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Related Experiment Video

Updated: Jun 28, 2026

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light

CO₂ Photoreduction to CH₄ Performance Under Concentrating Solar Light

Published on: June 12, 2019

Solar-CO₂ -to-Syngas Conversion Enabled by Precise Charge Transport Modulation.

Qiao-Ling Mo¹, Shu-Ran Xu¹, Jia-Le Li¹

¹College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian Province, 350108, China.

Small (Weinheim an Der Bergstrasse, Germany)

|May 14, 2023

Summary

This study presents a new method for creating efficient photocatalysts for converting carbon dioxide (CO2) to syngas. The novel heterostructure enhances charge transfer, boosting solar-to-fuel energy conversion.

Keywords:

charge transfer in situ growth of metal nanocrystals non-conjugated polymers photocatalytic CO2 reduction transition metal chalcogenides

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Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Solar-Driven Electrochemical Green Fuel Production from CO₂ and Water Using Ti₃C₂T_x MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Area of Science:

Materials Science
Catalysis
Renewable Energy

Background:

Efficient photocatalytic CO2 reduction is crucial for sustainable energy solutions.
Precisely controlling charge transfer in photocatalysts remains a significant challenge.

Purpose of the Study:

To develop a novel photocatalyst for enhanced CO2 to syngas conversion.
To investigate the role of interfacial charge transfer in photocatalysis.

Main Methods:

A one-pot self-assembly method was used to create a heterostructure of transition metal chalcogenides (TMCs), branched polyethylenimine (bPEI), and Palladium nanocrystals (Pd NYs).
The photocatalytic activity was tested for CO2 photoreduction to syngas under visible light irradiation.
In situ probing of intermediates during the reaction was performed.

Main Results:

The developed TMCs@bPEI@Pd heterostructure exhibited significantly boosted photoactivity for CO2-to-syngas conversion.
bPEI acted as a hole transfer mediator, and Pd NYs served as electron-withdrawing modulators, facilitating spatially vectorial charge separation.
The study provided insights into the in situ intermediates formed during the CO2 photoreduction process.

Conclusions:

The study demonstrates a facile method for constructing multi-component heterojunction photosystems.
The designed photosystem offers a promising paradigm for efficient solar-to-fuel energy conversion through CO2 photoreduction.