[9p-N305-1~15] 12.8 Specific theme: Photoelectric Properties, Device Fabrication and Structural Controls of Organic-Inorganic Hybrid Perovskites

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[9p-N305-3] Circularly Polarized Light Detection of Pb(II)/Bi(III)/Te(IV)-based Perovskite Thin Film Device with One-dimensional Helical Structure

〇(M2)Hikari Suzuki¹, Daiki Nakamura¹, Ayumi Ishii¹ (1.Waseda Univ.)

Keywords:

One-dimensional helical structure,Circularly polarized light detection,Halide perovskite

In this study, we aim to detect circularly polarized light (CPL) in the visible region with high sensitivity by utilizing the photoelectromagnetic properties of spin and the breaking of spatial inversion symmetry due to the formation of a one-dimensional (1D) helical structure. We have previously succeeded in directly detecting CPL in the ultraviolet region using a thin-film device with a 1D helical structure composed of organic chiral molecules and lead halides. In this presentation, we report on the unique optical and electrical properties of 1D helical thin film devices fabricated using the heavy atomic ions Pb(II), Bi(III), and Te(IV). By using Bi(III) or Te(IV) instead of Pb(II), we extended the CPL absorption wavelength of the 1D structure to the visible region and successfully detected CPL in the visible region.