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Alcohols from Carbonyl Compounds: Reduction

Alcohols from Carbonyl Compounds: Reduction

Reduction is a simple strategy to convert a carbonyl group to a hydroxyl group. The three major pathways to reduce carbonyls to alcohols are catalytic hydrogenation, hydride reduction, and borane reduction.
Catalytic hydrogenation is similar to the reduction of an alkene or alkyne by adding H2 across the pi bond in the presence of transition metal catalysts like Raney Ni, Pd–C, Pt, or Ru. Aldehydes and ketones can be reduced by this method, often under mild to moderate heat (25–100°C) and...

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Updated: Sep 28, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

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Published on: July 11, 2025

Precise CO₂ Reduction for Bilayer Graphene.

Peng Gong¹, Can Tang¹, Boran Wang²

¹Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, P. R. China.

ACS Central Science

|March 31, 2022

Summary

This summary is machine-generated.

Researchers converted carbon dioxide (CO2) into high-quality bilayer graphene (BLG) single crystals using a novel chemical vapor deposition method. This breakthrough offers a new pathway for CO2 utilization and advanced material synthesis.

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Area of Science:

Materials Science
Chemical Engineering
Nanotechnology

Background:

Converting carbon dioxide (CO2) into valuable products is crucial for sustainability.
Bilayer graphene (BLG) shows potential for advanced electronic devices due to its tunable properties.
Existing methods for CO2 reduction and BLG synthesis face challenges with selectivity and growth control.

Purpose of the Study:

To develop a novel method for synthesizing high-quality bilayer graphene (BLG) single crystals from CO2.
To investigate the role of CO2 as both a carbon source and etchant in BLG formation.
To achieve a high growth rate and high-quality BLG suitable for electronic applications.

Main Methods:

Utilized a chemical vapor deposition (CVD) technique.
Precisely controlled the growth window for BLG formation.
Employed CO2 as a reactant gas.

Main Results:

Successfully synthesized high-quality BLG single crystals with a room temperature mobility of 2346 cm2 V-1 s-1.
Demonstrated that CO2 acts as both the carbon source and oxygen etchant.
Achieved a record growth rate of 300 μm h-1 for BLG.

Conclusions:

The developed CVD method provides an efficient pathway for CO2 conversion into high-value BLG.
CO2 can be effectively utilized as a precursor for high-performance graphene synthesis.
This approach opens new avenues for sustainable materials development and CO2 utilization.