Issue 6, 2025

Air-stable double halide perovskite Cs2CuBiBr6: synthesis and memristor application

Abstract

The excellent optical and electronic properties of halide perovskite materials have attracted researchers to investigate this particular field. However, the instability in ambient conditions and toxicity of materials like lead have given some setbacks to commercial use. To overcome these issues, perovskite-inspired materials with less toxic and excellent air-stable materials are being studied. Double perovskite materials are one of the perovskite materials. In this study, we have synthesized air-stable double perovskite Cs2CuBiBr6 using a solution process approach. The characterization of the material revealed that it has excellent crystallinity and high stability. The material shows excellent optical and electronic properties. It can be used in resistive memory devices. It shows stable current–voltage characteristics and analog switching. The ion migration through the active layer and accumulation of charge near the electrode region are the reasons behind the resistive switching.

Graphical abstract: Air-stable double halide perovskite Cs2CuBiBr6: synthesis and memristor application

Supplementary files

Article information

Article type
Paper
Submitted
09 Dec 2024
Accepted
12 Jan 2025
First published
13 Jan 2025

Phys. Chem. Chem. Phys., 2025,27, 3150-3159

Air-stable double halide perovskite Cs2CuBiBr6: synthesis and memristor application

A. Betal, A. Chetia, D. Saikia, K. Karmakar, G. Bera, N. V. Dambhare, A. K. Rath and S. Sahu, Phys. Chem. Chem. Phys., 2025, 27, 3150 DOI: 10.1039/D4CP04639K

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