非铅基钙钛矿 Cs3Bi2xSb2–2xI9 (x = 0.1, 0.3, 0.5, 0.7, 0.9)通常通过共沉淀方法合成,并且在HI溶液中进行光催化制氢反应。与铅基钙钛矿(CH3NH3)PbI3材料相比,Cs3Bi2xSb2–2xI9在空气氛围中的标准太阳能中有更高的光催化性能。山东大学王朋等报道了Pt修饰的Cs3Bi0.6Sb1.4I9 材料,产氢性能达到92.6 μmol h-1,远远高于(CH3NH3)PbI3基性能(4 μmol h-1)。
参考文献
Guoqiang Chen, Peng Wang*, Yaqiang Wu, Qianqian Zhang, Qian Wu, Zeyan Wang, Zhaoke Zheng, Yuanyuan Liu, Ying Dai, Baibiao Huang
Lead‐Free Halide Perovskite Cs3Bi2xSb2–2xI9 (x≈ 0.3) Possessing the Photocatalytic Activity for Hydrogen Evolution Comparable to that of (CH3NH3)PbI3, Adv. Mater. 2020
DOI: 10.1002/adma.202001344