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Extraction: Advanced Methods

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...

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Updated: Aug 20, 2025

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV

Published on: December 29, 2016

Emerging Chalcohalide Materials for Energy Applications.

Uma V Ghorpade^1,2, Mahesh P Suryawanshi², Martin A Green²

¹Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland.

Chemical Reviews

|November 21, 2022

Summary

This summary is machine-generated.

Chalcohalides, semiconductors with mixed anions, offer versatile new functionalities. This review explores their design, properties, synthesis, and applications in energy devices, highlighting future research directions.

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Area of Science:

Materials Science
Solid-State Chemistry
Semiconductor Physics

Background:

Semiconductors with multiple anions represent a novel materials platform with emergent functionalities.
Chalcohalides, semiconductors featuring mixed chalcogen and halogen anions, are gaining attention for their versatility.

Purpose of the Study:

To provide a comprehensive overview of chalcohalide materials, focusing on their development, properties, and applications.
To highlight advancements in computational design, synthesis, and device integration of chalcohalides.

Main Methods:

High-throughput computational techniques for material design and development.
Theoretical and experimental investigations of optoelectronic properties, band structures, stability, and structural chemistry.
Review of recent synthesis advancements and applications in energy conversion and storage.

Main Results:

Emerging chalcohalides based on Bi, Sb, Cu, Sn, Pb, Ag, and hybrid organic-inorganic perovskites are discussed.
Understanding of their optoelectronic properties, band structures, and stability is advancing.
Applications in energy conversion and storage devices are being explored.

Conclusions:

Chalcohalides present significant opportunities for materials science and device applications.
Further research is needed to overcome current impediments and realize their full potential.
Future directions include continued development for practical applications in energy and beyond.