九溴合二铋酸铯

九溴合二铋酸铯
识别
CAS号	2270200-10-5
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

^ 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.
^ 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.
^ 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.
^ 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）.
^ 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.
^ Ghosh, Sirshendu; Mukhopadhyay, SankhaSubhra; Paul, Sumana; Pradhan, Bapi; De, Subodh Kumar. Control Synthesis and Alloying of Ambient Stable Pb-Free Cs₃Bi₂Br_9(1–x)I_9x (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.

[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 Cs₃Bi₂Br_9(1–x)I_9x (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.

[1]

[2]

[3]

[4]

[5]

[6]