Dr Nimai Mishra analyzes approaches to stabilize photoluminescent nanocrystals

Dr Nimai Mishra, Assistant Professor, Department of Chemistry, SRM University-AP, Andhra Pradesh, along with his research group comprising of students pursuing PhD under him, Ms. V.G.Vasavi Dutt and Mr. Syed Akhil, have published a comprehensive mini review titled “Surface Passivation Strategies for Improving Photoluminescence and Stability of Cesium Lead Halide Perovskite Nanocrystals” in the Journal “ChemNanoMat” (Wiley-VCH) with an Impact Factor of 3.4.

Cesium lead halide (CsPbX 3) perovskite nanocrystals (NCs) is emerging as an intriguing subject for the optoelectronics for its excellent optical properties and exceptional colour tunability. However, applicability of the materials become a major challenge due to their degenerative property. Consequently, researchers focus on developing various approaches to enhance the photoluminescence properties and stability of CsPbX 3 perovskite NCs. In the paper, Dr Mishras’s group reviews some of the promising approaches such as post‐synthetic modification, ligand exchange, and insitu addition.

Further, the strategies summarized in this paper will enable the production of high-quality nanocrystals having the potential to be used as active material in LED devices. In the future, Dr Mishra and his group plans on utilizing some of these surface passivation techniques to develop prototype LED devices using high quality nanocrystals.

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