Synthesis and Characterization of Organic-Inorganic Layered Perovskite Compounds Using Fullerene Derivatives

Abstract:

Layered perovskite (RNH₃)₂PbI₄ (R = organic cation), which contained the fullerene derivatives, [ethyl-3-tert-butoxycarbonylaminopropyl (1,2-methanofullerene C₆₀)]-61,61-di carboxylate iodide (EAF-I) and di [3-tert-butoxycarbonylaminopropyl (1,2-methanofullerene C₆₀)]- 61,61-dicarboxylate diiodide (DAF-I₂) in the organic layers were fabricated and compared with previously reported perovkite compound containing N-methyl-2-(4-aminophenyl)-fulleropyrrolidine iodide (AmPF-I). Because the solvent solubilities of EAF-I and DAF-I₂ to N,N-dimethylformamide (DMF) were higher than AmPF-I, the film processability of EAF-I and DAF-I₂ was improved compared with AmPF-I. The X-ray diffraction patterns proved the construction of the perovskite structure in (EAF)₂PbI₄ and (AmPF)₂PbI₄ cast films. EAF was well-organized and closer-packing than AmPF in the perovskite structure. For the diamine-type fullerene, DAF-I₂, it is difficult to form layered structure by spin-coated or cast methods. New sharp X-ray diffraction peaks were observed for DAF-I₂ films dipped in PbI₂ solution. The intercalations and formation of perovskite structure of (DAF)PbI₄ were studied.

• Periodical: Advanced Materials Research (Volume 409)
• Pages: 492-496
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.409.492
• Online since: November 2011
• Authors: Ayumi Hamaguchi, Masahiro Yoshizawa-Fujita, Yuko Takeoka, Masahiro Rikukawa
• Keywords: Fullerene Derivatives, Organic-Inorganic Layered Perovskite, Self-Intercalation Methods

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