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Catalysis

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.

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Related Experiment Video

Updated: Dec 29, 2025

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

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A Metal-Organic-Framework-Derived (Zn_0.95Cu_0.05)_0.6Cd_0.4S Solid Solution as Efficient Photocatalyst for Hydrogen

Jing Liu¹, Jianrui Feng¹, Lele Lu¹

¹Key Laboratory of Advanced Energy Materials Chemistry (MOE), College of Chemistry, Nankai University, Tianjin 300071, China.

ACS Applied Materials & Interfaces

|February 6, 2020

Summary

Researchers developed a novel metal-organic framework (MOF)-templated method to create efficient (Zn,Cu)CdS solid solutions for photocatalytic water splitting, significantly boosting hydrogen production.

Keywords:

DFT calculation hydrogen evolution reaction metal−organic framework photocatalyst solid solution

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Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

Area of Science:

Materials Science
Photocatalysis
Renewable Energy

Background:

Solar-driven photocatalytic water splitting is a key strategy for sustainable hydrogen production.
Developing highly efficient and stable photocatalysts remains a significant challenge.
Metal-organic frameworks (MOFs) offer tunable platforms for catalyst synthesis.

Purpose of the Study:

To design a facile MOF-templated synthesis for novel (Zn,Cu)CdS solid solutions.
To enhance light absorption and charge separation in photocatalysts.
To achieve high-performance photocatalytic hydrogen evolution from water splitting.

Main Methods:

Synthesis of solid solutions of (Zn0.95Cu0.05)1-xCdxS using a MOF-templated strategy.
Fine-tuning photocatalyst composition by adjusting metal doping concentrations in MOFs.
Evaluation of photocatalytic hydrogen evolution rates under visible light (λ > 420 nm).

Main Results:

The synthesized (Zn0.95Cu0.05)1-xCdxS solid solutions demonstrated outstanding photocatalytic activity.
Optimized nanocatalyst (Zn0.95Cu0.05)0.6Cd0.4S achieved a hydrogen evolution rate of 4150.1 μmol g⁻¹ h⁻¹.
Enhanced light harvesting and improved photogenerated charge separation were observed.

Conclusions:

The MOF-templated approach is effective for creating advanced photocatalysts.
Compositional tuning of (Zn,Cu)CdS solid solutions significantly enhances water splitting performance.
The developed nanocatalyst shows high efficiency and durability for solar hydrogen production.