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Related Concept Videos

Chemiosmosis01:32

Chemiosmosis

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Oxidative phosphorylation is a highly efficient process that generates large amounts of adenosine triphosphate (ATP), the basic unit of energy that drives many cellular processes. Oxidative phosphorylation involves two processes— the electron transport chain and chemiosmosis.
Electron Transport Chain
The electron transport chain involves a series of protein complexes on the inner mitochondrial membrane that undergo a series of redox reactions. At the end of this chain, the electrons...
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Chemiosmosis and ATP Synthesis01:22

Chemiosmosis and ATP Synthesis

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The electron transport chain is a critical component of cellular respiration, occurring in the inner mitochondrial membrane. It facilitates the transfer of high-energy electrons from reduced cofactors NADH and FADH₂ to molecular oxygen, the final electron acceptor. This transfer of electrons through a series of protein complexes is tightly coupled to the translocation of protons across the membrane, generating a proton gradient essential for ATP synthesis.Electron Flow and Proton...
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Energy to Drive Translocation01:37

Energy to Drive Translocation

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Mitochondrial protein import is powered by two distinct energy sources: ATP hydrolysis and electrochemical potential across the inner membrane. Newly synthesized precursors are bound by cytosolic chaperones of the Hsp70 family, which guide them to the import receptors on the mitochondrial surface. Utilizing the energy of ATP hydrolysis, Hsp70 chaperones transfer these precursors to the TOM receptors on the mitochondrial outer membrane.
Generally, polypeptides are unfolded by two distinct...
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Water: A Bronsted-Lowry Acid and Base02:30

Water: A Bronsted-Lowry Acid and Base

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The reaction between a Brønsted-Lowry acid and water is called acid ionization. For example, when hydrogen fluoride dissolves in water and ionizes, protons are transferred from hydrogen fluoride molecules to water molecules, yielding hydronium ions and fluoride ions:
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¹H NMR of Labile Protons: Deuterium (²H) Substitution00:48

¹H NMR of Labile Protons: Deuterium (²H) Substitution

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This lesson illustrates the role of deuterium substitution in simplifying the NMR spectrum of compounds comprising labile protons. One method employed is the use of deuterium. Amongst the three isotopes of hydrogen, deuterium (2H) has a nucleus composed of one proton and one neutron. When the D2O solvent is added to a pure dry ethanol solution, its labile proton is substituted with deuterium.
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Introduction to Chemical Bonds01:01

Introduction to Chemical Bonds

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Chemical Bonds
The electrons of the outermost energy level determine the energetic stability of the atom and its tendency to form chemical bonds with other atoms. The innermost electron shell has a maximum capacity of two electrons, but the next two electron shells can each have a maximum of eight electrons. This is known as the octet rule, which states that, with the exception of the innermost shell, atoms are most stable energetically when they have eight electrons in their valence shell, the...
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Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
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Heteroatom Doping Promoting CoP for Driving Water Splitting.

Wenjing Cheng1, Huimin Yang1, Tingjian Wang2

  • 1University and College Key Lab of Natural Product Chemistry and Application in Xinjiang, School of Chemistry and Environmental Science, Yili Normal University, Yining, 835000, China.

Chemical Record (New York, N.Y.)
|April 26, 2023
PubMed
Summary

Heteroatom doping enhances cobalt phosphide (CoP) nanomaterials for overall water splitting electrocatalysis. This review guides the development of improved CoP catalysts by examining doping effects and structure-activity relationships.

Keywords:
CoPElectronic structureHeteroatom dopingWater splitting

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • Cobalt phosphide (CoP) nanomaterials are highly regarded electrocatalysts for overall water splitting due to their bifunctional nature.
  • Improving the electrocatalytic performance of CoP is crucial for bridging the gap between laboratory research and industrial applications.
  • Heteroatom doping presents a promising strategy to enhance CoP's catalytic efficiency.

Purpose of the Study:

  • To provide a comprehensive review of heteroatom-doped CoP electrocatalysts for water splitting.
  • To focus on the specific effects of heteroatom doping on the catalytic performance of CoP.
  • To guide future research and development in this field.

Main Methods:

  • Literature review and analysis of existing studies on heteroatom-doped CoP electrocatalysts.
  • Discussion of various heteroatom-doped CoP materials and their synthesis.
  • Examination of structure-activity relationships in these catalysts.

Main Results:

  • Heteroatom doping significantly improves the electrocatalytic activity of CoP for water splitting.
  • Different heteroatoms and doping strategies yield varying effects on catalytic performance.
  • Structure-property correlations are established, highlighting key factors for enhanced catalysis.

Conclusions:

  • Heteroatom doping is an effective method for optimizing CoP electrocatalysts for water splitting.
  • Understanding structure-activity relationships is key to designing next-generation catalysts.
  • Further research is needed to fully realize the industrial potential of these materials.