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4 (PEA)₂PbI₄光电探测器在450 nm不同光强照射下(a) I-V曲线和(b) I-t曲线, (c)在450 nm光照下光电流与光强的拟合直线, (d)在不同光强下的响应度和探测率, (e)响应时间和(f)在不同测试频率下的噪声电流

Fig. 4 (a) I-V and (b) I-t curves illuminated at 450 nm with different light intensities, (c) fitted line of photocurrent vs. light intensity illuminated at 450 nm, (d) responsivities and detectivities at different light intensities, (e) response time and (f) noise currents tested at different frequencies for (PEA)₂PbI₄ photodetector
Colorful figures are available on website