Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices.
An efficient method to synthesize well-crystallized inorganic cesium lead halide perovskites (CsPbX3
, X = I or Br) with high yield and high reproducibility was proposed. Notably, the as-prepared CsPbI3
in the yellow orthorhombic phase (y-CsPbI3
) can be easily converted to the black cubic perovskite phase CsPbI3
) after thermal annealing. Furthermore, two-terminal photodetectors and all-inorganic perovskite solar cells based on b-CsPbI3
were fabricated, exhibiting high performances.
Liang, J; Wang, C; Zhao, P; Lu, Z; Ma, Y; Xu, Z; Wang, Y; Zhu, H; Hu, Y; Zhu, G; Ma, L; Chen, T; Tie, Z; Liu, J; Jin, Z
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