Multiple-polarization-sensitive photodetector based on a perovskite metasurface.
Multiple-polarization-sensitive photodetector based on a perovskite metasurface.
复制标题
DOI：
10.1364/ol.441505
复制
发表时间：
2021-12
期刊：
影响因子：
3.6
通讯作者：
Cheng-Yao Li;Chao-Wei Chen;Yu Liu;Jing Su;D. Qi;Jie He;Renhao Fan;Qing Cai;Qingxuan Li;R. Peng;Xianrong Huang;Mu Wang
中科院分区：
文献类型：
--
作者：
Cheng-Yao Li;Chao-Wei Chen;Yu Liu;Jing Su;D. Qi;Jie He;Renhao Fan;Qing Cai;Qingxuan Li;R. Peng;Xianrong Huang;Mu Wang
大多数偏振敏感光电探测器检测线偏振 (LP) 或圆偏振 (CP) 光。在这里，我们实验性地展示了一种基于混合有机-无机钙钛矿（HOIP）超表面的多偏振光电探测器，它对LP和CP光同时敏感。钙钛矿超表面由单晶 HOIP 薄膜上的 HOIP 天线阵列组成。由于天线的各向异性，超表面对线偏振光的吸收取决于偏振角；此外，由于天线元件的镜面不对称性，超表面对不同的圆极化也很敏感。检测对 LP 和 CP 光的偏振相关光电流响应。我们的结果凸显了钙钛矿超表面在集成光电应用中的潜力。
Most polarization-sensitive photodetectors detect either linearly polarized (LP) or circularly polarized (CP) light. Here, we experimentally demonstrate a multiple-polarization photodetector based on a hybrid organic-inorganic perovskite (HOIP) metasurface, which is sensitive to both LP and CP light simultaneously. The perovskite metasurface is composed of a HOIP antenna array on a single-crystal HOIP film. Owing to the antenna anisotropy, the absorption of linearly polarized light at the metasurface depends on the polarization angle; also, due to the mirror asymmetry of the antenna elements, the metasurface is also sensitive to different circular polarizations. Polarization-dependent photocurrent responses to both LP and CP light are detected. Our results highlight the potential of perovskite metasurfaces for integrated photoelectric applications.