Recent Advances in All-Inorganic Zero-Dimensional Metal Halides

Area of Science:

• Materials Science
• Solid-State Chemistry
• Photophysics

Background:

• All-inorganic zero-dimensional (0D) metal halides feature isolated metal halide polyhedrons.
• Their structure results in molecule-like electronic configurations and attractive optical properties.
• Compared to 3D counterparts, 0D metal halides show broadband emission and enhanced stability.

Purpose of the Study:

• To review recent advancements in 0D metal halides.
• To cover crystal preparation, luminescence modulation, and emerging applications.
• To emphasize the structural designability and spectral tunability of 0D metal halides.

Main Methods:

• Crystal synthesis and characterization.
• Photoluminescence spectroscopy for optical property analysis.
• Doping strategies for spectral tuning.

Main Results:

• 0D metal halides exhibit unique broadband emission and long-term stability.
• Diverse metal ions can be incorporated, enabling structural designability.
• High-level impurity doping allows for significant spectral tunability.

Conclusions:

• 0D metal halides possess significant potential due to their tunable optical properties and stability.
• Advances in preparation and doping are expanding their application scope.
• Further research into 0D metal halides promises novel optoelectronic devices.