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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...

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Updated: May 1, 2026

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles

Published on: April 10, 2019

Strategy for nano-catalysis in a fixed-bed system.

Jiating He¹, Weijie Ji, Lin Yao

¹Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore.

Advanced Materials (Deerfield Beach, Fla.)

|April 11, 2014

Summary

This summary is machine-generated.

Researchers developed a novel nano-catalyst using gold (Au) nanowires on glass fibers. This innovation significantly enhances continuous-flow catalysis efficiency, achieving processing rates 100x higher than previous methods.

Keywords:

continuous-flow catalysis fixed bed nano-catalyst nanowire forest

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Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

Area of Science:

Materials Science
Chemical Engineering
Nanotechnology

Background:

Industrial catalysis often faces limitations in nano-catalyst loading and flow rate.
Efficient catalyst support structures are crucial for optimizing reaction speeds and throughput.

Purpose of the Study:

To overcome the bottlenecks of low loading and slow flow rates in nano-catalyst applications.
To develop a novel catalyst structure enabling high-throughput continuous-flow catalysis.

Main Methods:

Growing a dense forest of gold (Au) nanowires on a porous network of glass fibers.
Utilizing the nanowire-coated glass fiber network as a support for continuous-flow catalytic reactions.

Main Results:

Achieved significantly higher catalyst loading per unit area compared to conventional supports.
Demonstrated a continuous-flow processing rate approximately 100 times greater than the best reported literature rates.
The unique structure facilitated efficient mass transport and catalyst utilization.

Conclusions:

The dense Au nanowire forest on glass fibers provides an effective solution for high-throughput catalysis.
This approach overcomes key limitations in current nano-catalyst industrial applications.
The developed material shows great promise for advancing continuous-flow chemical processes.