DataVXNanoscalePaper
journal article·2021

A novel visible light sensing and recording system enabled by integration of photodetector and electrochromic devices

Wenqiang Wu, Mengmeng Zhou, Dong Li, Shengman Li, Zheng Yang, Zhihao Huo, Yanqing Wu, Yongwen Tan, Xun Han, Caofeng Pan, Anlian Pan

Nanoscale· Volume 13· Issue 20
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Source abstract

Abstract

The integration of multiple electronic or optoelectronic devices is an effective strategy to use their unique functions to realize a specific goal. A state-of-the-art photodetector (PD) array can realize real-time image sensing, but the image information will disappear immediately with the removal of the light stimuli. Here, we design a visible light sensing and recording system by the integration of a perovskite PD array with a tungsten trioxide-based electrochromic device (ECD) array (10 × 10 pixels). The system can convert the received visible light signals into electrical signals to change the storable color of the corresponding pixels in the ECD array, thus realizing optical information recording in the form of the color display. As a conceptual demonstration, the system achieves the recording of the "H"-shaped visible light pattern projected to the active area of the PD array. Besides, after removing the illumination stimuli, the recording of the light pattern continues in the absence of the power supply owing to the "color memory effect". The recorded length can be regulated through the periods of illumination stimulation. The proof-of-concept system may have potential applications in image sensors, electronic eyes, and intelligent electronics.
Source: openalex_inverted_index · Quality: candidate unverified · Source record ↗

Research context

Electronic materials

OpenAlex topics: Transition Metal Oxide Nanomaterials · Advanced Memory and Neural Computing · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for Micro-Nano Physics and Technology of Hunan Province

State Key Laboratory of Chemo/Biosensing and Chemometrics

and College of Materials Science and Engineering

Hunan University

Changsha

ARC Research Hub for Computational Particle Technology

Department of Chemical Engineering

Monash University

Clayton

Australia

CAS Center for Excellence in Nanoscience

Beijing Key Laboratory of Micro-nano Energy and Sensor

Beijing Institute of Nanoenergy and Nanosystems

Chinese Academy of Sciences

Beijing 100083

Institute of Microelectronics and Key Laboratory of Microelectronic Devices and Circuits (MOE) and Frontiers Science Center for Nano-optoelectronics

Peking University

Beijing

China

College of Mechatronics and Control Engineering

Shenzhen University

Shenzhen

Funding

National Natural Science Foundation of China · Hunan Provincial Science and Technology Department · Ministry of Science and Technology of the People's Republic of China · Beijing Council of Science and Technology · Natural Science Foundation of Beijing Municipality

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