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

The Evidence for Evolution02:55

The Evidence for Evolution

47.7K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.7K
Convergent Evolution01:54

Convergent Evolution

31.4K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
31.4K
Eukaryotic Evolution01:24

Eukaryotic Evolution

40.3K
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
40.3K
Synteny and Evolution02:31

Synteny and Evolution

3.8K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.8K
Organic Compounds03:02

Organic Compounds

56.6K
All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and synthetic compounds that contain carbon. Although a single, precise definition has yet to be identified by the chemistry community, most agree that a defining trait of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms. However, some carbon-containing compounds such as carbonates, cyanides, and...
56.6K
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

9.0K
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
9.0K

You might also read

Related Articles

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

Sort by
Same author

A novel c.586dup frameshift variant in A4GALT associated with the p phenotype in a Chinese blood donor.

Transfusion·2026
Same author

Overcoming the Viscosity-Strength Trade-Off in 3D-Printable Dental Resins by Hydrogen Bond Engineering.

Current medical science·2026
Same author

Systematic establishment of approaches to the detection of equine macrophage polarization and their application in pathogenic infection.

Microbiology spectrum·2026
Same author

Single-Molecule Memristor Realizing Synaptic Plasticity for Neuromorphic Applications.

Angewandte Chemie (International ed. in English)·2026
Same author

Microfluidic capture and spatiotemporal analysis: Chemical mechanisms of tumor exosome-mediated malignant cell transformation.

Biosensors & bioelectronics·2026
Same author

Tuning of single-molecule conductance <i>via</i> regioisomerism and desilylation in (η<sup>5</sup>-Cp)Co(η<sup>4</sup>-Cb) complexes.

Chemical communications (Cambridge, England)·2026

Related Experiment Video

Updated: Jan 21, 2026

Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs
08:25

Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs

Published on: January 17, 2020

7.7K

Fe/Ni bimetal organic framework as efficient oxygen evolution catalyst with low overpotential.

Fuqin Zheng1, Ziwei Zhang2, Dong Xiang3

  • 1State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Journal of Colloid and Interface Science
|August 13, 2019
PubMed
Summary

Researchers developed novel iron/nickel bimetallic metal-organic frameworks (Fe/Ni-MOFs) for efficient electrochemical oxygen evolution reaction (OER) catalysis. These Fe/Ni-MOFs demonstrate excellent activity and stability, offering a promising low-cost alternative to noble metal catalysts for hydrogen production.

Keywords:
BimetalCatalystElectrocatalysisMetal-organic frameworkOxygen evolution reactionWater splitting

More Related Videos

Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

49.1K
Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites
06:48

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites

Published on: June 14, 2024

2.6K

Related Experiment Videos

Last Updated: Jan 21, 2026

Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs
08:25

Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs

Published on: January 17, 2020

7.7K
Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

49.1K
Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites
06:48

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites

Published on: June 14, 2024

2.6K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • Electrochemical water-splitting is a key technology for sustainable hydrogen (H2) production.
  • Noble metal electrocatalysts for oxygen evolution reaction (OER) are expensive and unstable.
  • Bimetallic nanostructured materials show promise for enhanced OER catalytic performance.

Purpose of the Study:

  • To synthesize and characterize bimetallic metal-organic frameworks (Fe/Ni-MOFs) as efficient electrocatalysts for OER.
  • To investigate the OER catalytic activity, kinetics, and stability of the prepared Fe/Ni-MOFs.
  • To explore the role of Fe doping in enhancing the performance of Ni-MOFs for OER.

Main Methods:

  • A series of Fe/Ni-MOFs were synthesized using a solvothermal method.
  • Electrochemical characterization techniques were employed to evaluate OER performance, including overpotential and Tafel slope measurements.
  • Electrochemical stability was assessed through long-term operation and cyclic voltammetry.

Main Results:

  • The optimized Fe/Ni-MOF exhibited low overpotentials of 236 mV at 10 mA/cm2 and 284 mV at 100 mA/cm2 for OER.
  • The catalyst demonstrated a low Tafel slope of 49 mV dec-1, indicating efficient OER kinetics.
  • The Fe/Ni-MOF catalyst showed high electrochemical stability, with negligible activity change after 15 h of operation and 10,000 cycles.

Conclusions:

  • Fe/Ni-MOFs are effective electrocatalysts for OER, offering superior performance compared to monometallic Ni-MOF.
  • The enhanced catalytic activity and conductivity of Fe-doped Ni-MOFs are attributed to the synergistic effects of bimetallic composition.
  • This study highlights the potential of bi- and multi-metallic MOFs as advanced electrocatalysts for electrochemical energy conversion applications.