基于二维钙钛矿(PEA)<sub>2</sub>PbI<sub>4</sub>的光电探测器

基于二维钙钛矿(PEA)₂PbI₄的光电探测器

蔡凯, 靳志文

Photodetector Based on Two-dimensional Perovskite (PEA)₂PbI₄

CAI Kai, JIN Zhiwen

图5 (PEA)₂PbI₄薄膜和(PEA)₂PbI₄光电探测器的稳定性

Fig. 5 Stability of the 2D (PEA)₂PbI₄ film and photodetector
(a) XRD patterns and (b) UV-Vis absorption spectra of (PEA)₂PbI₄ films before and after laid in the dark and N₂atomsphere for 1 m; (c) I-t curves of (PEA)₂PbI₄ photodetectors illuminated at 0.5 mW·cm^-2 before and after 30 d; (d) I-t curves of the device under continuous illumination of 1200 s