Multiple-polarization-sensitive photodetector based on a perovskite metasurface

Abstract

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.

Improving Photoelectric Conversion with Broadband Perovskite Metasurface

“…Moreover, compared with these photodetectors with high responsivity based on perovskite thin films, , the photodetector based on perovskite metasurface in our work has a long distance between the gold electrodes due to the existence of metasurface, which affects the transmission of photoinduced carriers, resulting in reduced responsivity. This effect has also been reported previously in polarization detectors based on perovskite metasurfaces . (iv) The response time is shorter than 5.1 μs at three different wavelengths, which corresponds to a 3 dB bandwidth higher than 0.26 MHz.…”

“…This effect has also been reported previously in polarization detectors based on perovskite metasurfaces. 32 (iv) The response time is shorter than 5.1 μs at three different wavelengths, which corresponds to a 3 dB bandwidth higher than 0.26 MHz. Such response time is shorter than those of the detectors 37−45 in Table 1.…”

“…30 A few studies have also focused on photoelectric conversion and polarized light detection using perovskite metasurfaces. 31,32 Photoelectric devices based on perovskite metasurfaces are expected to improve the absorption of the active layers and the optoelectronic performance of devices. Such advances have rarely been reported, especially in practical optoelectronic applications such as light communication.…”

“…HOIP-based metasurfaces have been used to explore novel optical properties and realize various optoelectronic applications, such as resonantly enhanced absorption and fluorescence, − light-matter interaction, − high-resolution color, , and dynamic nanoprinting . A few studies have also focused on photoelectric conversion and polarized light detection using perovskite metasurfaces. , Photoelectric devices based on perovskite metasurfaces are expected to improve the absorption of the active layers and the optoelectronic performance of devices. Such advances have rarely been reported, especially in practical optoelectronic applications such as light communication.…”

Recent Progress of Polarization‐Sensitive Perovskite Photodetectors

“…In 2022, Li et al demonstrated a multi‐polarized photodetector based on HOIP with hypersurface, which is sensitive to CPL. [ 138 ] Figure a shows a schematic diagram of the HOIP metasurface. The metasurface is composed of a periodic array of L‐shaped HOIP nano antennas located on the top of the HOIP film.…”