Two-Dimensional Halide Perovskites for Heavy Metal Ions Sensing
DOI:
https://doi.org/10.48165/bpas.2023.42C.1.8Keywords:
Sensing, Two-dimensional, Metal halide perovskites, UV-Vis spectroscopy, Thin filmsAbstract
This report focuses on the exceptional trait of using perovskite halide sensing method in relation to sensing of heavy metal ions. Metal halide perovskite (MHP), which exhibits excellent sensing properties, is now considered as an efficient sensing material. We first describe the sensing of metal halides perovskites in metal halide. Next, performance improvement strategies focused on tuning of sensing properties for sensing metal ions. A new two-dimensional (2D) lead perovskite, B2An-1PbnX3n+1, exhibits impressive water resistance when in contact with water while retaining the real crystal arrangement and ocular characteristics. B2An-1PbnX3n+1. B2An-1PbnX3n+1 composites were synthesized and investigated for sensing. The results show an impressive increase in concentration in the composite and similar improvements in metal halide. Recent results in providing new watertight perovskite leads to secure, effective, and practical utilization of metal halide perovskite in sensing. In this project, we have synthesized compound B2An-1PbnX3n+1 (S1) and prepared perovskite films using a drop casting method. Then, we have performed sensing studies using heavy metal ions such as Cd2+, Ba2+ & Zn2+ using UV Visible (UV-Vis) spectroscopic techniques. From UV-Vis experiments, we have found that our synthesized receptor has sensed Cd2+ & Zn2+ but the receptor could not sense Ba2+. We have also performed thin film colorimetric sensing experiment. We observed some amount of color changes for Cd2+ & Zn2+ ions. Thus, our synthesized receptor could be promising futuristic material for heavy metal ion sensing.
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