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説明:

Organic–inorganic hybrid halide perovskites have been explored extensively for optoelectronic functional materials. Here, we report (110)p-oriented layered halide perovskite thin films with nominal compositions of FA4Pb2(BrxI1−x)7.5(SCN)0.5 (x = 0, 0.25, 0.5, 0.75, and 1). X-ray diffraction measurements and UV-visible diffuse reflectance measurements demonstrate the successful formation of a solid solution between iodide and bromide. The band gap gradually changes from 2.18 eV to 2.81 eV with increasing Br content, and PL emission of 750 nm was observed for the x = 0 film. We also report a single crystal sample of x = 1.

権利情報:

• In Copyright
  

キーワード: Perovskite, Organic-inorganic hybrid halides, Layered perovskite, Spin-coating, Thin film, Bandgap tuning

刊行年月日: 2025-11-03

出版者: Royal Society of Chemistry (RSC)

掲載誌:

• Dalton Transactions (ISSN: 14779226) vol. 54 issue. 45 p. 16876-16881

研究助成金:

• Japan Society for the Promotion of Science JP22H05147
• Japan Society for the Promotion of Science JP23H04617
• Japan Society for the Promotion of Science JP22J20672

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5930

公開URL: https://doi.org/10.1039/d5dt02441b

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更新時刻: 2026-04-30 12:01:11 +0900

MDRでの公開時刻: 2026-11-03 08:28:37 +0900