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

Heterogeneous Catalysis01:22

Heterogeneous Catalysis

Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...

You might also read

Related Articles

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

Sort by
Same author

Deep Learning Network-Tailored Microenvironment Matching of 4D Bioprinting Bioactive Scaffolds for Bone Regeneration.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

A Unified Framework for Co-optimizing Activity, Selectivity, and Stability in Single-Atom Alloy Catalysts for CO<sub>2</sub> Electroreduction.

The journal of physical chemistry letters·2026
Same author

Longitudinal single-cell and TCR repertoire profiling characterizes clonal entrapment in patients with pMMR/MSS locally advanced rectal cancer.

Cell discovery·2026
Same author

Study on the multi-source response characteristics and damage evolution mechanisms of graphene-modified concrete.

Scientific reports·2026
Same author

An open-label, two-cohort, phase 1a/b study of weekly irinotecan hydrochloride liposome injection combined with vincristine and temozolomide (NALIRI-VT) in patients with advanced Ewing sarcoma.

European journal of cancer (Oxford, England : 1990)·2026
Same author

A High-Performance Rh-TMP-COF Photocatalyst for CO<sub>2</sub>-to-CO Conversion with H<sub>2</sub>O Vapor: From Descriptor Prediction to Experimental Validation.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: Jun 23, 2026

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

Microdroplets Boosted Photocatalytic H2O2 Production Over Covalent Organic Frameworks via Tri-Phase Interface

Yuchun Xu1, Wanying Xie1, Ning Sun1

  • 1School of Chemistry and Chemical Engineering, Institute of Frontier Chemistry, Shandong University, Qingdao, Shandong, China.

Angewandte Chemie (International Ed. in English)
|June 22, 2026
PubMed
Summary

This study introduces microdroplets for enhanced photocatalytic hydrogen peroxide production. This novel approach significantly boosts hydrogen peroxide yield by improving oxygen mass transfer and active site accessibility.

Keywords:
covalent organic frameworksoxygen adsorptionphotocatalytic hydrogen peroxide productiontri‐phase interface in microdroplets

More Related Videos

Synthesis and Performance Evaluations of ZnCoS/ZnCdS with Twin Crystal Structure for Multifunctional Redox Photocatalysis in Energy Applications
09:22

Synthesis and Performance Evaluations of ZnCoS/ZnCdS with Twin Crystal Structure for Multifunctional Redox Photocatalysis in Energy Applications

Published on: July 25, 2025

Related Experiment Videos

Last Updated: Jun 23, 2026

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

Synthesis and Performance Evaluations of ZnCoS/ZnCdS with Twin Crystal Structure for Multifunctional Redox Photocatalysis in Energy Applications
09:22

Synthesis and Performance Evaluations of ZnCoS/ZnCdS with Twin Crystal Structure for Multifunctional Redox Photocatalysis in Energy Applications

Published on: July 25, 2025

Area of Science:

  • Green chemistry and sustainable energy conversion.
  • Photocatalysis and advanced materials.
  • Nanotechnology and surface chemistry.

Background:

  • Conventional bulk liquid systems for photocatalytic hydrogen peroxide (H₂O₂) production face challenges with mass transfer and active site accessibility.
  • Efficient solar energy conversion requires overcoming limitations in traditional reaction setups.
  • Covalent organic frameworks (COFs) show promise as photocatalysts but require optimized reaction environments.

Purpose of the Study:

  • To enhance photocatalytic H₂O₂ production efficiency using a microdroplet system.
  • To investigate the role of droplet size and gas-liquid-solid interfaces in catalytic H₂O₂ generation.
  • To explore the potential of a COF-based microdroplet system for solar energy conversion and pollutant degradation.

Main Methods:

  • Utilizing a covalent organic framework (DS-OH-COF) as a photocatalyst in a microdroplet system.
  • Investigating the effect of sessile water microdroplet size on H₂O₂ yield under varying atmospheric conditions (air and O₂).
  • Employing density functional theory (DFT) calculations to understand O₂ adsorption and reaction mechanisms at the tri-phase interface.

Main Results:

  • A significant enhancement in H₂O₂ production rate was achieved using microdroplets compared to bulk systems, with a 12.3-fold increase observed.
  • H₂O₂ yield reached 11.11 mmol g⁻¹ h⁻¹ at 1 µL under air and 14.79 mmol g⁻¹ h⁻¹ under O₂, outperforming most reported photocatalysts.
  • The microdroplet system demonstrated efficient methyl orange degradation, indicating practical applicability.
  • DFT calculations confirmed the crucial role of the gas-liquid-solid tri-phase interface and substrate-modulated O₂ adsorption in the enhanced catalytic activity.

Conclusions:

  • Introducing sessile water microdroplets with a COF photocatalyst effectively overcomes mass transfer limitations in H₂O₂ production.
  • The gas-liquid-solid tri-phase interface is vital for efficient O₂ reduction and H₂O₂ generation.
  • This microdroplet-based strategy offers a promising new pathway for efficient solar-driven H₂O₂ synthesis and other catalytic applications.