Preparation and Characterization of Organic-Inorganic Hybrid Perovskite (C₆H₅CH₂NH₃)₂CuCl₄

Abstract:

An organic–inorganic hybrid perovskite (C₆H₅CH₂NH₃)₂CuCl₄was synthesized successfully by solution method at room temperature and the thin film of (C₆H₅CH₂NH₃)₂CuCl₄ was also prepared by spin-coating on the quartz substrate. The perovskite and the film were characterized with X-ray diffraction (XRD), Scan electronic microscope (SEM), Atomic force microscope (AFM), Fourier transform infrared spectroscopy and Thermo Gravimetric Analyzer. Results show that the obtained perovskite has unique layer structure and good thermal stability with melting point around 243.3°C. And the prepared film appears very smooth, continuous and uniform with a grain size of 0.1μm, highly oriented with the (0 0 l) planes perpendicular to the substrate surface. Its optical photoluminescence spectrum mainly depends on the inorganic part so the bandgap can be tuned by changing the inorganic composition. The carrier mobility is around 0.26cm²V^-1S^-1 , which indicates its potential application in field effect transistor with improved film quality.

• Periodical: Advanced Materials Research (Volumes 311-313)
• Pages: 2146-2150
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.311-313.2146
• Online since: August 2011
• Authors: Long Zou, Han Xing Liu, L.L. Guo, Guo Tao Xu, Gai Feng Xue
• Keywords: Layered, Organic–inorganic, Perovskite

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