What is it about?
Local engineering of defects and their correction with photoluminescence (PL) in Al-doped ZnO (AZO)/TiO2 heterostructure has attracted lot of attention for fundamental understanding as well as for wide optoelectronic applications. Here we report the temperature-dependent PL of AZO/TiO2 heterostructure that shows a gradual modulation of broad emission near blue-violet region when irradiated by 50 keV Ar+-ions.
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Why is it important?
Our findings give clear information about the nature of defects involved in controlling the blue PL through the evolution of stoichiometry and surface morphology of the heterostructures.
Perspectives
Writing this article was a great pleasure for me as it has co-authors from well-known and reputed institutes across the world and working with them enhanced my research and technical understanding about this field.
Chetan Prakash Saini
Jawaharlal Nehru University
Read the Original
This page is a summary of: Defect engineered blue photoluminescence in ZnO:Al/TiO2 heterostructures, Journal of Applied Physics, August 2022, American Institute of Physics,
DOI: 10.1063/5.0096116.
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