九溴合二铋酸铯

九溴合二铋酸铯
识别
CAS号 2270200-10-5  checkY
性质
化学式 Bi2Br9Cs3
摩尔质量 1535.81 g·mol−1
外观 黄色晶体
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

九溴合二铋酸铯是一种无机化合物，化学式为Cs3Bi2Br9。它是由铯、铋和溴形成的一种配位化合物。[1]它在常温下呈三方晶系（P3m1），在96 K以下则相变为单斜晶系（C12/c1）。[2]

制备

传统上，它可以由适量的溴化铯和氢氧化铋或氧化铋的氢溴酸溶液合成，[3]而晶体通过冷却热的饱和溶液形成。[4]溴化铯和溴化铋在二甲基甲酰胺反应，然后蒸发溶剂也可以获得这个化合物。[5]以油酸铯和溴化铋作为前体，它的纳米晶体可以在170 ℃的1-十八烯中合成。[6]

参考文献

  1. ^ Tran, Minh N.; Cleveland, Iver J.; Aydil, Eray S. Physical vapor deposition of the halide perovskite CsBi2Br7. Journal of Vacuum Science & Technology A. January 2021, 39 (1): 013409. ISSN 0734-2101. doi:10.1116/6.0000604. eISSN 1520-8559. 
  2. ^ Tran, Minh N.; Cleveland, Iver J.; Aydil, Eray S. Resolving the discrepancies in the reported optical absorption of low-dimensional non-toxic perovskites, Cs3Bi2Br9 and Cs3BiBr6. Journal of Materials Chemistry C. 2020, 8 (30): 10456–10463. ISSN 2050-7526. doi:10.1039/d0tc02783a. eISSN 2050-7534. 
  3. ^ Terao, Hiromitsu; Ishihara, Hideta; Okuda, Tsutomu; Yamada, Koji; Weiss, Alarich. Phase Transition in Cesium Enneabromodibismuthate(III), Cs3Bi2Br9; an 81Br and 209Bi NQR Study. Zeitschrift für Naturforschung A. 1 December 1992, 47 (12): 1259–1261. ISSN 0932-0784. doi:10.1515/zna-1992-1217. eISSN 1865-7109. 
  4. ^ Timmermans, C. W. M.; Blasse, G. On the Luminescence of Cs3Bi2Br9 Single Crystals. physica status solidi (b). 1 August 1981, 106 (2): 647–655. ISSN 0370-1972. doi:10.1002/pssb.2221060230. eISSN 1521-3951 （德语）. 
  5. ^ Romani, Lidia; Speltini, Andrea; Dibenedetto, Carlo Nazareno; Listorti, Andrea; Ambrosio, Francesco; Mosconi, Edoardo; Simbula, Angelica; Saba, Michele; Profumo, Antonella; Quadrelli, Paolo; De Angelis, Filippo; Malavasi, Lorenzo. Experimental Strategy and Mechanistic View to Boost the Photocatalytic Activity of Cs3Bi2Br9 Lead-Free Perovskite Derivative by g-C3N4 Composite Engineering. Advanced Functional Materials. 6 September 2021, 31 (46): 2104428. ISSN 1616-301X. doi:10.1002/adfm.202104428. eISSN 1616-3028. 
  6. ^ Ghosh, Sirshendu; Mukhopadhyay, SankhaSubhra; Paul, Sumana; Pradhan, Bapi; De, Subodh Kumar. Control Synthesis and Alloying of Ambient Stable Pb-Free Cs3Bi2Br9(1–x)I9x (0 ≤ x ≤ 1) Perovskite Nanocrystals for Photodetector Application. ACS Applied Nano Materials. 15 October 2020, 3 (11): 11107–11117. ISSN 2574-0970. doi:10.1021/acsanm.0c02288. eISSN 2574-0970.