborane.
  • Characterization of fluorescence properties, including solution and solid-state quantum yields.

Main Results:

  • Successful synthesis of ionic nanohoop compounds via unique deboronization of o-carborane.
  • Carborane-functionalized nanohoops display excellent fluorescence emission.
  • High solution quantum yield (up to 90.0%) and solid-state quantum efficiency (87.3%).

Conclusions:

  • The developed synthetic route provides facile access to carborane-embedded nanohoops.
  • The exceptional fluorescence properties make these nanohoops promising for OLEDs.
  • Potential applications in bioimaging due to their strong luminescence.