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Unveiling Doping Kinetics in Cu(I) Metal Halides for Customized Luminescent Performance
Ning Wan1, Jiahong Chen1, Xinxin Yan2
1School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou Higher Education Mega Center, 230 Wai Huan Xi Road, Guangzhou, Guangdong 510006, People's Republic of China.
This study optimizes manganese (Mn2+) doping in copper (Cu(I)) halides for enhanced optical properties. A tailored synthesis strategy achieves uniform doping, reducing defects and boosting photoluminescence for customized optoelectronics.
Area of Science:
- Materials Science
- Solid-State Chemistry
- Optoelectronics
Background:
- Intentional doping is crucial for tuning the electronic and optical properties of metal halides.
- Controlling dopant incorporation and distribution is key to achieving desired material characteristics.
Purpose of the Study:
- To manipulate the incorporation and distribution of Mn2+ in Cu(I) halides.
- To investigate the impact of doping configurations on localized lattice and electronic structures.
- To develop an effective synthesis strategy for customized optical/optoelectronic properties.
Main Methods:
- Controlled elemental steps in growth-doping kinetics.
- Experimental and theoretical investigations of lattice and electronic structures.
- Step-tailored synthesis strategy involving reduced growth rate, enhanced surface adsorption, and facilitated dopant incorporation.
Main Results:
- Achieved uniform and high Mn2+ doping levels in Cu(I) halides.
- Optimized doping configuration mitigated lattice distortion and reduced non-radiative transition rates.
- Demonstrated explicit dual-band emission and enhanced photoluminescence quantum yield.
Conclusions:
- An effective synthesis strategy was developed to harness the potential of Mn2+-doped metal halides.
- A new paradigm for controlling doping procedures to obtain customized optical/optoelectronic properties was showcased.
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