Cationic inorganic materials for anionic pollutant trapping and catalysis.

Area of Science:

• Materials Science
• Inorganic Chemistry

Background:

• Most synthetic and natural inorganic materials are neutral or anionic.
• Cationic inorganic materials are less common but possess unique properties.

Purpose of the Study:

• To review the current knowledge of positively charged inorganic host materials.
• To introduce novel cationic inorganic oxides and fluorides.
• To discuss potential applications of these materials.

Main Methods:

• Literature review of existing cationic inorganic materials.
• Description of newly synthesized cationic oxides and fluorides of heavy p-block metals.
• Brief overview of organic-based cationic materials.

Main Results:

• Layered double hydroxides are the most recognized cationic inorganic materials.
• New cationic oxides and fluorides of heavy p-block metals have been developed.
• Organic-based cationic materials offer alternative positively charged systems.

Conclusions:

• Cationic inorganic materials, including novel oxides and fluorides, offer significant potential.
• These materials are promising for applications such as pollutant trapping, catalysis, and drug delivery.
• Further research into cationic inorganic materials will expand their utility.