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A bond is formed between two atoms by sharing two electrons. When this bond is broken by supplying sufficient energy, either two electrons can be taken up by one atom forming ions by the cleavage called heterolysis, or the two electrons are shared by two atoms, with one each creating radicals by the cleavage called homolysis.
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Atoms participate in a chemical bond formation to acquire a completed valence-shell electron configuration similar to that of the noble gas nearest to it in atomic number. Ionic, covalent, and metallic bonds are some of the important types of chemical bonds. Bond energy and bond length determine the strength of a chemical bond.
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Compared to ionic bonds, which results from the transfer of electrons between metallic and nonmetallic atoms, covalent bonds result from the mutual attraction of atoms for a “shared” pair of electrons.
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Bond energy is the energy required to break a bond homolytically. These values are usually expressed in units of kcal/mol or kJ/mol and are referred to as bond dissociation energies when given for specific bonds or average bond energies when indicated for a given type of bond over many compounds. Firstly, the bond dissociation energy for a single bond is weaker than that of a double bond, which in turn is weaker than that of a triple bond. Secondly, hydrogen forms relatively strong bonds with...
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Using Gas Molecules to Assemble Value-Added Materials through Dynamic Gas-Bridged Bond.

Xin Liang1, Yangyang Wang1, Yixin Wang1

  • 1State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, 200433, China.

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|February 22, 2025
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Summary
This summary is machine-generated.

Green chemistry utilizes dynamic gas bridges to convert greenhouse gases into valuable polymer assemblies. This approach offers a sustainable solution for energy scarcity and the greenhouse effect by creating recyclable materials.

Keywords:
dynamic gas bridgegas molecule assemblygreen catalysisvalue‐added materials

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Area of Science:

  • Green Chemistry
  • Materials Science
  • Catalysis

Background:

  • Green conversion of greenhouse gases is vital for C1 chemistry, energy, and climate change mitigation.
  • Gas molecules serve as building blocks for polymer assemblies, enabling sustainable material creation.
  • Dynamic gas bridges offer a novel method for gas conversion and dynamic assembly.

Purpose of the Study:

  • To systematically introduce the formation, properties, and applications of dynamic gas bridges.
  • To discuss the latest advancements in dynamic gas-bridged chemistry.
  • To highlight challenges and future directions in this field.

Main Methods:

  • Review of formation mechanisms and physicochemical properties of dynamic gas bridges.
  • Analysis of research progress in gas-regulated assembled systems.
  • Examination of gas-constructed assembled materials and catalytic applications.

Main Results:

  • Dynamic gas bridges facilitate the conversion of gases into functional polymer assemblies.
  • Novel assembled materials can be constructed using dynamic gas bridge chemistry.
  • Green and efficient catalytic processes are enabled by this approach.

Conclusions:

  • Dynamic gas bridge chemistry presents a promising strategy for sustainable gas utilization.
  • Further research is needed to address challenges and explore future directions in assembled materials.
  • This field holds significant potential for advancing C1 chemistry and creating value-added products from gases.