Stable Terahertz In Situ Photo-Writable Electrically Erasable Memory with a CsPbI3:Ag/SnO2/PEDOT:PSS Hybrid Structure
Source abstract
Abstract
A stable terahertz (THz) photo-writable electrical-erasable memory from a CsPbI3:Ag (Ag-nanoparticle-added CsPbI3)/SnO2/PEDOT:PSS hybrid sample was investigated. A significant THz modulation depth of CsPbI3:Ag/PEDOT:PSS was obtained with low optical excitation intensity. After the insertion of a SnO2 film between CsPbI3 and PEDOT:PSS, a 34% THz modulation depth was reached under optical excitation, and the recovery time of modulated THz transmission was considerably prolonged on removal of laser excitation. On applying a bias voltage to the CsPbI3:Ag/SnO2/PEDOT:PSS structure, THz transmission was quickly returned. THz transmissions were applied to be coded pixel units and were programmed to store the image signal. Based on this, a stable photo-memory functionality was accomplished with the CsPbI3:Ag/SnO2/PEDOT:PSS composite sample using a method for in situ electrical-erasing information stored in both the spectrum and image.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Terahertz technology and applications · Perovskite Materials and Applications · Optical and Acousto-Optic Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing Key Laboratory of Metamaterials and Devices, Advanced Innovation Center for Imaging Technology, Department of Physics, Capital Normal University, Beijing 100048, China
Institution of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University, Beijing 100044, China
Funding
Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China · High-level Teachers in Beijing Municipal Universities in the Period of 13th Five?year Plan
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